BMW i4 Mobile Diagnostics
Gen5 eDrive Specialist | Advanced Fault Tracing London
Diagnostic Bookings
07779 836677Direct Master Tech
07448 457247Drivetrain Malfunction
The i4 may display "Drivetrain: Continued driving possible" or "Reduced Power." We use ISTA+ dealer software to identify whether the fault lies in the inverter (EME) or the drivetrain sensors.
- EME Diagnostics
- Power Reduction Reset
- Sensor Calibration
- HV System Health Check
CCU & Charging Faults
Issues with the CCU can cause interrupted charging or a "Charging Malfunction." We perform deep logic resets on the charging module and test the high-voltage safety interlocks mobile.
- CCU Logic Reset
- Interlock Diagnosis
- AC/DC Handshake Test
- Port Lock Actuator
Battery Cooling Service
The i4 high-performance battery requires precise cooling. Faults in the electric water pumps or coolant valves can throttle charging speeds. We diagnose thermal management errors mobile.
- Coolant Pump Test
- Valve Actuation
- Thermal Sensor Scan
- Isolation Leak Test
Software & 12V Logic
Glitches in the iDrive 8/8.5 system can affect EV performance. We diagnose 12V auxiliary battery drainage and perform module coding to resolve phantom "System Error" messages.
- iDrive 8 Logic Reset
- 12V Load Testing
- Module Re-Coding
- Remote Key Coding