RENNtech ECU Upgrade 335d E90 (2007-2011- N73N2 Steptronic Diesel) mercedes-benz-c-class--205-coupe---2016-2023--c43-amg-esr9043036 Minimizes bump steer that exists

Minimizes bump steer that exists on OEM subframe

Note: Mercedes M137 engine performance when measured obtains higher numbers that rated from factory

factory settings do NOT allow the flaps to fully open unless certain speed and/or RPM have been reached

R1 Performance Package for 199 - SLR McLaren

Engineers have spent months developing a Slip-On exhaust system that takes the driving experience to a completely new level

RENNtech ECU Upgrade 335d E90 (2007-2011- N73N2 Steptronic Diesel) mercedes-benz-c-class--205-coupe---2016-2023--c43-amg-esr9043036 Minimizes bump steer that existsRENNtech ECU Upgrade 335d E90 (2007 2011 N73N2 Steptronic Diesel). Up to 346 HP + 480 TQ. Gains: +81 HP & +55 TQ. Our proprietary BMW ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our