Power gains will vary based upon available octane, additional modifications and conditions. Typical gains on an otherwise stock n54 powered BMW running on 91-93 octane fuel are 70-80 wheel horsepower and 80-90ft-lbs of torque. With additional basic modifications (exhaust, intercooler and intake upgrades) and higher octane racing fuel, gains of 160-170 wheel horsepower and 200-210ft-lbs of torque can be expected. With upgraded turbos, gains as high as 250whp are possible.

2007 335i with full Vishnu/FFTEC Single turbo, PWM Meth kit and 93oct
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2007 335i with full bolt-ons, ASR Turbos, PWM meth kit and race gas:
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2007 335i with full bolt-ons and RB Turbos, methanol injection and race gas:
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2008 335i with RB Turbos, Catless Downpipes, FMIC, DCI, PWM Meth kit and STOCK Exhaust on 91octane fuel:
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2007 335i with full bolt-ons, ASR Turbos, PWM meth kit at just 15psi of boost. On 91 octane fuel:
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2008 335i with full bolt-ons and methanol injection on race gas:


2007 335i with PWM Meth kit and DCI vs. Stock Tune. On 91 octane fuel.
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2008 335i 6AT with full bolt-ons and PWM Meth kit. On 91 octane fuel.
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2007 335i with basic bolt-ons on race gas:


2009 135i with dual intake and methanol injection:
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2009 135 with full bolt-ons, methanol injection, ASR turbos:


2009 135i with full bolt-ons, methanol injection and ASR turbos and race gas:


2007 335 with full bolt-ons and race gas: