sup guys, new here so on and so forth. ok to the problem, i recently did a tune up and now my 87 325i is acting up, starts up fine and idles fine (a little low about 500-700rpm ish but smooth) but when i blip the gas it hesitates and if i blip it enough times it stalls out. i tried covering the air filter box and the engine keeps running which is a sign of a leak right? except when i take my hand off the hole it stumbles and dies 
also when i start the car up, the MPG gauge under the tach. goes from 40mpg to about 20 then shoots up to 40 again then goes down to 0. is that a sign of anything? ill try to post a vid or some pics soon,thanks again and great forum. ohh here she is btw.
also when i start the car up, the MPG gauge under the tach. goes from 40mpg to about 20 then shoots up to 40 again then goes down to 0. is that a sign of anything? ill try to post a vid or some pics soon,thanks again and great forum. ohh here she is btw.
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now the idle is all out of whack, it starts fine but then drops to about 500rpm and rises to 900ish rpm. so i did the whole "cover up the filter box hole" thing and the intake boot would get crushed from the suction so i was like WTF?! then i could hear a hisss coming from the hose that goes from the icv to the throttle body, so i replaced it and it did nothing! i still hear the hiss coming from the same area on the new hose! so i decieded to thrwo in the towel and take it to a shop. now he tells me it might be my icv i was like "no sh!t" but he says i have to replace the computer as well if im going to change the icv. now that doesnt sound right to me but hes "BMW CERTIFIED" and said he had a e30 when he was young so idk? any thoughts? anybody? :(
but the mechanic said i still needed to replace my Afm as it looks like it been tampered with, but otherwise the car idles fine. ohh yeah odd thing he said my car had no c191 plug, he looked for it but he said he could not find it. ok so everything was fine BUT on the way home the power steering started to get alittle hard. i would turn it and it would be normal but about 3/4 of the way and then the steering would get stiff. when i got home i noticed that everytime i would turn the wheel and the powersteering would get stiff, the idle would drop some, not alot but enough to tell maby like 300-500rpm then would go back to normal idle when the power steering would get soft again. This led me to belive it might be a vaccum leak in the power steering line but idk, was wondering if you guys might of had this problem too.
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