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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 11-17-2008, 12:01 AM   #1 (permalink)
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need some help please

Ok, bought this 95 318ti about 4 days ago, everything ran great, then there was a crack in the intake boot right after the maf sensor, the car kept dying on me and had the boot replace and all codes reset. The RPMs also used to hunt but that seems to be better now, although sometimes at idle (around 800RPMs) it almost dies and then comes back up and does this for maybe a minute and then acts fine again....could it be the maf sensor??? Possibly O2 sensor??? No check engine codes that I see although it has flashed on while driving for about 2 seconds and then off again....
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Old 11-17-2008, 11:51 AM   #2 (permalink)
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anyone???
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Old 11-17-2008, 01:38 PM   #3 (permalink)
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Some thoughts

  • tune up - check fuel and air filters, spark plugs and wires (caps)
  • bad gas - try a different major brand
  • vacuum leak
  • clogged injectors - you may want to try a pressurized flush treatment given the age of the vehicle (about $150).
I''ve never personally had this problem so my input is limited.
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Old 11-17-2008, 06:40 PM   #4 (permalink)
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I can't find a vacuum leak, I just installed a newer but used MAF and it seems to do alot better. Still had an idle issue and all but dies every once in a while when stopped at a light or something. Changed the plugs and the wires 'looked' ok. Whats weird is that car ran worse with the airbox latches closed, opened the latches and left it sitting on top of the filter and it ran alot better......
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Old 11-17-2008, 08:05 PM   #5 (permalink)
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Increased air flow is always a good thing for gas mileage and performance, and if it corrects your situation, it's icing on the cake. Toss the air box and get yourself this air filter upgrade injen
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Old 11-20-2008, 03:32 AM   #6 (permalink)
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it could also be your icv.
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Old 11-20-2008, 05:58 AM   #7 (permalink)
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where is the icv located?
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Old 11-20-2008, 08:46 AM   #8 (permalink)
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here's a decent write up that should help

BimmerMania.com • View topic - DIY: E36 ICV (Idle Control Valve) Cleaning

I'd check REAL carefully for any cracks in your intake boot when you're cleaning this out
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Old 11-20-2008, 08:48 AM   #9 (permalink)
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sorry you have a 318 here's the one for you

Idle Control Valve Write up; ICV clean DIY - Bimmerforums - The Ultimate BMW Forum
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Old 11-20-2008, 11:47 AM   #10 (permalink)
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icv location is different on the m42 and m44 motors m42 motor is on the write up that SHAHAB323IS posted and icv on the m44 motor is located on the front of the manifold and it is really easy to replace when m42 is pain in the ass
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Old 11-20-2008, 11:53 AM   #11 (permalink)
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Originally Posted by Russian318 View Post
icv location is different on the m42 and m44 motors m42 motor is on the write up that SHAHAB323IS posted and icv on the m44 motor is located on the front of the manifold and it is really easy to replace when m42 is pain in the ass
a lot of things on these cars are a pain in the ass, that's what happens when they engineer zero wasted space into the engine bay lol
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Old 11-20-2008, 04:12 PM   #12 (permalink)
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Dont make me go out on you like that irish guy did hahaha cunt lol if you dnt like 318 keep it to yourself. Thats what i can afford for now and i love it. understand buddy
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Old 11-20-2008, 09:05 PM   #13 (permalink)
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wtf are you people kidding me, it's a compliment to the engineering of BMW, wow
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