APR TCU Upgrade - 8 Speed Tiptronic (AL552 ZF 8HP55) (B9/B9.5)

ARP

$929.43
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SKU:
TCU-AL552
Availability:
Please Call or email us for an appointment
Tuning Note:
In-house tuning only. For at-home tuning, please purchase the APR Ultralink dongle separately. You’ll buy the software during the installation process.
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Overview

APR's TCU Upgrade dramatically improves upon the transmission's function, drivability, and performance through a myriad of enhancement and custom features. Normal daily driving is smoother as we've improved upon the normal quirks and complaints associated with the driving experience. Sporty driving is far more capable with increased torque capacity, clamping pressure, torque management during shifts, AMAX in all gears, and optimized shift point! Both scenarios are optimized to deliver faster acceleration by matching the power output delivered by our ECU Upgrades. Lastly, the software loads to the factory TCU through the OBD-II port, resulting in a clean and headache-free install.

Features:

  • Optimized shift points for faster acceleration and smoother driving
  • Shift points for both stock and big turbo setups at no additional charge
  • Increased maximum allowable torque for higher output
  • Increased clutch clamping pressure to hold more torque
  • Optimized torque management during shifts for smoother and stronger shifts
  • AMAX maximum acceleration shifting mode enabled on all gear shifts
  • Increased maximum RPM on big turbo software
  • Disabled auto upshift in Tiptronic mode (optional)
  • Works perfectly with our ECU Upgrades
  • Flash counter does not increase with each flash
  • Direct OBDII port flash (No TCU removal)
  • Free lifetime updates

 

 
Performance notes: When updating the TCU, always check for and update to the latest ECU version, if available. We have only validated our TCU upgrades while using our ECU upgrades. When not using both in combination, various behaviors and features may not be predictable or as described.
 
 
 

In-house tuning only. For at-home tuning, please purchase the APR Ultralink dongle separately. You’ll buy the software during the installation process.