3 Common Causes of Major BMW Engine Trouble

3 Common Causes of Major BMW Engine TroubleLike all vehicles, your BMW's engine operates under extreme conditions that include intense heat and constant vibrations. As long as you provide the motor with proper maintenance, there is a good chance that it will last in excess of 200,000 miles without the need for major repair. However, without oil changes, tune ups, coolant flushes and other BMW services, or as the miles add up and wear and tear take effect, engine trouble could set in. Let's take a look at three issues that are likely to cause major damage under the hood of your BMW.


Overheating occurs when the engine becomes too hot, which could lead to major engine problems that include a failed head gasket or even warped cylinders. Overheating can often be attributed to a coolant leak, a faulty water pump, a bad electric cooling fan, or a failed thermostat. Be sure to have your cooling system serviced according to your BMW service schedule to prevent issues like those from occurring.

Improper Engine Lubrication

Among the most common causes of major engine damage is running the car with low engine oil levels. Not completing oil changes on time, or neglecting to fix oil leaks, could put your car at risk of massive internal damage due to increased friction between its moving parts. Aside from a vehicle that burns or leaks oil, the usual suspects when it comes to oil starvation are a faulty oil pump, high mileage wear and tear, or using the wrong oil in the engine. G2 Automotive uses top quality LiquiMoly products.


Abnormal combustion within the engine is known as detonation. This event produces excessive heat and pressure inside the combustion chamber which can lead to internal engine damage. In the broadest definition, detonation is fuel spontaneously combusting at the improper time. The most common causes of detonation include excessive cylinder pressure or inadequate fuel octane or incorrect ignition timing. It may also be caused by a failed EGR valve, dirty spark plugs or excessive engine heat. If you hear a knocking noise coming from under the hood of your BMW, detonation may be occurring.

It is important to keep up with regular auto maintenance to ensure that your engine and the rest of your BMW stays healthy. For professional BMW engine repair in Cumming, GA, reach out to G2 Automotive. Our team of professional German auto repair techs can solve any issue that your BMW may be suffering from. Give us a call at (678) 771-6434 anytime you need to schedule German auto repair in Cumming, GA, or the neighboring areas.

G2 Automotive Blog
Posted: August 24, 2020

Written and Published By MORBiZ

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