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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > From a sport line to Burger tuned-M performance 447hp/569lbs tq CRANK
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      04-04-2014, 05:41 PM   #23
Sherhart
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Quote:
Originally Posted by ratedpg909 View Post
The crank numbers are what the guys at EAS gave me, I think they divided by .82.
They are assuming 18% driveline loss which is kind of BS. Absolute numbers are somewhat worthless for anything other than bragging. What dynos help with is before and after numbers. I.E. same car, same dyno, different mods.

I'm not sure what Map 7 means, but I'm guessing it ups the boost assuming you have catless DP and high octane gas or methanol, both of which you claim to have. The only thing I can think is the intake is throwing off the MAF sensor making it run lean, but I'm not sure how sensitive these cars are to intakes. Intakes were a big no-no in the WRX world under 400WHP due to sensitive MAF sensors.

Your next step would be to pull some logs at WOT with boost and timing to see what's going on. If you are getting detonation, either the map is still too aggressive or something is wrong with your meth kit (i.e. octane still too low).

Jimbo
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      04-28-2014, 02:33 AM   #24
1337PirateNinja
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Did you have to get hub rings for those RC10 rims? I just got mine and my start to wobble at around 40mph, i am trying to find which ones i need...
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      04-28-2014, 03:16 AM   #25
dannywooly77
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Love seeing the M Performance kit mods! Looking great!
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335d xDrive M Sport Black Saphire, Pro Nav, MSport+, Adaptive Suspension, Performance Kit
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      04-28-2014, 10:48 AM   #26
alienranch
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The car looks fantastic. I too am more than a bit concerned about that spike though. I also agree with another poster that you should be putting down more to the wheels with those mods. Beautiful car though.
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