2014–2018 BMW i8 (I12)
Browse our directory of 2014–2018 BMW i8 (I12) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2014–2018 BMW i8 (I12) has 3 known issues. 3 are moderate concerns worth inspecting before purchase.
Door Strut Failure
ModerateThe heavy butterfly doors rely on gas struts to stay open. When they fail, the door falls on your head.
Est. repair cost: £200–£400
REx Fuel Pressure Sensor
ModerateThe fuel tank for the range extender is pressurized. The pressure sensor can fail, preventing the fuel filler flap from opening.
Est. repair cost: £300–£600
Steering Rack Knock
ModerateSimilar to other BMWs of the era, the steering rack can develop internal play and knock over bumps.
Est. repair cost: £1,000–£2,000
Buying Tips for the 2014–2018 BMW i8 (I12)
- ✓Check the high-voltage battery health using the iDrive hidden menu to see the 'Max Kappa' reading, indicating degradation.
- ✓Inspect the spectacular dihedral 'butterfly' doors; ensure the gas struts hold them up securely, as they weaken over time.
- ✓Test the air conditioning to ensure it blows ice cold; the A/C compressor also cools the high-voltage battery, and a failure can be catastrophic.
- ✓Look for any cracks or damage to the CFRP (carbon fibre) body shell or sills, as repairs require highly specialized, expensive composite work.
- ✓Verify the petrol engine starts seamlessly when the battery is depleted or when switching to 'Sport' mode.
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