Tag Archives: Power upgrade

The BMW XM has never been a subtle machine. Even in factory form, the large performance SUV already delivers serious power. Yet for tuners, “serious” rarely means “enough,” and G-Power appears determined to prove that point once again. The German tuner has developed several upgrade packages for BMW’s standalone XM model, and the most extreme of them is named GP-1000....

There is something deliberate about the way dAHLer approaches the BMW M4 Competition Convertible G83. The numbers increase, yes, and quite substantially, yet the structure underneath remains untouched in principle. This is not a dramatic overhaul; it is an engine performance tuning module designed to integrate with the factory setup rather than override it. The upgrade is TÜV-approved and EPA-compliant....