BMW i3 REx Mobile Repair
Range Extender Specialists | Generator Diagnostics London
Booking Office
07779 836677Direct REx Tech
07448 457247REx Failed to Start
The most common i3 fault. Usually caused by fouled spark plugs or a failed REx relay. We diagnose ignition issues and replace high-voltage relays on-site to restore generator function.
- Relay Replacement
- Spark Plug Service
- Ignition Coil Test
- Error Code Reset
Fuel System Errors
BMW i3 tanks are pressurized. If the "Fuel Tank Filling" message hangs or the flap won't open, the TASH sensor or solenoid is faulty. We repair fuel system pressure issues mobile.
- Solenoid Repair
- Flap Manual Release
- Pressure Sensor Fix
- Stale Fuel Drain
Generator Servicing
The REx engine requires specialized 0W-30 oil and specific filter access. We provide full REx servicing on your driveway, including air filter and oil changes for London commuters.
- 0W-30 Oil Change
- Filter Replacement
- Maintenance Mode
- Coolant Level Check
Drivetrain Malfunction
A "Drivetrain Malfunction" can be triggered by REx communication errors. We use dealer-level software to differentiate between HV battery faults and REx mechanical glitches.
- EME Communication
- Sensor Calibration
- Temp Sensor Repair
- Logic Recalibration