RENNtech ECU Upgrade 335i/iX E90/E92/E93 (2007-2010 Manual & Steptronic N54B30) mercedes-benz-gle-class--166---2016-2020--gle-400-esr4461593 CLASS GLK (X 204) 300

CLASS GLK (X 204) 300 4-matic [2 Filters Required] (HP: 231 | Year: 09 >)

the new setting is uploaded and the car will adjust to the new height

Rtic | 30oz

The end result is nothing short of spectacular with the RENNtech turbo package gaining up to 178 hp and 109 lb-ft

CLASS S LONG (V 220) 500 V8 4-matic [7 gear] [2 Filters Required] (HP: 306 | Year: 03 > 05)

RENNtech ECU Upgrade 335i/iX E90/E92/E93 (2007-2010 Manual & Steptronic N54B30) mercedes-benz-gle-class--166---2016-2020--gle-400-esr4461593 CLASS GLK (X 204) 300RENNtech ECU Upgrade 335i iX E90 E92 E93 (2007 2010 Manual & Steptronic N54B30). Up to 420 HP + +435 TQ. Gains: +120 HP 135 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,