2013 - 2020 Mercedes Benz SL550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning N55 Older BMW models (E36/E38/E39) may
Description
Older BMW models (E36/E38/E39) may require a 20-pin to OBD2 adapter to access all modules
We may also have an alternative to change the VIN and disable the IMMOBILIZER from the donor ECU when possible
Stage 1 N63 550i ECU Tune improvements on stock hardware:
VS30 OM642 Sprinter Tuning: Stage 1 Performance Gains
2014-2020 BMW M4 (F82) S55 MEVD17
2013 - 2020 Mercedes Benz SL550 - M278 V8 Bi-turbo 4.7L - Performance ECU Tuning N55 Older BMW models (E36/E38/E39) mayPerformance Flash Tune for Mercedes Benz SL550 R231 with M278 4. 7L V8 Bi Turbo Engine with MED17. 7. 1 MED17. 7. 3 ECU. SL550 M278 Stage 1 Performance Tune gains: 76WHP @ 3500RPM 118WTQ @ 3500RPM Performance tuning modifies torque limiter maps, boost levels, fuel maps, ignition timing advance maps and more. All to help safely increase HP TQ, while keeping good drive ability and factory fail safes limp protection in place. Factory emissions remain
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy




















