ECU remapping - BMW S55 Application

T21-INDUSTRIES X BMW S55 – First Class OE Quality

The BMW S55 is an inline six-cylinder engine with twin exhaust turbochargers and four-valve technology, which made its debut on the world market in 2014. The S55 is a further development of the BMW AG N55. The engine was produced from 2014 to 2020.

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
• Optional with registration

After Purchase:

You will receive an email to schedule an appointment. Duration of calibration/individual adjustment: 2-5 business days.

Stock Power:

• M2: 410 HP / 550 Nm
• M3 & M4: 431 HP / 550 Nm
• M4 Competition: 450 HP / 550 Nm
• M4 CS: 460 HP / 600 Nm
• M4 GTS: 500 HP / 600 Nm

T21xS1 (Stage 1):

Stage 1 includes only a software modification to the engine control unit. The calibration is based on 100 octane and requires no hardware changes. The vehicle may be operated with 98-102 octane fuel. (In exceptional cases, 95 octane is also acceptable.)

510 HP / 630 Nm – VMAX unlocked

T21xS1+ (Stage 1+):

Stage 1+ includes only a software modification to the engine control unit. The calibration is based on 102 octane and requires no hardware changes. The vehicle may be operated with 100 octane fuel. (In exceptional cases, 98-95 octane is also acceptable.)

550 HP / 700 Nm – VMAX unlocked

T21xS2 (Stage 2):

Stage 2 includes a software modification to the engine control unit. The calibration is based on 102 octane and requires hardware changes to the exhaust system (high-flow downpipe and OPF delete required!). The vehicle may be operated with 100 octane fuel. (In exceptional cases, 98-95 octane is also acceptable.)

600 HP / 770 Nm – VMAX unlocked

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.