K1300GT Final drive fluid change, light brown? - BMW Luxury Touring Community
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post #1 of 2 Old Mar 30th, 2014, 5:29 pm Thread Starter
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Join Date: Mar 2009
Location: West Chester, Ohio, USA
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K1300GT Final drive fluid change, light brown?

I generally do my own maintenance on my bikes but the last final drive oil change was done by the dealer. It was due again, changed it this morning and the fluid came out milky brown. I flushed with it with 200 ml of clean fluid. Filled it back up, put everything together and went for a 120 mile ride in the mountains. Everything seems fine.

Anybody seen light brown fluid being used at dealers?

Any ideas?


2010 K1300GT
2009 1200RT
2005 GL1800
1992 ZX-10
1984 500 Interceptor
dkjkwood is offline  
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post #2 of 2 Old May 12th, 2014, 9:10 am
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Location: Wilmington, NC, USA
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Re: K1300GT Final drive fluid change, light brown?

Not all gear lubes are dyed red or some other color but the milkiness indicates water contamination.
Change it again in 4 or 5 K miles and see if you've got the water gone (allows enough time for the new oil to collect any remaining water and rain it out at next change)

A little bit of greyish cloudiness might just be normal gear wear debris but a white milkiness is water emulsified into the oil. A tiny bit of milkiness around a vent is nothing to worry about but if its in all the oil, may be that a bunch more water is getting in than should.
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