Purchased a 635d about ten months ago. I bought this car from a dealer and have been dealing with their issues ever since. A few weeks into owning it, an injector went out. When I finally got it back, it started smoking shortly after. The dealer basically told me that the smoke was normal for the mileage (the car is under 90k), but I insisted that it wasn't for a standard 6 series with no modifications (no dpf removal, etc.). The car was smoke tested and apparently needed an intake gasket, but that didn't solve the problem. Even after the gasket was changed, the smoking persisted, especially at idle and when the throttle was slightly blipped. The problem went away once the car was warmed up. I haven't had the car for over seven or eight months since buying it. But it would smoke if you left the vehicle rest for less than an hour and then started it again. They installed stem seals, and throughout the little time I owned it, I didn't notice any oil loss, even after they failed to repair it. The turbos were tested and found to be in good working order as the engine was obviously out. Reassembling the vehicle and communicating with the dealer again. I was planning on declining the automobile, but I ended up taking it. The injectors were sent when it was discovered that one of them was operating at 100% duty cycle; after being changed, it continued to smoke. This is just a typical occurrence, the establishment is claiming. Is anyone in agreement?
It had a new glow plug module installed before I acquired it. They changed the intake gasket, cleaned the turbo's seals, and examined the injectors.
They sent the vehicle out for repairs without checking ccv, maf, etc., which is surprising. So, I'm curious if anybody has any ideas or if this is typical (which I don't think)âI'm sending it in for a mot since it's due soon, so I'll see out how it is on emissions. Thank you!