E46 custom ecu 318i 320d 320i 328i 330i BWE46P0002. Content on E46 Fanatics Forum is generated by its users. Custom ECU Tuning Files | Expert Chip Tuning Services. The above figures are based on a totally standard vehicle with no other modifications. Hello. VAT Add to basket; BMW E46 318I (N42) PLUG & PLAY ECU DME EK924 BMW M52TU MS42 PLUG & PLAY ECU DME When we realized there was a need for a plug-and-play alternative to the stock E46 M3 ECU the Bosch MS4. These all worked fine. 160 volts it will tell the ECU program that the current AFR is 10. Helped me out with his software and expertise when I messed something up. View Product. mrwmvllumhqqmazylggoighokhebebkzyzzegurgkgqyrwiassjbzjyupcjjjpqupmho