by Chris Limantour | Mar 11, 2023 | BMW Repair
One of the most common issues in a BMW is an electrical system failure. This can manifest in a number of ways, including dead batteries, malfunctioning power windows, and flickering headlights, and there are a number of reasons why this issue occurs.
In some cases, it’s simply a matter of an aging battery or a loose connection. In other instances, the issue may be related to a faulty alternator or starter. Additionally, electrical system failures can be caused by water damage or corrosion, which can damage electrical components. Let’s take a closer look at the top four culprits of electronic issues in your BMW.
Electrical System Failure
These types of problems have their root causes in the battery and alternator. These work together to both produce and distribute power to things like your starter, headlights, windows, dashboard, and car horn. These problems care pretty obvious and the most common complaint we see in our shop.
Engine Control Module Failure
The engine control module (ECM) is the computer that controls many of the functions of the engine, including fuel injection, ignition timing, and emissions control. When the ECM fails, it can cause a wide range of problems, including reduced engine performance, stalling, and difficulty starting. There are a number of reasons why the ECM may fail, including damage from voltage spikes, water damage, or simply wear and tear over time.
Transmission Issues
Another common electronic issue in BMWs is transmission problems. This can include issues with shifting gears, slipping gears, or a complete failure of the transmission. The causes of transmission issues in BMWs can vary, but they are often related to faulty sensors or problems with the transmission control module (TCM). In some cases, transmission issues can be caused by software glitches or coding errors in the TCM.
Infotainment System Malfunctions
Modern BMWs are equipped with advanced infotainment systems that include features like GPS navigation, Bluetooth connectivity, and streaming audio. Unfortunately, these systems can be prone to malfunctions, including freezing, crashing, and slow performance. The causes of these issues can vary, but they are often related to software bugs, outdated firmware, or hardware failures.
How to Address Electronic Issues
In addition to understanding the causes of these electronic issues, it’s also important to know how to address them when they do occur. In some cases, you may be able to troubleshoot and fix the issue yourself, while in other cases, you may need to take your BMW to our qualified technicians for repair. Here are some tips for addressing the top electronic issues in BMWs:
- Electrical System Failures – If you’re experiencing electrical system failures, start by checking the battery and connections to ensure they’re tight and free from corrosion. If the battery and connections are in good condition, you may need to have your alternator or starter checked by a technician.
- Engine Control Module Failure – If you suspect that your ECM has failed, take your BMW to a qualified technician for diagnosis and repair. In some cases, the ECM may need to be replaced, while in other cases, it may be possible to repair the existing unit.
- Transmission Issues – If you’re experiencing transmission issues, start by checking the transmission fluid level and condition. If the fluid is low or dirty, it may need to be changed. If the fluid level and condition are good, you may need to have your transmission checked by a technician.
- Infotainment System Malfunctions – If you’re experiencing infotainment system malfunctions, check for software updates and install them if necessary. If the issue persists, you may need to take your BMW to a qualified technician for diagnosis and repair.

Fix All BMW Electronic Issues at JCL Automotive
Electronic issues are common in BMWs, but they can be addressed with the right knowledge and approach. By understanding the causes of these issues and knowing how to address them when they occur, you can keep your BMW running smoothly and enjoy its many features for years to come.
At JCL Automotive, we are proud to be the go-to repair shop for car owners in Hellertown, PA. Our technicians have the skills and technical know-how to diagnose and fix all kinds of electronic problems. You can schedule your car’s next service appointment now!
* Black BMW X5 Car image credit goes to: YuriyVlasenko.
by Chris Limantour | Nov 30, 2022 | BMW Repair
Ignition coil failure is a common issue in BMWs, and it can cause a range of problems with your vehicle’s performance. An ignition coil in a BMW is an electromechanical device responsible for transforming the low-voltage energy from a vehicle’s battery into the thousands of volts of electricity. This is needed to power the spark plugs and ignite the air/fuel mixture in the combustion chamber.
