RENNtech ECU Upgrade 535i/ix LCI E60 (2006-2009 Manual & Steptronic N54B30) mercedes-benz-gle-class-coupe--292---2016-2020--gle-400-esr7114246 Gains: +115 HP & +133

Gains: +115 HP & +133 LB-FT

Performance-Series Features:

6 Series (F13) 640 i (HP: 320 | Year: 11 >)

Solid color finishing is included as a standard option

order lead times and new vehicle developments have reached optimal efficiency

RENNtech ECU Upgrade 535i/ix LCI E60 (2006-2009 Manual & Steptronic N54B30) mercedes-benz-gle-class-coupe--292---2016-2020--gle-400-esr7114246 Gains: +115 HP & +133RENNtech ECU Upgrade 535i ix LCI E60 (2006 2009 Manual & Steptronic N54B30). Up to 420 HP + 435TQ. 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,