Unitronic is pleased to offer a transmission tuning solution for 8Y RS3 customers featuring a genuine Bosch DQ501 Unlocked TCU. This unit completely replaces your existing TCU and is expertly prepared and VIN-synced making it ready for plug-n-play installation into your gearbox.

Installation is straight-forward with the proper tools equipment and install guide. Unitronic has made it even more simple with its optional Install Kit equipping you with all the service items and hardware you may need to perform this job especially if you're due for a gearbox service.

If you're interested in taking advantage of this upgrade Unitronic TCU Software is required.

NOTE: When purchasing this upgrade please be prepared to provide Unitronic with your TCU ID TCU Revision and VIN to ensure the unit can be properly configured for your specific vehicle.

Contact Patterson Performance for more details.