Water pump and thermostat failed, pumping water all over the engine.
BMW didn't tighten the radiator hose properly with similar results.
Brake pump failed.Fixed under independent warranty. Would have cost £1400.
Starts every time, though.
Seats are comfortable, but hard.
Acceleration is very good for such a heavy car.
Good on staight, flat roads, but not on twisty, pot-holed british roads.
Solid build quality.
Heavy depreciation, lost £6000 in 10 months.
At the time you bought this car, good ones were available in Germany for about 10,000 pounds.
I don't see why UK values should be very different, but I'm guessing you bought from a dealer and sold to a dealer or just paid too much and asked too little for it.
Depreciation drops off to almost nothing after about 7 years and a car in good condition will always sell well, unless you have to dump it quickly.
You were unlucky with yours, I think.
I looked at many cars, bought the best one I could find, and sold for the same price after one year.
I was lucky nothing went wrong in that time.