RENNtech ECU Upgrade 335iS E92/E93 (2010-2011- Manual & DCT N54B30to 3.0L Biturbo) porsche-cayenne--9pa----1-gen--gts-esr3998301 If the stock system has

If the stock system has integrated exhaust valves (the Porsche sport exhaust)

R2 Performance Package for 197 - SLS AMG GT

Mercedes-AMG SL 55 & GT 55 (MY2022-2026 | C192 & R232 | M177 | 4

510 HP @ 6800 RPM

CLASS E (W 211) 500 V8 4-matic [2 Filters Required] (HP: 306 | Year: 05 > 06)

RENNtech ECU Upgrade 335iS E92/E93 (2010-2011- Manual & DCT N54B30to 3.0L Biturbo) porsche-cayenne--9pa----1-gen--gts-esr3998301 If the stock system hasRENNtech ECU Upgrade 335iS E92 E93 (2010 2011 Manual & DCT N54B30to 3. 0L Biturbo). Up to 420 HP + +435 TQ. Gains: +100 HP & +103 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