AC Schnitzer performance upgrades offer a unique solution to boosting your car's performance while retaining warranty cover on your car. Every AC Schnitzer performance upgrade delivers a substantial performance increase and comes with a 2 year* warranty from AC Schnitzer on the engine and drivetrain to run alongside your BMW warranty.
For the 550i power is increased to 500hp (standard 407hp) with a corresponding increase in torque. The top speed limit is removed. Engine optics are included.
For this upgrade the car's ECU must be sent to AC Schnitzer Germany for modification. We will contact you with details after purchase.
*extendable to 3 years at the time of purchase. Conditions apply.