RK-Tunes unveils F80 drag car with 7275 top mount single turbo

Abacus38

Lieutenant
Nov 2, 2016
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Tampa/Orlando, FL
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2007 Ti Ag 335i
Yikes, that's a very low cap for that large of a turbo.
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Yup the head sucks. Going to need some porting to remove that bottleneck
 

Jake@MHD

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Nov 7, 2016
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Philly
Wow, didn't know the valve size, cams, etc was all the same as N55. Guess I never looked haha. That was purely BMW cheaping out. It definitely should have been improved over N55.
 
  • Agree
Reactions: Abacus38 and Torgus