This ignition coil is critical for efficient engine operation, as it creates sparks that drive ignition timing and facilitate proper combustion. Without a functioning ignition coil, your BMW may experience slower start-up times, decreased engine efficiency, and ignition system-related trouble codes. In short, it’s essential that you keep your ignition coil in good condition so that your BMW continues to run optimally.
It’s important to be aware of the signs of ignition coil failure so you can address the issue as soon as possible. In this article, we’ll go over some of the most common signs of ignition coil failure in BMWs, as well as what you can do to fix the problem.
How does an ignition coil problem show in my BMW?
One of the most common signs of ignition coil failure is engine misfiring. This can manifest in a variety of ways, including the engine feeling rough or shaking when it’s running, or the vehicle stalling or experiencing power loss. Misfiring can also cause a decrease in fuel efficiency and an increase in emissions. If you notice any of these issues with your BMW, it’s worth checking the ignition coils to see if they’re the cause.
Another sign of ignition coil failure is a decrease in power and acceleration. If your BMW feels sluggish or isn’t able to achieve its usual level of performance, this could be a sign that one or more of the ignition coils are failing. This can also manifest as a “bogging down” effect when you try to accelerate, or the engine feeling like it’s struggling to produce power.
A third sign to watch out for is a check engine light on your dashboard. This can indicate a variety of issues with your vehicle, but if you’ve noticed any of the other signs of ignition coil failure (such as misfiring or a decrease in power), it’s worth checking the ignition coils as a possible cause.
If you suspect that your BMW’s ignition coils are failing, the first thing you should do is have the vehicle inspected by a mechanic. They’ll be able to diagnose the issue and determine whether the ignition coils are indeed the problem. If they are, the mechanic will be able to replace them for you.
The Usual Reasons the Ignition Coil Fails
It’s worth noting that ignition coils can fail for a variety of reasons. One common cause is wear and tear over time, as the ignition coils are subjected to high voltage and heat on a regular basis. However, issues with the fuel system or other components of the vehicle can also cause ignition coils to fail.
Also, damaged ignition coils from physical contact with debris, leaks of coolant or oil onto the ignition coils, and bad wiring that prevents power from getting to the ignition coils.
Additionally, due to the complexity of parts used in a BMW, there may also be certain specific failures that are unique to BMW ignition systems. It is always important to have an understanding of what can cause ignition coil failure and take steps to avoid it occurring.
For these reasons, it’s important to be aware of the signs of ignition coil failure in your BMW so you can address the issue as soon as possible. This can help prevent further damage to your vehicle and keep it running smoothly. If you notice any of the symptoms we’ve described, be sure to have your BMW inspected by our certified BMW mechanics to determine the cause of the problem and get it fixed.

JCL Automotive
At JCL Automotive, our certified mechanics specialize in the most popular European vehicles on our roads. We offer complete maintenance programs that keep your car or SUV running in like-new condition so you can continue to drive a dependable and enjoyable vehicle. Visit us from the nearby communities and towns around Hellertown, PA to give your BMW the best care from our independent expert mechanics. Call or visit us today.
by Chris Limantour | Sep 23, 2022 | BMW Repair
BMWs are known for their luxurious feel and performance on the road, but what makes them run so smoothly? Part of it has to do with the BMW cooling system. The BMW cooling system has several components that work together to keep the engine at a regulated temperature, even when things start to heat up.
The main component of the BMW cooling system is the radiator. The radiator contains a liquid coolant that helps to dissipate heat from the engine. The coolant is circulated through the engine by a water pump, and then returns to the radiator where it can be cooled again. Finally, the fan helps to cool the radiator by blowing air through it. Together, these components work to keep the BMW engine running at a safe temperature.
In addition, BMWs have an oil cooler that helps to keep engine oil at a consistent temperature. By circulating oil through this cooler, BMWs are able to maintain optimal engine performance, even in hot weather. Together, these components make up the BMW cooling system, and help to ensure that BMWs can perform at their best no matter what the conditions are, unless something goes wrong and the coolant light illuminates on your dashboard.
