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Old 05-28-2012   #1
RiceEatingZR1
 
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Location: Aurora, IL
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Default Transmission Fluid??

any one ever use Royal Purple in their trans?
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Old 05-28-2012   #2
Paul Workman
 
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Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
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Default Re: Transmission Fluid??

Quote:
Originally Posted by RiceEatingZR1 View Post
any one ever use Royal Purple in their trans?
After having a "blue tag" ZF freeze up on me while cruising the interstate, and opting to buy a new one instead of trying to fix the old one, Bill Boudreau @ ZFdoc.com recommended the Castrol TWS 10W-60 synthetic (available at BMW dealerships). I suppose anything equivelant would suffice, RP or whatever.

FWIW,

P.
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