Looooooooong list. Vacuum leaks, fuel pressure, TPS, Air Mass device, Fuel filter, Spark plug(s), Coil Packs; CPS; Throttle Body settings; VANOS problems; What Codes are being displayed/stored?; Blocked exhaust; Blocked Air Filter; Fuel pump; Loose wires on the EMC loom - That should do as a start
Good - Fast - Cheap: Pick any two.
3 x E32 735iL (Alpine White, Glacier Blue & Kashmir Beige); 2 X E38 735iL (Oxford Green & Alpine White); E53 X5 4.4i (Pearl Beige); R50 Cooper; R55 Cooper Clubman (Both Pure Silver).
E38 Parts Car
E21 318i; E23 735i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?