Quote:
Originally Posted by kealaiki
If you plan to keep the car awhile, a point to consider is long term reliability.
The long term reliability of the turbo in the case of a 535i would be a concern to me but the stout engineering of BMWs 3.5 liter engines is legendary. IMO no other mfr can build a six like BMW.
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Your first statement is a valid one.
However, your comment on "BMWs 3.5 liter engines" presumably refers to the current 3.0 liter I6 engine and the previous twin turbo I6. The latter engine has been anything but reliable. The 335i and 535i labels are a bit of a misnomer, since the engines are only 3.0 liters.
Check out the data offered by Consumers Report, J.D. Power or TruDelta.
BMW's reliability has slipped dramatically over the past four years, in large part due to the large number of HPFP failures in the twin turbo I6 gas engines.
Hopefully, the new single turbo 3.0 liter I6 engine will be a reliable one; only time will tell !!