9% torque with Stage 1 ECU Remap on BMW 3 Series 330i 172 KW (1998-2005)
Chip Tuning ChipPower GS2 Suitable for BMW 3 Series E46 330i 168 kW 228 HP 1998-2007 Chip Tuning Box Petrol Performance Increase and Fuel Saving : Amazon.de: Automotive
BMW E46 330i ZHP Project Car | Turner Motorsport
Chip Tuning Box for BMW 3 series E46 330i xi Ci 231 HP Power Boost Petrol GS2 | eBay