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E34 (1989 - 1995)

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  #1  
Old 08-18-2012, 12:37 PM
Josh429er Josh429er is offline
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Location: Saukville, Wi
 
Join Date: Aug 2012
Posts: 233
Mein Auto: 1989 BMW 535i
Oil?

My owners manual is missing so what is the recommended weight oil for the Motor and Diff?

Also if you guys have like a "golden formula" with brands and what not I'm curious as to what you guys run for engine oil, ATF, and Diff oil.

Its a 4 speed auto.

Thanks.
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  #2  
Old 08-18-2012, 02:49 PM
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goosefoot33 goosefoot33 is offline
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Location: Hudson, MA
 
Join Date: Mar 2008
Posts: 1,821
Mein Auto: 01 330Ci/02 525iT
There are a few ways to find out:

1) Search this forum- there are numerous threads on this subject
2) Search for a downloadable version of the Bentley manual. This will provide you with the correct weights and approved oil grades/types for your engine. Also included is a scale of weights depending on what climate you're in.
3) Search for "Bob is the oil guy" on a search engine. Tons of information on that site.

Good luck on your search.

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  #3  
Old 08-18-2012, 09:08 PM
Josh429er Josh429er is offline
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Mein Auto: 1989 BMW 535i
Thanks.
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  #4  
Old 08-19-2012, 05:44 AM
south26 south26 is offline
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Mein Auto: 535i 1989
I use 10w40 in the winter and 20w50 in the summer. The older engine(m30) does needs the thicker oils compared to the newer engines.


Andy
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  #5  
Old 08-21-2012, 08:25 AM
SwissCheeseHead SwissCheeseHead is offline
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Location: Madison, WI
 
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Mein Auto: 08 G37,94 530i,11 328iT
I just put Mobile 1 High Mileage 5W30 in preparation for the cooler weather coming up. Got it a wally world for $26 for 5 QTs.
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