Can an Accident Cause Damage to My BMW’s Engine or Transmission?


Getting into an accident is no fun, especially if you’re driving a high-end vehicle like a BMW. Not only is bodywork expensive to repair, but, there’s a chance you could have some internal damage as well. 

While not every accident results in damage to a vehicle’s engine or transmission, it’s certainly possible. It’s also important to note that you don’t have to have a major collision to end up with damage to your vehicle’s internal structure. Sometimes, a simple fender bender is enough to cause some serious issues. 

At The HAUS, we’ve seen first hand what can happen when BMW owners dismiss a small collision as no big deal. Often, it takes a skilled professional to detect minor damage early — before it becomes a major problem. Here are some of the things you need to watch out for. 

Engine Performance Issues

Modern engines, especially those found in BMWs, are extremely complex. Even a slight impact can cause issues. In many cases, it can take a day or two for the vehicle’s diagnostic computer to register a problem. You may notice the “check engine” light blinking on and off or it may not come on until a few days later. 

Some of the issues that can trigger a “check engine” light to come on after a collision include:

  • Emissions control system malfunction
  • Damaged hoses
  • Blown head gaskets
  • Loose or damaged gas cap
  • Fuel injector issues 
  • Failing or damaged oxygen sensors
  • Damaged hoses
  • Failing or damaged mass airflow sensor
  • Electrical or wiring problems

If your check engine light comes on in the days following an accident, don’t make the mistake of ignoring it. 

Transmission Damage 

All-wheel and rear-wheel-drive vehicles are particularly vulnerable to transmission damage following a rear-end collision. Unfortunately, if this damage isn’t addressed right away, the problems will continue to compound. 

Some signs of transmission damage include:

  • Transmission slipping
  • Difficulty shifting or shifting to the wrong gear
  • Leaking transmission fluid
  • Loud rattle or vibration
  • Low transmission fluid levels
  • Burning smell 
  • Making noise when in neutral
  • Grinding or shaking
  • Whining, clunking, or humming

While many of these issues on their own may not seem like a big deal, they must be addressed quickly. Otherwise, small pieces of metal can break off the gears, travel to the cooling system, and cause damage that requires extremely expensive repairs. In some cases, it can even lead to irreparable damage. 

Other Internal Vehicle Issues 

In addition to your engine and transmission, a collision can also result in problems with your vehicle’s alignment, electrical system, and exhaust. It’s also possible that the frame could be bent, which may prevent the vehicle from properly protecting you in a future collision. 

Don’t Leave Your Safety Up to Chance! Have Your Vehicle Checked Today

If you’ve been in a collision with your BMW or any other type of vehicle, it’s better to be safe than sorry. The pros at The HAUS will give your vehicle a full internal and external inspection so you can have the peace of mind in knowing that it’s as safe as it can be. 

Give us a call today or contact us online to get started. 


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