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Brockenp
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Still not done it chaps. I have cut down a 14mm hex and that’s fine but from what I can see my cover plate is a little different with the filling point and hence the nut I am trying to get out pointing downwards towards the dedion tube so the angle of attack is nuts, as it runs close to the tube because of this downwards angle I can not get any real force going, any other thoughts ? Many thanks 

P Williams

Jonathan Kay
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Have you set the stands as in #4 and #8 above to improve access? And removed the floor as in #7?

Jonathan

Brockenp
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  Yes all done as described. I can see from a picture that some diff covers are different to the one I have and the drain comes out flat on the back, as I mentioned mine is coming out at an angle that even after the tube is Moved the tool used points towards the diff and the tube is in the way of say a breaking bar type tool. Is the cover of my diff standard? 

P Williams

Gnockoff
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Perhaps it's just me, but why are you doing it?  Seems a hell of a faff for something which, if it was in a Tintop, wouldn't get touched for years. If there isn't a drain plug, then BMW don't expect it to be drained. 

ScottR400D
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I bought a Laser drain plug set, a tenner for 5 different tools. The 14mm goes in the fill plug, ring spanner on other end. 

Suck out oil and refill. 

As said above not too critical though done oils are better than others for noise, etc and it can help you check for LSD wear. 

My fill plug is flat on the back though. 

ScottR400D
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I bought a Laser drain plug set, a tenner for 5 different tools. The 14mm goes in the fill plug, ring spanner on other end. 

Suck out oil and refill. 

As said above not too critical though done oils are better than others for noise, etc and it can help you check for LSD wear. 

My fill plug is flat on the back though. 

ChrisC
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The back cover and cage has changed design several times, so it's just a different version.  Problem is finding the best approch for that version of the BMW diff.   If you have an LSD or clutch style diff (Haldex) in a tintop it will have an oil change schedule.

 

Jonathan Kay
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... mine is coming out at an angle that even after the tube is Moved the tool used points towards the diff and the tube is in the way of say a breaking bar type tool.

What tools are you trying? The most friendly might be a short stub of hex key in a flexible-headed spanner. 

NB For anyone using a ratchet spanner I strongly recommend the type that reverses when you slide a lever rather than the type that has to be removed and turned over...

Jonathan