I had a problem with the rough idle and I fixed it with, putting in new injectors, which was very expensive.
I replace all the front end componet's, which cost me about a $1,000 dollars.
Had to replace the fuse box dew to a bad gasket which aloud water to get in the box.
U can work on the car yourself, but I would recommend that you take it to a dealer to have major work done on this car. This will prevent you from getting lost in the mass confusion of wiring.
Love this car I drive it everyday I have people offer me money for all the time, but I tell them I love the little car to much to sell it.
Hay hows it going? love your comments. I drive a bronzetit biege 1986 535i it's a dream come true. love the car to bits. This car has great power for a vintage hehe. love the in line 6 and love the power I get from it.it's a smooth drive and I love leaving the sunroof open. Afew probs tho. over heating issue afew electricals prob and my car takes abit from my wallet on petrol hehe. nway take care and grat comment on the wonderful 5.