Keep and Eye out for These Cooling System Problems
BMWs are known for their luxurious features and cutting-edge engineering, but even the best cars can have problems. When failure of the cooling system happens, it can lead to a number of problems, so it’s important to be aware of the warning signs.
One sign that the cooling system may be failing is an overheating engine. If the temperature gauge on the dash starts to climb into the red zone, or if the engine starts to smoke, this is a sign that something is wrong.
Another symptom of a cooling system problem is steam coming from under the hood. This is a sure sign that there’s too much pressure in the system and that coolant is escaping.
Other signs that the BMW’s cooling system may be failing include a drop in engine performance, strange noises coming from under the hood, and leaks in the cooling system itself. If any of these warning signs are present, it’s important to have the BMW checked out by our qualified mechanics as soon as possible to avoid more serious issues.
The Usual Culprits
There are several reasons why this might happen, including:
- A leak in the coolant reservoir: Over time, the seals around the coolant reservoir can break down, allowing coolant to leak out. This can cause the engine to overheat, leading to cooling system failure.
- A failed water pump: The water pump is responsible for circulating coolant throughout the engine. If it fails, coolant will not be properly circulated and the engine will overheat.
- A blocked radiator: If the radiator becomes blocked with debris or dirt, it will not be able to dissipate heat properly and the engine will overheat.
- A failed thermostat: The thermostat is responsible for regulating the temperature of the engine coolant. If it fails, the engine may overheat or run too cold, causing cooling system failure.
If you notice any of these issues with your BMW, it’s important to take it to a qualified mechanic as soon as possible to avoid further damage.

JCL Automotive
When it is time for service for your BMW, we want your experience at our shop to be a positive one. Since we first opened our doors in 2005 we’ve taken pride in providing our clients with a quality experience and building relationships that last through the years. We’re very proud to welcome back many repeat clients and referrals and we look forward to helping you take better care of your car as well. Our amenities are designed to with your convenience in mind and include:
- Complimentary Wi-Fi
- Ride to Work or Home
- After-Hours Drop-Off & Pick-Up
- Same Day Services
- And More!
Your BMW is an investment, and you want to ensure it stays in top condition on our Hellertown, PA roadways. Providing routine maintenance and servicing on demand is essential to keeping your BMW running smoothly for years to come. Call us today to schedule a convenient appointment!
by Chris Limantour | Aug 20, 2022 | BMW Repair
BMW cars are incredibly intelligent and meticulously crafted machines. As a result, your BMW is equipped with various technologically-advanced systems to safeguard you and your vehicle against the adverse effects of severe components failure. The check engine light is one such system. Let’s discuss more about how the check engine light works and the types of component failures that can result in this warning light illuminating on your dashboard.
The Purpose of the Check Engine Light
The Check Engine Light (CEL), also known as Engine Management Light (EML), is a warning indicator found on the dashboard of your BMW. This light illuminates when more serious issues are detected within any of your vehicle’s systems or components that are connected to the engine and its exhaust system.
The CEL is connected directly to the Engine Control Unit (ECU) of your BMW, which is the vehicle’s main computer. As soon as the ECU detects an issue with one of the above systems, it sends out an error code and triggers the check engine light. The error code can then diagnose and repair the issue properly.
The severity of the problem determines a driver’s response to the CEL. Even if your vehicle appears to be operating correctly, you should reduce your speed and come to our certified repair center. You should pull over if the light illuminates red or if your vehicle does not appear to be safe. In that case, contact a tow service to bring your car to our repair facility.
Reasons Why the Check Engine Light (CEL) May Come On
Many factors can cause this essential warning light to illuminate. Here are a few of the most common reasons this may occur, how hazardous their impact might be to your car, and how you should handle it:
- Damaged Fuel Pumps: The fuel pump delivers pressurized fuel to the fuel injectors in the engine. If the fuel pump is damaged, it will not function appropriately, preventing the power from entering the machine correctly, resulting in rough running. As a result, the check engine light will be activated by the ECU, and your BMW engine is at a high risk of experiencing misfiring.
