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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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#1 (permalink) Old 05-22-2007, 11:41 PM
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need help

hey guys,

i just bought a 1991 318i a month ago and i was pullin out today the car just stopd, and started making very loud banging noises everysecond. so i pulled over, and put it in first and i was rolling back with clutch out and ebrake down, i did the same with reverse. (i was on a hill). does this mean that my diff or sumthing in the rear is broke? and if it is what kinds of diffs or rears can i put in there to make the final drive better such as a 4.10 i think my friend has in his, idk im very new to bmw's tho.

thanks for all the help
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#2 (permalink) Old 05-23-2007, 11:40 AM
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Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
Sounds like a guibo (also known as flex disk) off the back of the transmission or center support bearing.
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#3 (permalink) Old 05-23-2007, 04:34 PM
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is it possible that its sumthing else, like a driveshaft or the gears in the diff.?
whats a good place that is cheap i can get a part from?
thanks for all your help
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#4 (permalink) Old 05-23-2007, 05:17 PM
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Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
Could also be a U-joint, but that'll make a bad clunk/crunch noise.
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#5 (permalink) Old 05-23-2007, 10:51 PM
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ya, if i start to drive it, it will bang/clunk about everysecond, im affraid to keep driving it, from the damage is it worth getting a new rear?
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#6 (permalink) Old 05-24-2007, 06:51 AM
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Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
You need to determine what is actually broken first, then you'll know what parts to buy. You can't buy a rear end and expect it to solve your problem if it's not the problem in the first place.
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