XBimmers.com | BMW X6 Forum X5 Forum - View Single Post - Anyone have any idea what this transmission whine is? UPDATE: Bad Idler Pulley

Poppyboy · 07-23-2016, 05:52 AM

I spoke with someone at ZF a couple of years ago about the "lifetime" aspect if the fluid. He said that is only some "agreement" between ZF and BMW. He concurred that it should be periodically changed, but couldn't provide a recommended interval.

07-23-2016, 05:52 AM	#6
Poppyboy Captain 194 Rep 828 Posts Drives: 2011 X5 3.5i w/ SA Package Join Date: Jul 2014 Location: Lincolnshire, IL iTrader: (0) Garage List 1976 Triumph TR6 [10.00] 1993 Bentley Turbo R [10.00] 2011 X5 [10.00]	I spoke with someone at ZF a couple of years ago about the "lifetime" aspect if the fluid. He said that is only some "agreement" between ZF and BMW. He concurred that it should be periodically changed, but couldn't provide a recommended interval.
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