BMW Repair: 1993 bmw no start, 1993 bmw 325is, bmw 325is


Question
1993 BMW 325is (e36)

i had bought this car of a kid that did not take care of this car at all he had stripped one of the spark plug wells out to the point were the spark plug wouldn't even want to thread on, i ended up having to hela coil new threads on.
i had fixed all the problems in the car (so i thought) i started to notice that the gauges were malfunctioning they would drop to zero and then after a few miles they would pick back up and run normal like nothing had ever happened. one day i ended up replacing the thermostat every thing went well until i snapped one of the bolts to the thermostat housing, i was in a very big rush as the shop was being closed down. i bleed the system and it did not look like it was leaking badly so i decided to take it home that night and finish it up. on the way home the car was runing fine i have a half tank of gas and about five miles from the shop the car dies, i sat on the side of the high way trying to start the car and nothing i pulled the fuel line of the fuel rail and tried to crank it then and nothing came out of the line, checked all my fuses and checked the power going to the fuel pump (the green wire=power to fuel pump) tested that to while in starting position and i was getting power there so i concluded on it being a faulty fuel pump, i replaced the fuel pump. i went to start the car and nothing, the car would crank but will not fire, at this point i tested the pump by itself just to see if i had received a faulty pump, i applied power and ground and the pump is operating.any help would be greatly appreciated. i have read that the DME would play a big role in a BMW with a no start symptom and also the crank sensor the reason im thinking that it would be a crank sensor is that my thermostat housing was leaking and maybe coating the crank sensor with radiator fluid, but the crank sensor would be getting went when it rains out so i dont think a little bit of radiator fluid would hurt it. the DME sounds a little more realistic, since from what ive been reading it controls every thing on the vehicle engine wise. please shed a little light.

-vishnu

Answer
I wouldnt jump all the way to the DME yet.

Two things are needed....fuel and spark.  You're telling me that you're now getting fuel, but you haven't said if you have spark. I'd suggest you work that end of it.

There are a lot of inputs into the DME, so if you don't find something obvious, it's worth taking it to a dealer/independant and get an electronic diagnosis.  You could easily spend a lot more money on guessing parts than finding out what it is then fixing it.