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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 01-24-2006, 12:58 AM   #1 (permalink)
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Question 1978 320i fuel injection problem

does anyone hae any ideas what could be wrong i have taken it all apart cleaned it out still wouldnt work. got a whole new one put it on still wouldnt start. ran new gas lines new gas tank new fuel pump still wouldnt start. took it do a mechanic he couldnt figure it out so i have no clue what it would be if anyone can please help me out with this it would be a very big help to me.
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Old 01-29-2006, 12:10 AM   #2 (permalink)
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First off check fuel presure, next make sure that the cold start injector is working, allways finger this item for no starts. These CIS (K-Jetronic) fuel systems rarely supply enough fuel to start the engine without the aid of the cold start injector. Next, crack open the fuel hoses at the fuel injectors and hold the air flow plate open with your finger while someone cranks the engine other wise it'll take all day, tighten injectors that spurt fuel one at a time to make sure that all air is purged from the lines. And make sure that the intake is free of leaks, any leak won't move the air plate enough and with the CIS injection, air flow = fuel. Check these and let me know what happens.
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Old 01-29-2006, 12:19 AM   #3 (permalink)
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By the way, also make sure the warm up regulator is working.
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Old 02-05-2006, 05:11 PM   #4 (permalink)
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one question

one question how do i purge the lins to get all the ai out?
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Old 02-05-2006, 05:11 PM   #5 (permalink)
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how do i purge the lines to get all the air out
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Old 02-06-2006, 09:36 PM   #6 (permalink)
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Next, crack open the fuel hoses at the fuel injectors and hold the air flow plate open with your finger while someone cranks the engine other wise it'll take all day, tighten injectors that spurt fuel one at a time to make sure that all air is purged from the lines.
Just follow this. ^
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Old 02-08-2006, 11:11 PM   #7 (permalink)
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found out it wasnt fuel injection heres some pics

found out it wasnt fuel injection it was the fuckin distributer so we put a new on in and it runs like a dream now thanks for the help though hers some pics of what the motor is in
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1978 320i fuel injection problem-imgp5229.jpg   1978 320i fuel injection problem-imgp5230.jpg   1978 320i fuel injection problem-imgp5233.jpg  
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Old 02-09-2006, 11:13 PM   #8 (permalink)
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Interesting use for a BMW motor, should power that suzuki samurai well. How did you get it to mate up to the trans?

How about this:

http://www.4x4abc.com/bmw/

Too bad you can't find this kind of 325 anymore.
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Old 02-15-2006, 07:24 PM   #9 (permalink)
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Damn, that's an interesting adaptation...

Damn, that's an interesting adaptation for a bmw motor. I've already printed out the pics and put them up in my office. It's great inspiration for when i get stuck on stuff...
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Old 02-21-2006, 12:35 AM   #10 (permalink)
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bmw suzuki

it is a bmw tranny the drive shaft is part suzuki part bmw welded togeather so it all hooks up
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Old 02-21-2006, 06:03 PM   #11 (permalink)
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Ah, the suzuki's T-case isn't bolted to the trans, forgot about that.
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