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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
-T304 Stainless Steel 02 bung
the shape of the inlet tract was flow optimized for best performance
5" hand fabricated
- Estimated crankshaft power output of 597 horsepower and 614 lb
this pairs very well with the stock dampers
BMW 1M GIAC Stage 1 Performance ECU Software Upgrade Add switching programs (includes Flashloader handheld)::Yes (+$300) -T304 Stainless Steel 02 bungGIAC performance software helps you extract the maximum potential from your BMW. Power gains have been measured at: 46 wheel horsepower and 23 wheel torque on 91 octane 64 wheel horsepower and 34 wheel torque on 100 octane Estimated crankshaft power output of 389 horsepower and 395 lb. ft. of torque on 91 octane Estimated crankshaft power output of 409 horsepower and 408 lb. ft. of torque on 100 octane Boost levels are approximately 14 15 psi Stage 1
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