- Loose Fuel Caps: Drivers are most commonly guilty of this problem when distracted at the pump and do not correctly tighten their fuel cap. When the cap is loose, extra air can enter the tank and displace the pressure in the tank. Consequently, one of the many sensors in the car will detect a problem and alert the engine control unit. In general, this is the most common and easiest cause of the illumination of the check engine light and should be eliminated first.
- Worn Vacuum Hoses: The vacuum hoses are necessary to channel fresh air and exhaust around the engine to ensure optimum performance. The vacuum hose is made of rubber material, making them susceptible to breaking down due to the high temperatures inside a machine. This can eventually lead to cracks or deterioration. As a result, the engine’s sensors may report problems to the ECU because the precise balance of gases has been tipped, causing the check engine light to appear on the dashboard.
- Clogged Particulate Filters: The particulate filter is most commonly found on diesel-powered vehicles, although it is now introduced to gasoline-powered cars. As a result of combustion processes, particles such as soot are produced. The particulate filter is responsible for collecting these particles. Once the filter becomes clogged, soot will begin to settle within the engine and start to contaminate the delicate components. There is a pressing need to resolve this issue as soon as possible, as if the filter becomes damaged beyond repair, you are likely to face extensive costs.

Come to JCL Automotive in Hellertown for Expert Service
JCL Automotive has dominated the automotive repair market in the region for over ten years, as the largest independent provider of automotive services. Our service department is the best choice for maintaining the performance of your BMW.
We are pleased to offer Hellertown and nearby residents the services that you have come to expect along with many more! JCL Automotive also offers customers inspections and emissions certifications in Pennsylvania. Thanks to our certified mechanics and our staff’s capabilities, we expertly handle all of your BMW service needs. Call us today to schedule an appointment!
by Chris Limantour | Jul 3, 2022 | Auto Maintenance, BMW Repair
The BMW is a luxury car built with high performance, and every BMW driver wants to enjoy every comfort it has to offer and trust in the safety features built into their model. When we think of safety in a car, the first thing that comes to mind is the brakes. If your brakes are not in good order, then you are putting yourself and other road users at risk of an accident.
It is important to note, however, that driving behavior affects the life of a brake considerably. Drivers who often come to a sudden halt will need to change their brake pads more frequently than those who cruise to a stop.
The brakes of cars moving slowly through cities are more easily worn than those of cars traveling on wide rural roads, and the brakes of cars traveling downhill are worn down faster than those traveling on flat suburban roads. For your car’s brakes to perform properly when you need them, regular maintenance is required.
The Benefits of Regular Brake Maintenance
Here are some benefits you can expect as a driver when you have your vehicle’s brakes serviced on a regular basis.
- Quiet Ride: Having your brakes serviced can reduce the amount of stress and hassles you encounter on a daily basis by providing a calmer, more peaceful environment in your car. The smoother ride that your properly maintained brakes provide will lessen noise from outside your cabin, allowing you to enjoy conversation or music instead of background noise on your journey. If you wish to enjoy this tranquility, have your BMW brakes serviced.
- Improved Fuel Efficiency: You might also save money on gas if you have well-maintained brakes. If your brakes work properly, less energy is wasted, which means less gasoline is required to keep your car on the road.
- More Accurate Driving: You will enjoy driving more when your brakes function properly, as they will enhance your vehicle’s ability to manage tight corners and other maneuvers. Having more control over your car will make your journey to your next destination more enjoyable.
- Better Driving Experience: One of the most important parts of vehicle safety is the ability to stop immediately after you apply the brake. If you maintain your brake pads and other components of your braking system, it will improve their reactivity, allowing you to respond to changing road conditions more efficiently. It will prevent you from having a potential mishap and keep you and others safe.
- Save money: It is in everyone’s interest to have cheaper car maintenance. Getting preventative brake service will save you money in the long run compared to waiting for emergencies. A good brake system can prevent damage to other parts of your car, which can save you money in the long run.
