Description
2020 BMW M5 Competition ECU tuning.
Published factory figures: 617 HP, 553 TQ.
Stage 1: 740 HP, 720 TQ, Stock exhaust.
Stage 2: 760 HP, 740 TQ, Downpipes Required.
Stage 3: 780 HP, 760 TQ, E30 Fuel.
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.
DME recommends spark plugs one heat range colder.
Recommended spark-plug and primary O2-sensor replacement interval: 20,000 miles.
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.





