AMR ECU UPGRADE | 2021-2025 BMW M3
2021 BMW 3 Series (G20/G80) M3 (3.0T I6) - 473HP
Price: $2999.99 USD
AMR Performance’s ECU software is engineered to give you more of everything you enjoy more power, more torque, and a far more responsive car. Enhanced throttle mapping and refined torque control deliver real, usable performance, especially through the mid‑range where acceleration becomes significantly quicker. Your original ECU settings are always backed up, so returning the vehicle to stock is as simple as flashing it back.
Specifications
| Vehicle | 2021 BMW 3 Series (G20/G80) M3 (3.0T I6) - 473HP |
|---|---|
| Category | ECU TUNING |
| Power increase | Up to 150 hp / 200 tq (Stage 1) |
| Fuel requirement | 91/93 Octane |
| Hardware required | None |
| Flash method | ECU SHIP-IN -or- DEALER FLASH |
| ProTuner supported | No |
| SKU | AMR.BMW.G80M3.CAL |
Frequently Asked Questions
- Does the AMR ECU UPGRADE | 2021-2025 BMW M3 fit a 2021 BMW 3 Series (G20/G80) M3 (3.0T I6) - 473HP?
- Yes. This ECU TUNING is developed specifically for the 2021 BMW 3 Series (G20/G80) M3 (3.0T I6) - 473HP.
- How much power does the AMR ECU UPGRADE | 2021-2025 BMW M3 add?
- Up to 150 hp / 200 tq (Stage 1).
- What fuel or octane does it require?
- 91/93 Octane.
- What hardware is required?
- None.
- How is it installed?
- ECU SHIP-IN -or- DEALER FLASH.
- Is the AMR ECU UPGRADE | 2021-2025 BMW M3 ProTuner supported?
- Contact AMR Performance for tuning support options.