This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
ABS hydro unit on E92 M3 2008 just failed, it is a common issue on all BMW cars, though problem is over the year and because of poor soldiering these unit fails, causing braking problem, cruise control not working irresponsive, and stability control problems.
In a situation where the car is stopped and light pressure is applied to the brake (HVAC is off) the idle of the car will fall below specification and the idle becomes rough. Even a very slight decrease in brake pressure will return the idle to spec. This would seem to me to be a problem with either the vacuum booster or the master cylinder. I have noted many others with the same symptoms in online forums. At the very least it is an emissions issue and at worst a safety issue. I am prompted to log this complaint given today's news of 328I brake investigations. I have called bmwna to get no satisfactory response.
- Milpitas, CA, USA
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- Tampa, FL, USA