RENNtech ECU Upgrade for BMW 1M Coupe E82 (2012- N54B30to 3.0L Biturbo) mercedes-benz-slc-class--172---2016-present--slc-43-amg-esr5326223 C167 - GLE Coupe GLE53

C167 - GLE Coupe GLE53 AMG (Airmatic Optional)

though our tuning software and approach for the Rolls Royce Dawn is completely unique and independent from our Mercedes tuning program

W213 - E 53 AMG Sedan

Compared to power numbers by Mercedes-Benz

RENNtech ECU HHT (HandHeldTuner) for the 215 - CL 55 AMG

RENNtech ECU Upgrade for BMW 1M Coupe E82 (2012- N54B30to 3.0L Biturbo) mercedes-benz-slc-class--172---2016-present--slc-43-amg-esr5326223 C167 - GLE Coupe GLE53RENNtech ECU Upgrade for the BMW 1M Coupe E82 (2012 N54B30to 3. 0L Biturbo). Up to 420HP and 435TQ. Gains: +85 HP & +103LB FT 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,