B58 Gen1 Swap (F-Series)
€1000Run a B58 Gen1 engine standalone in any chassis — guided, single VIN.
A B58 swap with the ECU running in "standalone" mode (without swapping all other modules) is notoriously tricky. Together with KM Tuning we spent months testing on track, starting in early 2023. By late summer 2023 our F22 M240i test car ran properly with only DME + FEM — no extra ECUs.
We've finished the automation so anyone can do it without bespoke engineering time — the standalone patch is applied by 1769Flash itself. No bench work, no third-party unlock services.
General instructions
- 1.Make sure the car starts and can move forward/backward. The entire ENGINE HARNESS must remain stock (everything to the DME except the A368*1B connector). Do not hard-wire pumps to full speed or any custom wiring modifications of that sort.
- 2.Purchase the B58 Gen1 Swap solution — the single-VIN engine license and Logging are included.
- 3.Follow the email instructions to activate your 1769Flash license. After activation, connect to the car and press the "Identify" button.
- 4.Go through the initial installation. You will see a window which lets you choose OTS maps, transmission type, and custom code options. Standalone base patches are included and applied automatically during the initial installation. Afterwards, you can read/write the calibration area (if our OTS maps don't fit your needs) and log your car.
⚠ Do NOT enable additional features unless your hardware is wired exactly per instructions. Incorrect use may damage the ECU and/or engine.
What's included
- ✓Standalone patch — works with ANY transmission (MT/AT/DCT/Sequential)
- ✓Single-VIN engine flashing license (code + calibration read/write)
- ✓Logging (fast PID + RAM logging)
- ✓OTS maps & custom-code features — activation included
OTS maps
As of 10.08.2025OTS Stage 2 · 98 RON requires TU pump; on our test car | ~500 hp / 700 Nm |
OTS Stage 2+ · E40 requires TU pump; on our test car | ~570 hp / 800 Nm |
Custom-code features
- Additional Cooling — For cars with the radiator in the trunk and additional coolant pump and fans.
- Switched Antilag — For cars with switched antilag — keeps the boost even while off throttle.
- Torque Knob — Lower the torque by analog input — better traction in rain, saves tires during training runs.
✔ Detailed wiring instructions are available at flash.1769.fi after purchase.
⚠ Do NOT activate these unless your wiring matches the instructions exactly.
Before you buy
- This swap is only compatible with vehicles running engine code B58B30M0.
- Check your VIN and engine generation before purchase — there is no refund for an incompatible swap purchase.
Check your car before you buy — enter your VIN to confirm the B58 Gen1 Swap (F-Series) fits. Solution purchases are non-refundable when incompatible.
Check your VIN
Enter your 17-character VIN to see what we know about your car.