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      04-29-2021, 10:49 AM   #1
jackfox
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Differential Fluids — any upside on having dealer change?

Our 2016 x3 is at 60,000 miles and dealer says we need to change the differential fluids. They’re asking $750.
I called an Instant Oil Change (a chain) location, and their price for this is $218.
Obviously I like the lower price.
But, that said, is there any reason to have the dealer change the differential fluids instead? The car is no longer under warranty.
Thanks!
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      04-29-2021, 11:37 AM   #2
Wgosma
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No reason to pay high price at Stealer.

Personally I'd not use a quick lube type of place, those young kids are often lacking in mechanical skills....I.e. they can be heavy handed on tightening drain/fill plugs, even stripping threads.

Pay a bit more and use a reputable independent BMW/Euro car shop.
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      04-29-2021, 02:06 PM   #3
evilchargerfan
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consider diy? it probably took me an hour


Quote:
Originally Posted by evilchargerfan View Post
I spent an hour saturday doing the fronts, and then another hour sunday doing the rears. EndOfAnEra, thanks again for such a nice detailed thread! I'll share how things went while I was under the car




big shiny drain plug staring right at you


break it loose


stick in hose and suck out old fluid


I tried my best to use various angles and hose lengths to suck up as much as possible


dump old fluid into container of your choice (I went with a clear one with measurements)


smells yucky as it looks. everyone else says their rears "look good" ... mine was nasty/dark


just about 946ml removed



per the op, drank a beer afterwards

(confession, I actually had 4)



thread:
https://x3.xbimmers.com/forums/showt...5#post26462135
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      04-29-2021, 02:07 PM   #4
evilchargerfan
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fronts were just as easy

https://x3.xbimmers.com/forums/showthread.php?t=1736940
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      04-29-2021, 04:31 PM   #5
kevink1
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I tried to get a quote for some fluid changes when I was there recently for some warranty work. I was told that, since BMW thinks these are "lifetime" fluids, they don't have a price list. He made some estimates, and said to get a firmer estimate he would have to get with a tech.
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      04-30-2021, 12:05 PM   #6
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I have had 2 bottles of liqui moly 75w90 GL5 for doing this sitting in the garage... I got worried about approvals since I can't find any reliable information on what is exactly needed for these. Would this be acceptable for front and back or do I need 75w85?
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      04-30-2021, 12:27 PM   #7
evilchargerfan
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Quote:
Originally Posted by okayzac View Post
I have had 2 bottles of liqui moly 75w90 GL5 for doing this sitting in the garage... I got worried about approvals since I can't find any reliable information on what is exactly needed for these. Would this be acceptable for front and back or do I need 75w85?
there was a thread out there (cant find it for the life of me), where 2 members go back and forth on 75w90 vs 75w85

both made great points, and sometimes bmw calls for w90 and sometimes it calls for w85.... and if I recall, one supersedes the other

I believe in the end, its okay to use either or
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