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Originally Posted by Craig
I would run from this deal, not walk. ...
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Quote:
Originally Posted by TitanM5
Hello all-
... Then, when I took it for a test drive, I notice the yellow engine light was on. They told me today it has a bad EGR valve and they want to keep it for a week and make sure there are no issues with it or they won't sell it to me. They have made it a CPO so the warranty is extended to 100k miles. Seems like an overall good deal, but now I am starting to wonder....
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I'd also run from a dealer that allowed me to test drive a vehicle with the 'yellow engine light' on. Even if this was a 'coincidence', I'd worry about the vehicle and dealer. At the very least I'd talk to the original owner to get their side of the 'tail light' story.
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Are a lot of people having problems with their 35d's or is it just a few that are talking here to try to figure out what is going on?....
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The 35d is a new vehicle to BMW, their dealers and owners. Some of the issues you are reading about are real manufacturing and/or mechanical problems. For example, low pressure fuel pumps, inter-cooler air temp sensors, etc.. These seem to me to be about the same as issues reported for the E70 gasoline variants.
IMO most of the 35d issues that are being reported are due to the inexperience of the dealer techs in diagnosing and resolving 35d specific issues. In particular the DEF system. On top of this is the inexperience of ANY of us with the quirks of the 35d DEF system, particularly at low temperatures. The net result is the blind leading the blind

This leads to a fair amount of 'noise' on these forums while 35d owners develop the body of experience required to recognize the real issues and suggest solutions.
It is a classic early adopter paradigm. Those uninterested or unwilling to put up with the 'noise' and spend some time keeping up with 35d specific issues should get a BMW gasser or a Lexus.
Funf Dreisig