1450 Justin Rd

Lewisville, TX 75077

972-316-7541


1440 State Hwy 121 #8

Lewisville, TX 75067


4900 Preston Rd Ste 105B

Frisco, TX 75034

Monday-Friday 8am-6pm

Saturday 9am-5pm

SERVICE REQUEST
A black and white logo for european auto care

1440 State Hwy 121 #8, Lewisville, TX 75067

972-316-7541

1450 Justin Rd, Lewisville, TX 75077

4900 Preston Rd Ste 105B, Frisco, TX 75034

A black and white logo for european auto care

Monday-Friday 8am-6pm | Saturday 9am-5pm

My BMW’s check engine light is on. What’s triggering it?

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European Auto Care • February 6, 2025
A black bmw is parked in a garage with its doors open.

A BMW's check engine light is an important indicator of potential issues under the hood. When it illuminates, it can range from minor concerns to significant problems that require immediate attention. In this situation, it’s best to promptly visit the shop for diagnostics so the underlying issue doesn’t get the chance to worsen. At European Auto Care, we provide expert European check engine light diagnostics and repair in the greater Lewisville, TX area. Here are five common reasons why your BMW’s check engine light might come on.


Faulty Oxygen Sensor

The oxygen sensor in a BMW measures the level of unburned oxygen in the exhaust system, helping the engine maintain an optimal air-fuel mixture. If this sensor becomes faulty, it can cause the engine to run inefficiently, potentially increasing fuel consumption and emissions. A failing oxygen sensor is one of the most frequent reasons for the check engine light to appear and should be replaced quickly to avoid further complications, such as problems with the catalytic converter. 


Malfunctioning Mass Air Flow Sensor

The mass air flow (MAF) sensor is responsible for monitoring the amount of air entering the engine and ensuring the correct fuel-to-air ratio. When this sensor malfunctions, the engine may misfire, idle roughly, or have reduced performance. If the check engine light is on and your BMW’s performance seems off, this component might be the culprit.


Loose/Missing/Damaged Gas Cap

A loose or damaged gas cap is a surprisingly common reason for the check engine light to come on in BMWs. The gas cap seals the fuel system and if it isn’t properly secured, fuel may evaporate before your engine gets the chance to use it.


Failing Catalytic Converter

The catalytic converter plays a crucial role in reducing harmful emissions by converting toxic gases into less harmful substances. If the catalytic converter is failing, the check engine light will likely illuminate, and you may notice reduced engine performance or a smell similar to rotten eggs.


Ignition Coil or Spark Plug Issues

BMW engines rely on properly functioning ignition coils and spark plugs to ignite the air-fuel mixture in the cylinders. If either of these components fails, it can cause misfires, rough idling, or difficulty starting the car. The check engine light will illuminate if the onboard computer detects ignition issues, signaling the need for immediate repairs.


BMW Check Engine Light Repair in Lewisville, TX

When you need BMW repair in Lewisville and the surrounding area, contact European Auto Care at  972-316-7541. Feel free to give us a call to make an appointment for your BMW repair and maintenance needs in Lewisville, TX!