- Extend the Life of Your Brakes: If you don’t maintain your vehicle’s brakes properly, you’ll have to replace them very often. You can reduce the amount of money you spend on parts replacement by maintaining your brakes with routine maintenance visits.
- Maintain the Legality of Your Vehicle: A car must satisfy specific requirements in order to be legally certified to drive on the road. You need to carry out regular inspections to ensure that all of its systems are functioning well. Checking the condition of your brakes is part of that inspection. Maintaining your vehicle’s brakes will ensure that it passes its inspection.

Get the Best Brake Repairs in Hellertown at JCL Automotive
Whether your BMW needs routine maintenance, a new brake pad, or other brake repairs, you can rely on the professionals at JCL Automotive! We are conveniently located in Hellertown, PA and we serve drivers from the neighboring areas. We specialize in BMWs and only utilize BMW OEM parts.
Just like you go to the doctor for a routine check up, your BMW needs it as well. Routine maintenance is the key to longevity for anything that has a lifespan. When you go in for a tire rotation, you should have your brakes tested, too.
Come to our facility and let our service specialists inspect your car to maintain it in the finest possible condition. Our experience and skill will enable them to detect and handle any issues before you have a problem on the road. Call us now to schedule an appointment!
by Chris Limantour | Jun 17, 2022 | BMW Repair
HVAC is an acronym for Heating, Ventilation, and Air Conditioning, and it is responsible for regulating the temperature in the cabin of your BMW. Apart from providing air conditioning or heating, it also helps defrost the windshield for clearer vision.
If the system is not adequately maintained and serviced, it can develop problems. Depending on the time of the year it fails, your driving experience can become unpleasant and frustrating. Knowing the symptoms to look for will help save you from the brutal summer heat or freezing winter cold. Let’s dive deeper into how to recognize a failing HVAC system, its causes, and how to solve the problem.
Symptoms of HVAC Failure in your BMW
One or more of the following signs may indicate that your vehicle’s HVAC system is failing.
- Little or No Airflow: One of the first indicators is that the airflow becomes significantly lower than expected. You may notice that you need to increase the speed of your blower to achieve the same comfort level previously. This is one of the first indicators of the problem, and you may also discover that your defrosters are not operating properly.
- Unusual noises when the fan is on: When the fan is turned on, you may hear strange noise coming from inside the vent. You may notice popping or slapping This is usually the result of an object being sucked in the vent. You may also hear a spinning noise that gets louder as the heating and cooling settings are increased. You may be able to dislodge a foreign object that you see, but if the vent is blocked further down the system, it will require a professional to inspect it.
- Runs at a single speed: If the problem persists for a long time, you may lose the ability to change the settings. It may be difficult to switch it up to the highest setting. Sometimes, the blower will not work at all, even when you turn up the setting to try to get more cool/warm air to blow out.
- Inefficient air temperature exiting vents: It’s common for your air conditioner to take a few moments to cool down when you turn it on, although this usually requires less time in a BMW car due to its strong efficiency. If you observe that the air never cools enough, it’s possible that you have a Freon leak. This can be replaced at a shop for you.
Common Causes of HVAC Blower Failure
Your BMW’s HVAC blower can fail for a variety of reasons.
- Blower Motor Relay Failure: The heating, ventilation, and air conditioning system, as well as the blower, are made up of many components that all work together collectively to keep you comfortable. When one of these components fails, the blower and system can degrade or stop working entirely. To enable the system to function, the blower system relies on many electrical components and connections. When one of these relays breaks down, the blower motor loses its ability to push cool or warm air through the vents. This usually needs replacement of the motor.
- Wear and tear: The blower in your HVAC system is subject to typical wear and tear. A vehicle’s natural breakdown of parts occurs over its lifetime. Although it is irritating to have to replace parts on your BMW, it is unavoidable. Components deteriorate and break as a result of regular usage, the passage of time, and exposure to the elements.
