The best performance software available for your E46 325 or 330, or E39 525 or 530. (MS45.1 equipped M54.)
This includes tunes for the ZHP variant of the 330.
Stage 1 is our performance tune on a stock vehicle.
Stage 2 is a performance tune for catless headers. (For off road use only.)
Stage 3 is a performance tune with catless headers and no rear O2 sensors (For off road use only.)
ECU can be shipped to us for programming or we can flash remotely with our TRM MS45 remote flashing software. A flashed ECU is also available if you select “buy an ecu”, though subject to availability. Email first if you would like an ECU provided to inquire about timeline for shipping.
For CAM tunes, or just to get the most out of your car, we recommend a custom tune.