RENNtech ECU Upgrade | Bentley Continental Flying Spur Speed | 640HP/575LB-FT maserati-levante--2017-present--s-v6-430-ps-esr3335661 691 HP 694 LB-FT W222

691 HP   694 LB-FT   W222 - AMG S 63 ECU Upgrade

RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved

Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range

Crankshaft Pulley and Upgraded Intercooler Pump

Our complete suspension conversion allows full adjustment without the need to purchase an entire coilover conversion kit and comes with an adjustment tool to make on-the-fly suspension adjustments

RENNtech ECU Upgrade | Bentley Continental Flying Spur Speed | 640HP/575LB-FT maserati-levante--2017-present--s-v6-430-ps-esr3335661 691 HP 694 LB-FT W222RENNtech ECU Upgrade for Bentley Continental Flying Spur Speed. Up to 640HP 575LB FT Gains: +40HP & +22LB FT Our proprietary Bentley 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 our