Description
2018 BMW M4 ECU tuning.
Published factory figures: 431 HP, 406 TQ.
Stage 1: 540 HP, 540 TQ, Stock exhaust.
Stage 2: 575 HP, 575 TQ, Downpipes Required.
Stage 3: 590 HP, 590 TQ, Upgraded turbos.
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.
Remote OBD programming uses the supplied cable, TeamViewer, and a Windows 7-or-newer laptop. Staff review the available calibration functions during the appointment.
DME recommends spark plugs one heat range colder.
Recommended spark-plug and primary O2-sensor replacement interval: 20,000 miles.
OBD-cable delivery is charged at checkout.
