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Ihave1 · 04-21-2013, 11:43 AM

My diff makes a humming sound so I am swapping it out for a fresh one. I will have to remove the muffler, unbolt the driveshaft (have the tool), and L/R output shafts (ordered E10 socket). Are any of the diff bolts or exhaust seals in there one time use? Its an fully assembled differential so I dont need to worry about any of the internal seals. I did put in fresh SAF-XJ.

04-21-2013, 11:43 AM	#1
Ihave1 Private First Class 42 Rep 159 Posts Drives: 2008 135i Join Date: Jan 2011 Location: NC, USA iTrader: (1)	Diff install parts My diff makes a humming sound so I am swapping it out for a fresh one. I will have to remove the muffler, unbolt the driveshaft (have the tool), and L/R output shafts (ordered E10 socket). Are any of the diff bolts or exhaust seals in there one time use? Its an fully assembled differential so I dont need to worry about any of the internal seals. I did put in fresh SAF-XJ.
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