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Forced Induction
Aftermarket superchargers & turbos as well as tuning for stock BMW turbos (N54 motor - 135i / 335i / 535i). Force-fed discussion to make your car go faster

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  #1  
Old 10-17-2012, 08:13 PM
E30949/909 E30949/909 is offline
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Location: Pomona
 
Join Date: May 2012
Posts: 101
Mein Auto: 1990 325IC
Turbo M20B25

What's the best turbo setup for this motor that can be put on a bone stock engine?
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  #2  
Old 12-11-2012, 06:26 PM
Microtesties Microtesties is offline
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Location: Concord, NH
 
Join Date: Oct 2012
Posts: 101
Mein Auto: 1990 BMW 525i
I have an E34 with an M20B25 motor. Unfortunately as far as I can see they aren't really fit for any kind of aggressive forced induction. You could build some kind of ram air intake though. Post pics if you do build something!
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Year: 1990
Model: 525i
Transmission: 5 speed
Mileage: 250k
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  #3  
Old 12-18-2012, 10:12 AM
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Newman271 Newman271 is offline
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Location: Cincinnati, OH
 
Join Date: Apr 2012
Posts: 623
Mein Auto: 99' 540i M-Sport
T-28 from a dsm... or maybe a 16g. The motors have a 8.5:1 compression. I would at the very least buy: MLS headgasket, arp head studs, injectors, and a tune. Otherwise, you'll boost maybe 3-5psi and fuel cut. In that case, don't waste your time.
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