European Auto Care Blog

By European Auto Care March 22, 2025
Spring is here, and it’s the perfect time to give your European vehicle the care it deserves. In Texas, where the weather transitions from mild to warm, ensuring your car is in peak condition can make all the difference in your driving experience. Below, we discuss essential maintenance tasks to get your prized vehicle ready for the sunny days ahead. For auto maintenance in Lewisville and Frisco, TX, contact European Auto Care. Check and Change Fluids Your engine’s oil, coolant, and transmission fluid need to be in top shape. European vehicles are known for their precision engineering, so we recommend sticking to the manufacturer’s recommended fluid change schedule. Check your oil level and quality, replace your coolant if it’s starting to look old, and ensure your transmission fluid is at the correct level. This will keep your engine running smoothly and efficiently, especially in warmer temperatures. Tire Inspection and Alignment Texas roads can be tough on tires, especially after a long winter. Examine your tires for signs of uneven wear, proper tread depth, and sufficient inflation. A quick visit to your mechanic for an alignment check can prevent further wear and tear, ensuring that your vehicle handles like a dream on every road. Air Conditioning Tune-Up As temperatures climb, you’ll want your AC system to be in prime condition. Get your system serviced to check for leaks, refrigerant levels, and overall efficiency. European vehicles often have sophisticated climate control systems, and a professional tune-up can make sure you stay cool on those hot days. Brake and Suspension Check Safety is paramount, so make sure your brakes are responsive and your suspension is smooth. Inspect your brake pads, rotors, and fluid levels, and have your suspension system evaluated to handle varying road conditions. Exterior and Interior Care Finally, give your car a thorough wash and wax to protect its luxurious finish from dust, pollen, and harsh sun. Clean the interior, paying attention to leather and delicate trims, to keep your vehicle looking as impressive on the inside as it does on the outside. European Auto Maintenance To ensure your European vehicle continues to perform like new, completing factory automotive services is critical. At European Auto Care, our dealership-style auto maintenance ensures your vehicle remains in peak condition, mile after mile. From tune-ups and oil changes to fluid inspections and emissions testing, we provide tailored care for your BMW, Audi, Mini, or other European vehicles. Our team also offers pre-purchase inspections, helping you make wise decisions when shopping for a used car. We invite you to visit our Lewisville & Frisco, TX auto shop and stay ahead of potential issues with our comprehensive car maintenance services.
By European Auto Care March 5, 2025
The alternator is a critical component of your vehicle’s electrical system, responsible for keeping the battery charged and powering electrical accessories. European vehicles, known for their advanced technology and luxury features, rely heavily on a properly functioning alternator. When the alternator starts to fail, it can lead to a variety of performance issues that should be addressed immediately. At European Auto Care, we provide expert European alternator replacement and auto electric repair in the greater Lewisville area. Here are five common signs that your European car may have an alternator problem. Dimming or Flickering Lights One of the most noticeable symptoms of a failing alternator is dim or flickering lights. Since the alternator supplies power to your vehicle’s electrical system, a malfunctioning unit can result in inconsistent voltage output. You may notice your headlights, interior lights, or dashboard lights dimming while driving. Warning Light on the Dashboard Most modern European vehicles are equipped with advanced diagnostic systems that alert drivers to potential electrical problems. If the battery warning light on your dashboard illuminates, it could be an indication that your alternator is not generating enough power. While this warning light can sometimes point to a failing battery, it often signifies an alternator issue. Electrical Accessory Problems Since European cars often have complex electrical systems, a failing alternator can cause various electronic malfunctions. You may experience issues such as power windows moving slower than usual, the infotainment system cutting out, or erratic performance from heated seats. These problems occur when the alternator struggles to supply consistent power to multiple components. Difficulty Starting the Vehicle A weak or failing alternator can result in a slow-cranking engine or difficulty starting your vehicle. While the battery provides the initial power to start the engine, the alternator is responsible for recharging it. If the alternator isn’t working correctly, the battery won’t receive the charge it needs, leading to a sluggish start or a completely dead battery. Unusual Noises A failing alternator can sometimes produce unusual sounds, such as grinding or whining noises. These sounds may come from a worn-out bearing inside the alternator or a belt problem. Ignoring these noises may lead to a complete alternator failure. European Alternator Replacement & Auto Electric Repair in Lewisville, TX When you need European auto repair in Lewisville and the surrounding area, contact European Auto Care at  972-316-7541  . Feel free to give us a call to schedule an appointment for your European repair and maintenance needs in Lewisville!
Two cars are parked next to each other in a garage with the hood open.
By European Auto Care January 4, 2025
Mini Coopers are renowned for their stylish design, fun handling, and compact convenience, making them a favorite among drivers. However, like any vehicle, they are not without their quirks. At European Auto Care in Lewisville, TX, we specialize in Mini Cooper service and repair, helping owners address common issues and keep their cars running smoothly. Here are some of the top troubles Mini Cooper owners may encounter. Engine Cooling Issues Mini Coopers are prone to problems with the cooling system, including radiator leaks and water pump failures. Overheating can cause significant engine damage, so it's important to address any coolant leaks or overheating issues promptly. Regular cooling system inspections can help prevent these problems. Timing Chain Tensioner Failure A common issue in Mini Coopers, especially in earlier models, is timing chain tensioner failure. This can cause a rattling noise from the engine and, if left unchecked, may lead to severe engine damage. Routine engine maintenance can help catch this issue early and prevent costly repairs. Transmission Troubles Automatic Mini Coopers, particularly older models, are known for transmission issues, including hard shifting or complete failure. Regular transmission fluid changes and inspections can help extend the life of the transmission and ensure smooth operation. Electrical System Glitches Mini Coopers are also known for electrical problems, such as faulty power windows, issues with central locking, and dashboard warning lights. These can often be traced to failing sensors or wiring issues, which our team at European Auto Care can efficiently diagnose and repair. Carbon Build-Up in the Engine Direct-injection engines in Mini Coopers can experience carbon build-up over time, leading to reduced performance and fuel efficiency. Periodic engine cleaning can mitigate this issue and help your Mini perform at its best. If you’re experiencing any of these common Mini Cooper troubles, bring your vehicle to European Auto Care in Lewisville, TX. Our team of experts provides professional diagnostics, repairs, and maintenance to keep your Mini running like new. Give us a call at  972-316-7541  to schedule an appointment or to request a quote for the cost of Mini repair in Lewisville or any nearby Texas town.
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