Fabspeed BMW M5 / M6 / X5M / X6M XperTune Performance Software Style:Default POWER: Maximum curve gains of

POWER: Maximum curve gains of 79 whp and 113 ft-lbs of torque at 3700 RPM Stock Peak Power: 689 WHP and 556 TQ | Tuned Peak Power: 782 WHP and 639 TQ  NOTES This upgrade requires you to send us your ECU for re-programming

we were impressed

they give you the braking confidence you need when pushing hard

Big Old Backfires and explosions in a GT3 are common too and hurt muffler cases

our mirror shells are designed with the dimensions of the OEM pieces for a factory fit and finish while adding a bit of style

Fabspeed BMW M5 / M6 / X5M / X6M XperTune Performance Software Style:Default POWER: Maximum curve gains ofAchieve maximum power gains and driveability without sacrificing reliability. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD II port in your vehicle and your computer to complete the tuning process. Simply flash your BMW M5 M6 X5M X6M with a Fabspeed ECU