Fabspeed
FABSPEED Porsche 718 GT4 RS Intake Decals
$36.95
Fabspeed
FABSPEED Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software
$2,294.95
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Fabspeed Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software
Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M278 4.7L V8 BiTurbo 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 and tune file upgrades may be subject to additional fees.
Fits all Mercedes-Benz 550 M278 4.7L V8 BiTurbo Vehicles: E-Class / S-Class / CL-Class / CLS-Class / SL-Class / M-Class / GLE-Class / GL-Class / GLS-Class
Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time
Manufacturer SKU: FS.MER.M278.ECU. Select the verified configuration for your vehicle.
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