BMW E46 M3 ECU Upgrade
BMW E46 M3 ECU Upgrade
FREE - MoTeC GPS-L10 included with every Calibrated Performance ECU Upgrade Kit purchase until the end of Wednesday, 30th September 2026
Taxes and Shipping Calculated at checkout
CP BMW E46 M3 ECU Upgrade
Vehicle Manufacturer: BMW
Model: E46 M3
Years: 2000-2006
Transmission: Manual
Full standalone ECU upgrade with full integration with the factory BMW systems, to release the maximum performance from your S54 engine!
Completely plug and play for the BMW E46 M3, with all the OEM systems fully operational. Installation is trouble-free, with made to measure wiring assemblies and all required sensors. Each kit is shipped with a fully developed base file ensuring everything works straight from the box!
All channels can be recorded using the on-board datalogging facility, reviewable via MoTeC's market leading i2 software, with full track mapping available via the optional GPS upgrade.
- All OEM gauge cluster features
- All CAN channels available for data logging
- Full engine tuning capabilities, with highly accurate Torque Model
- MoTeC's advanced engine control model for accurate, reliable results
- Datalogging for 200 channels @ 200hz (upgradable to 2000 channels @ 1000hz)
- Advanced engine protection functions
- Adjustable Motorsport traction control - fully configurable
- Adjustable Launch Control
CP BMW E46 M3 Upgrade package includes:
- MoTeC ECU with Level 2 Datalogging
- CP BMW E46 specific firmware with advanced features
- Motorsport Traction Control
- Torque Modelling and Control
- Launch Control
- Water/Meth Injection
- Adapter Harness
- Made to measure sensor harness with inputs available for:
- Engine Oil Pressure
- Engine Oil Temperature
- Inlet Manifold Sensors
- Fuel Pressure
- Lambda Controller
- MoTeC Lambda Controller
- Bosch Lambda sensor
- Inlet Manifold Sensors
Expert Support Included
Every kit comes with one hour of dedicated support from one of our performance engineers. We'll guide you through installation, get your system running, and handle basic sensor checks. Quick setup questions are available live whenever you need them—no booking required. For deeper troubleshooting requiring remote diagnostics or data analysis, we'll schedule a one-on-one session with one of our experts within your included hour. Ready to extract every last bit of performance from your setup? Our Remote Support Package gives you ongoing access to our engineers for custom tuning, bespoke builds, and advanced optimization.
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