ECU remapping - For BMW transmission tuning

T21-INDUSTRIES X ZF Automatic Transmission – First Class OE Quality

The automatic transmissions from ZF are found in almost all BMW AG vehicles and offer several advantages. These include smooth and efficient performance, fast and precise shifting, as well as high reliability and durability. ZF transmissions are also known for their adaptability to various driving conditions and driving styles.

Advantages of Transmission Tuning:

• Faster shift times
• Torque adapted to engine power
• Valve pressure increased
• Torque converter lockup (TCC) adjusted

Advantages of the T21 Application over other tuning solutions:

• Development to vehicle manufacturer standards
• Full component protection
• Cold climate / hot climate testing
• 100% development Made in Germany (Paderborn)
• Individual coordination of the tuning
• Explanation of the modified engine maps

ZF 5HP:

• TCC valve adjustment
• Shift speed adjustment

ZF 6HP:

• TCC valve adjustment
• Shift speed adjustment
• Torque model adjustment
• Gear display in D

ZF 8HP:

• TCC valve adjustment
• Shift speed adjustment
• Torque model adjustment
• Gear display in D

Note:

• 6HP installed in some F01 models!
• 8HP installed in some E84 models!

After Purchase:

You will receive an email to schedule an appointment. Duration of calibration/individual adjustment: 1-2 business days.

Notice Regarding the Use of Our Products

Our products are intended exclusively for motorsport purposes, export vehicles, or use outside of public roads.

⚠ Legal Notice:

• Our software, ECU modifications, and vehicle optimizations are not approved for use on public roads, unless expressly stated otherwise.
• Any use on public roads without valid registration or individual approval is not permitted and is undertaken at the buyer's own responsibility.
• By purchasing our products, the customer expressly agrees to use them only in accordance with applicable laws and regulations.

Option for Individual Approval

For many of our products, an individual approval by TÜV or another testing organization can be obtained. ➡ We recommend informing yourself about the individual approval requirements before installation. ➡ If you have questions about a possible approval or registration, we are happy to provide advice.

Disclaimer

• T21-Industries GmbH assumes no liability for improper or illegal use of our products.
• The customer is solely responsible for compliance with applicable laws.
• Any manipulation of vehicle control units that leads to a change in emissions or safety values can have legal consequences.

By purchasing and using our products, the customer agrees to these terms and conditions.