Description
2024 BMW M3 Competition ECU tuning.
Published factory figures: 503 HP, 479 TQ.
Stage 1: 620 HP, 600 TQ, Stock exhaust.
Stage 2: 640 HP, 620 TQ, Downpipes Required.
DME retains the original ECU calibration for returning the vehicle to stock. The calibration changes throttle response and torque management.
Listed functions: octane-specific calibration; downpipe (off-road use only); speed-limiter changes; cold-start control; burble adjustment where available.
Mail the ECU for programming. Instructions are emailed after checkout; include the completed ECU Information form downloadable from the homepage.
The buyer pays shipping in both directions; the return charge is added at checkout.
