Firstfives.org

BAD!

Success! Well, after wasting my time sending my fuel injectors away ($150) for service and today still no success in getting my long-sleeping 1980 BMW 635csi Euro running, I read on this board about someone's ECU problem....

BINGO.

I had a spare ECU from the previous owner, and lo and ...

ok, figured out the reason for my crank no-start...plugged up injectors for sitting too long. rusted bad gas. I removed the injectors and had them
cleaned. They are now re-installed but somewhere along the way I lost track of a few of my injector harness connectors and need to ID the #4 and #5 ...

I think fuel delivery is fine now, I have spark, but the engine now fires for 1/2 second and quits...and I have to have the pedal floored for it to even fire up.

I checked around and there are no fuel leaks..I had to run a new flex fuel line from the back of the car because the old lines were ...

how common is it to have a fuel pressure valve seize up? I am getting gas to the engine cranking now but when I take the fuel line off the cold start valve, nothing comes out indicating the whole fuel rail is dry, yes? The only thing in the way is the fuel pressure valve, possibly seized from the ...

since the 5-series and the early 6's like mine share many aspects, I thought this would be the best forum for trying to get my 1980 635csi Euro running and sold. My early 635 has the Euro engine and dogleg 5-speed. The car has sat for about 3 years now and is pretty rusted, but was my daily driver ...