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I did a diagnostic after a new drivetrain error appeared causing reduced power output. I have errors saying that there is a communication fault with the coolant pump and there's an internal fault in the AC compressor. Some have suggested that I need to replace the coolant pump but I think the...

Today when I took the car off charge at a public charging point, every error imaginable came up. The power steering has stopped working, and there are the following warnings: Driver restraint malfunction, stability control failure, drivetrain no restart, slope too steep for park and gearbox P no...

I am trying to find a point in the car where I can take upwards of 40 amps from the 12v system. I removed the back cover in the boot which covers the motor and attached my lipo battery charger to the 12v points which are on top of the motor inverter. The more current my battery charger took from...

Hello all, I have a 2013 I3 with range extender and when I got it in 2015, it had 18.2 kwh available when I checked in the service menu. As time goes on this value varies quite a bit but always follows a downwards trend. When it reached around 16kwh one year, I reported it to BMW and after they...

I was using the range extender the other day there to burn off some of the old fuel that had been sitting for about 5 months. I was doing 70mph constantly along a dual carriageway. The engine wasn't quite able to keep up as the battery charge was still going down slightly. The coolant...

I was looking in the service menu today and noticed that I only had 17.5KWh battery capacity. This was with the battery at 20 degrees C. Yesterday the capacity was at 17.4. Several weeks back it was at 18.2. Any ideas? My miles per kwh hasn't changed yet either with the weather beginning to get...

Hi, whenever I turn left in the car I am getting a squeaking sound which seems to be coming from the left wheel area. I have removed the engine cover and inspected the engine mounts and checked all around the rear wheels and nothing looks damaged. What could it be? I recorded a video of the...

Hi, I recently bought an ex demonstrator I3 with range extender. It had 8000 miles and was manufactured November 2013. When fully charged the indicated range is usually very close to 80 miles give or take 2 miles. I get 4.3 miles per Kilowatt hour on my daily journey to work which mostly...