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      01-16-2014, 04:54 PM   #52
turb0mik3
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Drives: E90 335i Racecar
Join Date: Jan 2010
Location: San Diego, CA

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2010 BMW 335i  [8.90]
Quote:
Originally Posted by Sered View Post
I'm guessing this quote was missed by all:

“The M3’s turbos are actually smaller than the turbos in the N54HP—the 1 Series M Coupe engine.”


This is going to rain on the parades of many. I guess it comes down to whether its just the compressor sides or both sides. The turbos on the N54 could make a lot more power if the exhaust sides were larger with better turbine wheels.

Makes sense. FBO N54s make 400+ to the wheels.

I have driven both an M3 and a FBO 335 on the track and I can honestly say the M3 is easier. The power delivery is A LOT more predictable. I know my 335 like the back of my hand but still I am surprised when it does and doesn't make boost. Like sometimes I will slightly let off the gas in one spot on one lap and not the next. This completely changes when boost comes in because the turbos stop spinning. It's pretty interesting and I am looking forward to seeing how the new Ms feel on the track.

-Mike
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