2008 diff fluid change

papak · 11-17-2012, 02:13 PM

Anyone have a picture of the location of the drain plug on a 2008 diff (3.0si)? The fill plug is obvious but I want to be sure of the drain before I go removing n incorrect bolt. I know it's not the same as that on the 2.5.

TIA

aerobod · 11-17-2012, 02:50 PM

Quote:

Originally Posted by papak

Anyone have a picture of the location of the drain plug on a 2008 diff (3.0si)? The fill plug is obvious but I want to be sure of the drain before I go removing n incorrect bolt. I know it's not the same as that on the 2.5.

TIA

According to the TIS, if you have a differential with "Lifetime Fill" sticker on it (which is highly likely), there is no drain plug, you will have to unbolt the cover and replace the gasket if that is the case. If you have a cover with a drain plug, it is on the lower right of the cover, seen from the back of the car.

mbetoni · 11-19-2012, 01:43 PM

As the proud owner of an '08 si roadie, and also the previous owner of an '05 3.0, I can confirm the face lifted car does NOT have a drain plug on the diff, it was deleted with the 'upgrade' to lifetime fill.

Coincidentally, my diff fluid is being changed as I type this. Without the drain, it's simply a matter of sucking the old fluid out with an evacuator and then refilling it to the top.

inTgr8r · 11-19-2012, 02:11 PM

Lifetime fluids..... what a joke!

santov · 11-22-2012, 02:41 AM

Quote:

Originally Posted by mbetoni

As the proud owner of an '08 si roadie, and also the previous owner of an '05 3.0, I can confirm the face lifted car does NOT have a drain plug on the diff, it was deleted with the 'upgrade' to lifetime fill.

Coincidentally, my diff fluid is being changed as I type this. Without the drain, it's simply a matter of sucking the old fluid out with an evacuator and then refilling it to the top.

I couldn't believe that BMW eliminated drain plugs. I would suggest you do NOT remove the cover. It's easier and safer to suck the fluid out like mbetoni suggests.

11-17-2012, 02:13 PM	#1
papak New Member Drives: 2008 Z4 3.0si Coupe Join Date: Sep 2012 Location: LA Posts: 19 iTrader: (0)	2008 diff fluid change Anyone have a picture of the location of the drain plug on a 2008 diff (3.0si)? The fill plug is obvious but I want to be sure of the drain before I go removing n incorrect bolt. I know it's not the same as that on the 2.5. TIA
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11-19-2012, 02:11 PM	#4
inTgr8r Major General Drives: 07 M Coupe Join Date: Mar 2006 Location: Toronto Posts: 7,193 iTrader: (6)	Lifetime fluids..... what a joke! __________________ Alpinweiss '07 M Coupe •Eisenmann Sport-Ceramic Black•Diablo-X•Fabspeed Headers•VRS Hyper-Narrow rear wing•Autosolutions SSK•APR splitter•Tekarbon headlights•StrongStrut STB•KW Clubsport•Poly FCAB/RTAB•Volk Racing G2•Direzza ZII•Stoptech BBK c/w Cool Carbon pads

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11-19-2012, 01:43 PM	#3
mbetoni Private First Class Drives: 2014 Z435is Join Date: Oct 2010 Location: Chicago Posts: 108 iTrader: (0)	As the proud owner of an '08 si roadie, and also the previous owner of an '05 3.0, I can confirm the face lifted car does NOT have a drain plug on the diff, it was deleted with the 'upgrade' to lifetime fill. Coincidentally, my diff fluid is being changed as I type this. Without the drain, it's simply a matter of sucking the old fluid out with an evacuator and then refilling it to the top.