BMW i8 (I12)
The BMW i8 is a futuristic plug-in hybrid sports car that still looks like a concept vehicle on the road today. Positioned as a technology showcase, it utilizes a lightweight carbon-fibre reinforced plastic (CFRP) tub, a small 3-cylinder turbo engine, and an electric motor to deliver sports car performance with eco-car emissions. In the UK, it has a dedicated enthusiast following, but requires specialist BMW 'i' technicians for any repairs, particularly regarding the high-voltage battery or complex hybrid drivetrain. It suits early-adopters and style-conscious buyers wanting a striking, unique daily-drivable sports car.
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Common Faults & Reliability
These are the most common documented problems for the BMW i8 (I12), sorted by their typical impact and frequency.
Door Strut Failure
medium severityThe heavy butterfly doors rely on gas struts to stay open. When they fail, the door falls on your head.
REx Fuel Pressure Sensor
medium severityThe fuel tank for the range extender is pressurized. The pressure sensor can fail, preventing the fuel filler flap from opening.
Steering Rack Knock
medium severitySimilar to other BMWs of the era, the steering rack can develop internal play and knock over bumps.
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