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well, here's my final post to this thread. the car will soon have an m57 diesel engine in it, so i can't be bothered with this issue anymore. thanks to all who helped! ps. once i am done with the engine swap, maybe i will post a picture. thanks gb.

no no, not better mpg. i said it was able to consume more fuel = more power when the problem was on. so kinda the opposite of better mpg. maybe i was unclear, so i'll recap. when the power is cut (the main problem) the fuel consumption gauge goes only up to about 9.5L/100km after disconnecting...

genuine, very expensive MAF. it was the first part i replaced. engine bay wiring loom is new.

:oops: first i say how stupid french cars are, and then i eat **** right after... out of curiosity (ok ok, desperation) i went for a drive and decided to yank out some connectors. just to see what would happen. after unpluging the intake pressure sensor, fuel heater, EGR solenoid, water temp...

french cars are designed by loonies, so we can completely forget any similarities between a bmw system and a french one. ;D however i am very slightly intrigued by this proposal, even if there's absolutely nothing on the internets about anything like this on the TDS. or for the e36 in general...

...what i still think is the weirdest thing, and also maybe the strongest lead, is when i drop the revs below 1000rpm even for just a fraction of a second, the power is back. and it's THE only thing that returns the power back to normal. not even coasting for all ethernity does it. unless i...

today, i have been mostly eating... no wait. today, i removed the OEM lift pump, and put a facet clickety-klack pump in it's place, with constant power running from a switch. zero. b-b-b-... difference.

crossing over "oil level sensor"... just when i got my hopes up. i.e. i replaced the oil level sensor, warning light is gone. the (main) problem isnt. ...adding "50 pounds of TNT" to the end of the list...

adding "oil level sensor" to the list. right to the top. :cool:

EDIT: the warning light can be for both the pressure and the level of oil, in these cars.

update. drove about 450km to go backpacking, came back and the oil warning light (pressure or level) wont turn off anymore. but the engine has enough oil and definitely has oil pressure. oil pressure sensor is a new bosch replaced about two months ago. my guess is the oil level sensor has gone...

oh no not quite yet. :D this is as much pain to me as it is intriguing. i've worked in the industry nearly 15 years now. never have i come across such a bizarre problem in a car. all of those parts i've replaced, were supposed to cause similar or the same problems. it's hard to say now, if...

i'm sure it'll get replaced eventualy, if the problem is not solved before. might even be quite soon-ish.

the injector light on these is also for telling the driver that the car is in limp-home-mode IIRC. :D as for the FIP, it's a new part and i did the install myself. i timed it to spec with the right tools and a gauge. but again, the problemmmm was there before i replaced the pump. the pump was...

nope. because the exhaust is basicly new, i've put a new muffler and removed the cat. so the pipe goes straight from the turbo to the muffler now. old pipe was clean-ish. (some soot ofc but nothing major) the idea was to be able to maybe bypass this fault. just slight desperation actually.

damn...

mine already is chipped, but it's a recend addition. The problems were present before chipping, and that didn't change at all. a friend of mine suggested i should install megasquirt, but i have not been able to find any info on megasqurting this engine, or even if it's possbile at all. i'm at...

does anyone know if there's any aftermarket ECUs available for this engine?

i've now checked everything Mr. Wammers told me to. i found nothing :( i guess this will never be solved.

oh i hate it when threads just suddenly end with no resolution :D