Fabspeed BMW (G20) M340i XperTune Performance Software (2019+)
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: BMW M340i (G20), 2019+
For off-road / competition use only. Not legal for use on public roads in the United States, including California.
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
XperTune Performance software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure. Achieve maximum power from the BMW M340i without sacrificing driveability or reliability by optimizing the engine's performance. FEATURES: For all BMW G20 M340i 2019 - June 2020 Models worldwide More power and throttle response Increased driveability Even more gains can be made with bolt on performance parts NOTES: While a vehicle equipped with bolt-on upgrades will experience maximum gains as a result of the increased efficiency of the engine, great power gains can be made on a completely stock vehicle! This is not a physical/shipped product. This upgrade requires you to send us your ECU for re-programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out.
Brand: Fabspeed · Part #: FS.BMW.M340.ECU
For off-road / competition use only. Not legal for use on public roads in the United States, including California.
BMW M340i (G20), 2019+
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Free US shipping on orders over $250.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Pairs well with
bootmod3 B58 Tune (BMW F/G-Series & A90 Supra)
UsedGen 1 B58 DME (used)
Fabspeed BMW M240i XperTune Performance Software
