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.
2009 BMW 535I engine died on the freeway 5 going 70mph with my family and was very luck to pull over without causing an accident. BMW said it was the brain and had the car for 7 days to program it. I found out that about 5% of all 335I and 535I has the same issue, it is the new twin turbo engine 3.0 is having issues in both cars. Please check this is a safety issue.
2009 BMW 535I: While accelerating, a sudden near-stall/loss of power occurred while attempting to enter into an intersection, nearly causing an accident. A warning was alerted through the idrive system ("engine malfunction - reduced power"). the car was drivable, but extremely sluggish and slow to accelerate. BMW service center performed diagnostics to find that a high-pressure fuel pump (hpfp) had failed. They replaced it, which has since solved the problem. Updated 09/29/09.
- Kennesaw, GA, USA
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- Davis, CA, USA