545 6MT Fluid Change
11-05-2012, 09:53 AM
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My Ride: 04' 545, 6 Spd Manual, Blk Lthr, Sport Pkg, Sport Sts, Logic 7, Cold Wthr Pkg, Full L.E.D. Interior, Red Eng. Cvr, Mtech Front Bmpr, M5 Spoiler, Matte Blk Grill, Red Caps, Slttd & Drlld Rotors, 20
Model Year: 2004
545 6MT Fluid Change
Does anyone have link to DIY on how to change the transmission fluid in a 545 or 550 6MT I assume they would be the same. Im going to try this for the first time and I would like something detailed with pictures. I've already found one for the Diff no luck on the transmission tho.... Thank You
11-05-2012, 11:48 AM
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My Ride: 09 535i MT
Giant TCR C0
I did mine a few weeks ago (on a 535 - not sure which gearbox you have). Although this is for a 135, the procedure is much like the following: Changing Transmission Fluid in the 135i
The most difficult part is removing and reinstalling the plastic underbody (must be close to 15 screws). Make sure your car is level when re-filling, otherwise the fluid level may be incorrect. It takes a bit less than 2 quarts (1.6 or so)
The most difficult part is removing and reinstalling the plastic underbody (must be close to 15 screws). Make sure your car is level when re-filling, otherwise the fluid level may be incorrect. It takes a bit less than 2 quarts (1.6 or so)
Last edited by Stumpel; 11-05-2012 at 11:50 AM. Reason: clarification
11-06-2012, 05:36 AM
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My Ride: 545i 2004, SMG, Sport, Nav, Logic-7, Bluetooth phone retrofit
If your transmission is the same as mine - and I think it is - it takes 1.7 quarts. I use RedLine MTL, which is a bit thicker than the RedLine D6 ATF in the DIY. The ATF will shift smoother when it's cold, which may be a consideration for you on the east coast. MTL is probably a better lube for transmission lifetime, although that's just what would make sense to me. I have no data.
11-06-2012, 10:25 AM
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My Ride: 04' 545, 6 Spd Manual, Blk Lthr, Sport Pkg, Sport Sts, Logic 7, Cold Wthr Pkg, Full L.E.D. Interior, Red Eng. Cvr, Mtech Front Bmpr, M5 Spoiler, Matte Blk Grill, Red Caps, Slttd & Drlld Rotors, 20
Model Year: 2004
I did mine a few weeks ago (on a 535 - not sure which gearbox you have). Although this is for a 135, the procedure is much like the following: Changing Transmission Fluid in the 135i
The most difficult part is removing and reinstalling the plastic underbody (must be close to 15 screws). Make sure your car is level when re-filling, otherwise the fluid level may be incorrect. It takes a bit less than 2 quarts (1.6 or so)
The most difficult part is removing and reinstalling the plastic underbody (must be close to 15 screws). Make sure your car is level when re-filling, otherwise the fluid level may be incorrect. It takes a bit less than 2 quarts (1.6 or so)
11-06-2012, 10:31 AM
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My Ride: 04' 545, 6 Spd Manual, Blk Lthr, Sport Pkg, Sport Sts, Logic 7, Cold Wthr Pkg, Full L.E.D. Interior, Red Eng. Cvr, Mtech Front Bmpr, M5 Spoiler, Matte Blk Grill, Red Caps, Slttd & Drlld Rotors, 20
Model Year: 2004
If your transmission is the same as mine - and I think it is - it takes 1.7 quarts. I use RedLine MTL, which is a bit thicker than the RedLine D6 ATF in the DIY. The ATF will shift smoother when it's cold, which may be a consideration for you on the east coast. MTL is probably a better lube for transmission lifetime, although that's just what would make sense to me. I have no data.
Yea it's the same I mean mine is 6MT but SMG is the same thing without a clutch pedal, lol... I was going to try the Redline I've heard good things about it. Was your car just like the link above is there anything different that you might want to add? Also can I re-use the drain and fill bolts? The DIY I have on the Diff suggest I changed the bolts.
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