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BMW E90/91 sedan/wgn pre-LCI all-noses (2006-2009)
Very few naturally aspirated vehicles respond to a tune as well as the F12
Replace your heavy restrictive BMW log-shaped OEM factory muffler with our Muffler bypass exhaust system for more sound and weight reduction
DISCLAIMER: This product removes the OEM catalytic converters from the vehicle
The V8 gave up very impressive midrange gains and our tune provides a great increase in drivability without having to drive the car like it's in the middle of a chase to realize the extra power
Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software Race Technologies BMW E90/91 sedan/wgn pre-LCI all-nosesPerformance ECU software upgrade improves horsepower, torque, and driving characteristics of the AMG GT's M178 4. 0L V8 Bi Turbo Engine by reprogramming various sensor inputs, air fuel ratios, and boost pressure. NOTE: This is not a physical shipped product. This upgrade requires you to send us your ECU for re programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. Special requests
