Quote:
Originally Posted by fun2drv
If valvetronic is related to VANOS and I think it is, you don't want it in your car. Just take a look at the E46 M3 forums to learn about the $4 to $5K VANOS failures that are popping up all over the place. I have an '04 M3 with 29K miles and already got a VANOS failure code. These do not show up as early as the HPFP issues, but will also be a cause for worries...
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Give me the two-time global engine of the year N54
twin turbo 135i any day of the week over a cheaper, single turbo N55. I couldn't be happier having the N54 (reason I ordered this car).
Since when does a company release a new engine for a vehicle line with
LESS or the same HP? We all know the N54 was under-rated at 306hp. The N55 is 300 and supposedly closer to spec too? Heck 15% is the norm on any new engine replacing another.
N55 = COST SAVINGS FOR BMW with one turbo in the 1 series application.