RENNtech R1 Pkg | S212 | E 63 (S) AMG | Wagon | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo bmw-7-series--e66---2001-2008--esr3332914 As with the front splitter

As with the front splitter

604 HP @ 6800 RPM

CLASS E SW (S 212) 550 [2 Filters Required] (HP: 408 | Year: 11 > )

Please ask a representative about this option prior to purchasing or installing the Stage II Turbo Upgrade

RENNtech R1 Pkg | S212 | E 63 (S) AMG | Wagon | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo bmw-7-series--e66---2001-2008--esr3332914 As with the front splitterR1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +149HP; +257LB FT The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade and the latest, 3rd generation Diverter Valve RENNtech is able to add up to 149 HP and 257 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve