AC Schnitzer 'Performance Upgrade' for XM G09 Engine:XM G09 (S68X) >03/2026 Petrol 550 kW / 748 hp PFR85-815-21

PFR85-815-21

5 S6 or S7 is an easy and fast way to add an aggressive V8 sound

VWR494101 MIDNIGHT BLACK  /  VWR494100 TITANIUM SILVER

All Forge Motorsport Dual- Piston Atmospheric Valves have been designed and built with the intent of venting 100% of the residual charge air remaining in your forced induction system to the atmosphere at throttle lift

AC Schnitzer 'Performance Upgrade' for XM G09 Engine:XM G09 (S68X) >03/2026 Petrol 550 kW / 748 hp PFR85-815-21Philosophy Technology Engine tuning and performance upgrades have a long tradition at AC Schnitzer. To be on the safe side, we forgo achieving the possible maximum power in favour of greater durability. Many of our performance upgrades are therefore designed to increase torque rather than horsepower. After all, torque is what you feel when, for example, you are "pressed into your seats" when moving off. Petrol The performance upgrade consists of a