R1 Performance Package | R230 | SL 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 audi-r8-5-2l-fsi-esr7397881 5 Series TOURING (E61) 525

5 Series TOURING (E61) 525 d (HP: 177 | Year: 04 > 07)

R2 Performance Package for the W205 - C 63 AMG includes:

+58 HP / +52 LB-FT

The RENNtech Stage I M256 Turbo Upgrade isn’t just an OEM turbo charger with machined internals

McLaren GT

R1 Performance Package | R230 | SL 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 audi-r8-5-2l-fsi-esr7397881 5 Series TOURING (E61) 525R1 Performance Package for 230 SL 55 AMG Kompressor. Includes ECU Upgrade, Crankshaft Pulley and Upgraded Intercooler Pump. Up to 538HP and 566LB FT. Gains: +45HP & +48LB FT Performance package R1 includes our proprietary HHT Hand Held Tuner ECU Upgrade and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: