BMW M3 E90 – Stage 2 98RON

Etuners stage 2 tune and upgraded cat back exhaust . Impressive gains of approx 20kw at wheels throughout the entire rev range with a big improvement torque . Upgrade specifications Stage 2 ECU remap Upgraded full exhaust Performance modifications Removal of stock torque limitations. Increasing the maximum speed limiter for race use. Increasing the rev
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