- Manufacturer’s defect: Occasionally, a problem arises during the production process. Even though BMW has high standards for all of its automobiles, errors do occur. Unknown to BMW, a defective component may have slipped through the inspection process.

JCL Automotive for All Your BMW Service and Repairs Needs
While your HVAC system is expected to last your vehicle lifetime, extreme temperatures could cause the failure of the system. When it comes to maintenance and part replacement, BMWs require precision and accuracy. At JCL Automotive, our expert mechanics utilize factory-grade tools and equipment to deliver quality service and repairs.
If you drive a BMW and live in Hellertown, PA or the surrounding areas, schedule an appointment with our trained professionals! Whatever the problem, we will work directly with you to get you back on the road as quickly as possible while maintaining the greatest level of care.
by Chris Limantour | Apr 15, 2022 | BMW Repair
The water pump is the heart of a BMW’s cooling system. It circulates the coolant through the engine block, cylinder heads, and radiator. If it fails, your BMW will overheat and cause major (and expensive) damage to the engine. Let’s discuss the functions of the water pump in your BMW, why it may fail and what to do when it fails.
What is the function of the water pump in a BMW?
The water pump is responsible for circulating coolant to keep your engine cool. (Coolant is usually made of antifreeze and water combined.) The pulley on the front of the water pump spins the impeller inside. The impeller is designed to push coolant liquid through the cooling system. As it passes through the system, it absorbs heat from the engine and then returns to the radiator to dissipate that heat.
Like many parts of a BMW, there are two types of water pumps: mechanical and electric. Mechanical pumps have been used for years, but electric pumps are quickly replacing them.
- Mechanical Water Pump: A mechanical water pump has a simple design with an impeller driven by a belt and pulley, usually attached to either the crankshaft or camshaft. As long as the engine is running there will be coolant being pumped throughout the cooling system.
- Electric Water Pump: An electric water pump runs only when needed by using an electric motor instead of a belt. When you start your car and begin driving, an electric signal tells the motor to turn on, which begins pumping coolant throughout the cooling system.
The Most Common Causes of a Water Pump Failure
- Wear and Tear: The most common reason for a water pump failure is due to age/wear. The bearings in the water pump eventually wear out, which causes the shaft and impellers to become loose. The loose pieces then rattle around the inside of the pump and cause damage to the internal components. If you are hearing a rattling or knocking noise coming from your engine bay, it’s a good idea to check your water pump for any signs of damage.
- Poor cooling system maintenance: The cooling system is responsible for circulating coolant through your engine to keep it at the right temperature. It also lubricates the bearings of the timing belt (or chain). It is important to check that this system is working properly without faults, so timely maintenance is necessary.
- Coolant leaks: Coolant is what keeps everything cool in your car’s engine. If you have a leak, this means that there won’t be enough coolant circulating through the system to properly and your engine can overheat. This can cause major damage.
- Worn Seals: Like most pumps, the water pump in your BMW has seals that prevent coolant from leaking out when it is being pumped through the engine block and cylinder heads. As those seals begin to wear out, you may begin to see puddles of coolant underneath your car after it has been parked for any length of time. Eventually, those worn seals will cause your water pump to fail altogether if they are not repaired or replaced on time.
- Coolant contamination: There could be debris floating around in your coolant reservoir and hoses. Dirt can build up on the impeller blades over time and cause clogs, leaks, and thick coolant.
Signs Your BMW Water Pump has Failed
If you notice your engine temperature gauge rising or steam coming out of your hood, pull over immediately and shut off your car. You should then call for a tow as soon as possible. You do not want to drive with an overheating engine, since it can lead to serious damage and expensive repairs.

JCL Automotive can Help
As a leading service center for European auto owners, JCL Automotive prides itself on product knowledge, staff experience, and customer service. Located in Hellertown, PA, our technicians have the skills and product knowledge to work on a variety of European and import vehicle models including your BMW.
Our shop is outfitted for quick, convenient, and affordable maintenance on European brand vehicles. Call us on 484-851-3390 or stop by our shop today, let’s help get your BMW back on the road as soon as possible.