RENNtech ECU Upgrade 135i E82 (2008-2010 Manual & Steptronic N54B30) audi-s4--b9---2017-2024--3-0l-turbocharged-v6-tfsi-esr1699755 + 138 LB-FT

+ 138 LB-FT

0" | Rear: 22" x 12

the RENNtech BOV adapters are anodized in black and laser-etched

giving you complete control over the exhaust sound regardless of speed

Qualified engineers using advanced software and expert technicians using the latest technologies produce BMC air filters

RENNtech ECU Upgrade 135i E82 (2008-2010 Manual & Steptronic N54B30) audi-s4--b9---2017-2024--3-0l-turbocharged-v6-tfsi-esr1699755 + 138 LB-FTRENNtech ECU Upgrade 135i E82 (2008 2010 Manual & Steptronic N54B30). Up to 420 HP + 435 TQ. Gains: +120 HP +135 LB 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, though