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BMW Z4 M Coupe w/ ESS Supercharger, Supersprint Exhaust, UUC Clutch, Bilsteins & more
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08-12-2013, 02:55 PM
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GMP Performance
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Drives: E90 M3, E82 135i, E90 325i
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Quote:
Originally Posted by
ZStig
time for a dyno run! How much boost is the car producing? 8psi as advertised?
It is! The customer may dyno it soon. Averaging 8psi. The ESS kit is outstanding.
Appreciate
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