Description
2013 BMW X3 xDrive 35i ECU tuning.
Published factory figures: 306 HP, 295 TQ.
Stage 1: 420 HP, 400 TQ, Stock exhaust.
Stage 2: 440 HP, 420 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.
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.
