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Old 10-08-2011, 08:55 PM
tempestv8 tempestv8 is offline
Officially Welcomed to the 'Fest
Location: Melbourne, Australia
 
Join Date: Oct 2005
Posts: 240
Mein Auto: '03 530i Touring & '03 X3
I do not have a torque wrench but I've been servicing my own transmission for a number of years now. I just tighten by hand to the point where I know the plug will not work itself loose.

I am always wary of over tightening on alloy components. It's the crush washer's job to stop leaks...

Its interesting to note that most folks have seen very burnt looking fluid from their gearboxes. I'd imagine most owners do not thrash their vehicles, so it's a bit disappointing that BMW say "lifetime" fluid when this is clearly not the case.

But this concept of "lifetime" is from the gearbox manufacturers like ZF, GM, Aisin, etc.

My other vehicle, a Toyota, also specifies "lifetime" fill but I'll be doing auto trans fluid changes regularly, seeing the condition of the fluid in the BMW.
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