APR TCU Upgrade - 8 Speed Tiptronic (AL552 ZF 8HP55) (B9)

Compatibility

Fitment information

Application

The APR TCU Upgrade unlocks a significant power increase for the 3.0T supercharged engine, boosting horsepower by an impressive 25-35 HP.; By raising shift points by up to 1,000 RPM, this upgrade fully optimizes the engine's powerband.; Faster upshifts and downshifts are now achievable in all driving modes, with the added benefit of AMAX (Maximum Acceleration) mode, which maximizes torque output between shifts during vehicle launches.; Optimized Powerband Usage: Maximizes engine potential with up to 1,000 RPM higher shift points.; AMAX Mode: Delivers maximum torque output between shifts for faster vehicle acceleration.; Optimized Wide Open Throttle Shift Points The factory wide open throttle (WOT) shift points are calibrated for the stock vehicle output.; The supercharged 3.0T engine reaches peak power roughly 1,000 RPM higher than the factory shift points.; Optimized Shift Strategies Our TCU upgrade fine-tunes the transmission’s shifting behavior based on the vehicle’s driving mode, whether you’re braking, accelerating, or shifting under different torque loads.

Product selection

Before you order

• Match the supplier part number and listed application to your vehicle.
• Check the dimensions and product specification before ordering.
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Delivery: UK delivery is £7.99, free on orders of £100 or more. Dispatch timing depends on the item and supplier.