Tuning the BMW ZF automatic gearboxes with XHP Flashtool
So you’ve heard of XHP…but don’t have an Android device, or are worried about damaging your car?
So you’ve heard of XHP…but don’t have an Android device, or are worried about damaging your car?
What is Water Methanol Injection? Why does my car need it? How does it work? – We answer all your questions & more, using a completely stock BMW 335D to see exactly what the Devilsown kits are capable of!
How we extracted 700BHP from the E63S whilst retaining reliability & drivability – We look at the work involved in developing the perfect tune for the E-Class.
Search our ECU tuning options to increase the power and torque of your vehicle and our wide range of performance parts.