Changed fuel filter, car was fine for bout half hour then it made a loud bang noise started smoking and now engine wont start.Related Questions2003 BMW Z4 3.5iI have a 2003 BMW Z4 3.5i (E85). This is my 3rd winter with the car, and it has about 72K miles on it now (only had 14.5K miles when I got it). I have never had any problem with the car yet. Today it…2003 BMW 325iWhen my check engine light comes on the car stops shifting and hardly moves. If I clear the check engine code I can drive for 50 miles until the light comes back and I start having these problems.2003 BMW 325iThe dealer said he fixed the engine idle problem but as I drove it off the the lot the same thing happened again. Is this normal after repairs?