Lifetime Transmission Fluid

5

535iracer

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#1
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#1
Hey Everyone...
I've been away for a while, sold my BMW, but I missed it too much so I bought another one and now I am back :) I just got a 1997 528i last week and I love it... I have a concern, tho. My car has the 4 speed automatic transmission with the lifetime fluid in it. I think that lifetime fluid is crap, and I want to change it. I was wondering how I can find out what the fluid capacity of the transmission is and if I can use normal synthetic ATF. I really don't want to buy more lifetime fluid because it is so EXPENSIVE. If anyone can shed some light on this for me, I would really apprecate it :)

Thanks
 
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iDriveSMG

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#4
There is not lifetime trans fluid.. i dunno if its a brand.. but never heard of a lifetime trans fluid..

try Mobile One or Red Line
 
5

535iracer

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#6
Thanks everyone. I will try looking at the other oil manufacturers and seeing if they have an alternative to this BMW lifetime fluid. I don't see why I can't just put in synthetic ATF and just change it every 20-30k. It is an automatic transmission after all, isn't it lol. Im sure that it is not different enough for it to really need special fluid.
 
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iDriveSMG

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#7
535iracer said:
Thanks everyone. I will try looking at the other oil manufacturers and seeing if they have an alternative to this BMW lifetime fluid. I don't see why I can't just put in synthetic ATF and just change it every 20-30k. It is an automatic transmission after all, isn't it lol. Im sure that it is not different enough for it to really need special fluid.
Click to expand...

synthetic ATF is slippery more.. i rather you use special fluid. Some fluids might make the transmission shift harder because of the friction.
 
5

535iracer

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#8
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#8
The way I figure it, it is an automatic transmission, im sure that its not any different than any other automatic, I think that they just use the special fluid because it lasts longer... I looked online and I can buy a filter kit and there is an access panel to drain the torque converter, so I am just gonna do it, and change it with redline synthetic atf. If anyone can think of any other reason why this might not be a good idea, please don't hesitate to let me know lol ;)

Thanks
 
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