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10-29-2002, 03:45 PM
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| Detuning an E46 M3 Hello everyone, I've heard that one can detune the 3.2 Euro Spec E36 M3s in order to run forced induction. Can this be done possibly for the E46 M3s to fix the "problem" of high compression? What exactly goes into this and how much would it cost? I'd rather not get rid of the natural juice that BMW puts into that 333hp but if cutting a little meant it could safely get up to 400hp, then I'd do it. Please no flames just good info. Thanks.
__________________ Ramsen 2000 Black/Black 328ci--All Clear Signals--Painted Reflectors--Kamei eyebrows--MVR front apron--Racing Dynamics Side Skirts--rear windows limo black--blue neon throughout cabin--Blaupunkt DVD player and 7" Koiller lcd--Diablo Racing Burgini 18" chrome wheels with Bridgeston Potenza S-03--Racing Dynamics Front Strut bar--K&N Intake--Quad tipped Eisenmann Exhaust--AA chrome oil cap      |
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10-29-2002, 04:06 PM
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| it would require finding lower compression pistons, or rebuilding the cylinder head to lower the comp. ratio, which would be completely custom work AFAIK, which would be big $$$$. charlie
__________________ -Charlie  Mods: 17" OZ SuperLeggeras w/Yokohama 235/40/17s all around, Bilstein Sports and H&R Sports with E46 RSMs and Z3 reinforcement plates, front and side clears (1/2 mod), Valentine 1, Cosmos Racing CAI, K40 Laser Jammer, more on the way |
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10-29-2002, 04:44 PM
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| I've got a integra gsr w/ high compression (10:1) and I'm thinking of putting on a thicker head gasket to drop compr a little. Just a thought though.
__________________ My drinking team has a racing problem.  |
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10-31-2002, 10:42 AM
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| They have superchargers running on the E46 m3 with stock compression hitting 400+hp i believe however they are blowing up, haha. The only mods I would do toa street e46 m3 is modify the intake a bit, Custom tune the ecu, replace headers back, and thats it. The only other thing you need to do is remove 400+ lbs from the car. If you can top the scales at 3000lbs it'll be perfect. it'll brake, accerlate, handles, basically do everything better. |
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11-03-2002, 07:31 AM
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| All right then. Looks like not too much to do. I have thought about intake, exhaust and chip (the usual) but from what I've heard, intake and exhaust are already good enough stock and limited gains would be seen. I'll keep in mind reducing the wait though... Thanks for the help guys.
__________________ Ramsen 2000 Black/Black 328ci--All Clear Signals--Painted Reflectors--Kamei eyebrows--MVR front apron--Racing Dynamics Side Skirts--rear windows limo black--blue neon throughout cabin--Blaupunkt DVD player and 7" Koiller lcd--Diablo Racing Burgini 18" chrome wheels with Bridgeston Potenza S-03--Racing Dynamics Front Strut bar--K&N Intake--Quad tipped Eisenmann Exhaust--AA chrome oil cap |
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