Quote:
Originally Posted by tturbolife
Hey everyone,
Looking to buy a car in the next 12-16 months and want to get a head start.
Previous BMWs are a 2007 335i coupe and a 2009 650i coupe (current).
I am looking between a 2014 and up 435i/440i gran coupe or 640i gran coupe. I drove a 650i gran coupe and it felt big and heavy (which it is). I have not driven the 640i, but was hoping the smaller/lighter engine would help it feel a bit more nimble. Is that the case? I drove the 435i gran coupe and liked how it drove, but liked the interior on the 650i gran coupe much more.
With both of my previous BMWs, I have had a large amount of problems (especially the N54 and oil leaks, turbos, HPFP) and want to avoid those issues in the future. I have read a lot of issues with the 650i, but not so much with the 640i. Is the N55 reliable? Does it have oil leaks etc? I am looking for around 40k miles and will probably keep it until 80k miles, hoping to keep maintenance to air filters oil changes etc no expensive gasket changes or turbo replacements.
I appreciate any feedback that 640i gran coupe owners might provide (or even someone who went from 435i to 640i)
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I can't really comment on reliability of the N55 engine, but I just want to make sure that you are aware that there are two different engines for the 650i. There is the N63 and N63TU with the N63TU having addressed much of the reliability issues of the N63. I believe the 650 got the N63TU starting from MY 2013.