AEM Programmable Engine Management System - 01-06 BMW M3 E46
The Infinity ECU for the 2001-06 BMW E46 M3 includes an application-specific start-up calibration and connects to the E46 M3 via a Plug & Play harness that is designed to fit in the factory location (sold separately, PN 30-3510). Begin by determining which Infinity ECU will best support the ancillary components in your manual transmission E46 M3 using the Infinity Specifications Chart in the "Specs" tab. The manual transmission 2001-06 BMW E46 M3 Plug & Play includes several unique features that incorporate the BMW’s factory CAN bus system (see "Features" tab).
A Complete Stand Alone ECU for the E46 M3 or S54 Swap
The Infinity ECU combines with the Plug & Play harness to replace the E46 M3’s factory ECU. It controls all of the engine functions including the VANOS variable cam control system and Drive by Wire (DBW) system.
Plug & Play Harness with Expansion Port
AEM’s sealed, weatherproof Plug & Play harness (sold separately) includes dual Lambda connectors, an AEMnet connector for communication with other AEMnet enabled devices and an auxiliary connector with a Deutsch DTM 12P connector for adding common aftermarket sensors including fuel pressure, air inlet temperature, MAP, boost control solenoid and ethanol content. The expansion port also includes a sensor ground, 5v reference, power from relay and high side output for activating a solenoid, and switched inputs for auxiliary radiator fan, boost target and no-lift shift.