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Jb4 BMW BMW 335 Performance Jb4 135 335 intakes
F10 BMW 535i Performance tuner
BMS M Tuning for the F series M5, M6, X5M, & X6M

BMW M3 F80 M5 F10 Tuner JB4 performance tuner F chassis M3

Our M5/M6 Stage1 tune has quickly become the gold standard in //M performance, reliability, and value. It installs and removes quickly, provides reliable 30-50whp/40-60wtq gains. Unlike some of our competitors the BMS Stage1 tune is compatible with both base and competition flash vehicles. Drives as smooth as stock only with a lot more power available when you mash the pedal.

Note we've adjusted the Stage1 tune so that special setting changes for the M5/M6 are no longer required. In addition we've removed the option to adjust the boost levels. Boost is fixed at a maximum of +4psi over stock. For higher power levels or heavily modified vehicles checkout our new s63tu JB4 system.

S55 2015 M3 Motor engine tuned JBM

M5 M3 tuning


• 2012+ F10 M5

• 2012+ F12/13 M6

• 2010+ E70 X5M
• 2010+ E71 X6M


M5/M6 Dyno Results
Tuned M6 Dyno
2014 M6, exhaust, 93 octane 2015 M5, Stage1, 93 octane, otherwise stock

BMS M5/M6/X5M/X6M Stage1

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