Description
2025 BMW XM ECU tuning.
Published factory figures: 653 HP, 590 TQ.
Stage 1: 850 HP, 810 TQ, Stock exhaust.
Stage 2: 870 HP, 830 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.
The source advertises support for 2021+ BMWs built from 06/2020.
Advertised unlock turnaround: 2 business days.
The advertised package includes unlocking, tuning and shipping.
Disable iDrive automatic updates: Car > Settings > General Settings > Data Privacy > No Service. Decline app updates; Updates can relock the ECU and erase the tune/unlock.
