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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 01-07-2013, 05:40 PM
DJHayter DJHayter is offline
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Location: albuquerque
 
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Mein Auto: 86 325es
differential fluid change ????

i have a 86 325es just wondering how to do it, what fluid to use, and how much. thanks
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  #2  
Old 01-07-2013, 06:28 PM
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downhiller downhiller is offline
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take the lower plug out drain and spray some brake cleaner in to get as much out, then put in 75w-90 oil for an lsd in top plug (after closing bottom) and fill up to the bottom of the upper plug, should be like 2-3 quarts.
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Old 01-08-2013, 07:13 AM
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Newman271 Newman271 is offline
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I used a limited slip additive to mine also.. it was only a few bucks and I figured with these old cars it couldn't hurt.
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Old 01-08-2013, 11:27 AM
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I suggest driving the car around to get the fluid warmed up a bit and then drain it while its still warm so that it flows out better. I never have sprayed brake cleaner in the diff nor will i ever.
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Old 01-08-2013, 12:26 PM
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Newman271 Newman271 is offline
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Quote:
Originally Posted by First time View Post
I suggest driving the car around to get the fluid warmed up a bit and then drain it while its still warm so that it flows out better. I never have sprayed brake cleaner in the diff nor will i ever.
Brake cleaner just cleans the gunk out. Would never have any adverse effects on clutches or gears. I use non chlorinated brake cleaner to spray down my flywheel and clutch before I put them in and never ever had a problem (atleast 10 personal cars by now).
But driving will warm the fluid and make the flow a little quicker when you go to drain it.

I used valvoline 75w90 synthetic part number 975, and Kendall limitied slip additive our part number is LSA but that may vary. Pyroil Non Chlorinated Brake cleaner part number NCBPC13.
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Silver/Black
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Old 01-08-2013, 02:13 PM
54bobby 54bobby is offline
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Mein Auto: 1986 325es
Quote:
Originally Posted by downhiller View Post
take the lower plug out drain and spray some brake cleaner in to get as much out, then put in 75w-90 oil for an lsd in top plug (after closing bottom) and fill up to the bottom of the upper plug, should be like 2-3 quarts.
i believe it's about 1.25 qts
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Old 01-08-2013, 03:46 PM
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hornhospital hornhospital is offline
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Mein Auto: 1995 318is / 1993 325is
Fluid capacity depends on engine size due to different differentials being used.
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Last edited by hornhospital; 01-08-2013 at 03:48 PM.
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Old 01-08-2013, 06:18 PM
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Quote:
Originally Posted by 54bobby View Post
i believe it's about 1.25 qts
youre right. last one i did was my 4runner and it was 2 quarts.

either way, fill till it starts coming out of the upper plug just like half the manual trannies out there.
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