There are 1 owner-reported engine complaints for the 2008 BMW 6 Seriesin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2008 BMW 650I. The contact stated while driving approximately 35 MPH, there was smoke coming from under the hood. The contact stated no warning light was illuminated. The contact pulled off the roadway and had the vehicle towed an independent mechanic. The independent mechanic diagnosed that the vehicle was leaking oil and the engine oil seals needed to be replaced. The vehicle had not been repaired. Additionally, the vehicle had lost power while on the road causing the contact to have to pull off the road. The contact observed that the "engine malfunction" warning light was illuminated. The contact stated that the engine failure had been ongoing. The manufacturer had not been informed of the failure. The failure mileage was 127,001.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026