ZPOST - View Single Post - non-M diff and tranny oil grades

thelinux · 03-15-2013, 02:07 PM

I bought transmission fluid (ZF Lifeguard6) for mine from CTSC.
http://www.thectsc.com/index.php?p=c...parent=58&pg=1

It's a lot cheaper than dealer.

I did a lot of reading about which ATF to use. There are some compatible ATF which are cheaper than lifeguard. But I did not want to take any chance on my expensive tranny over few dollars. So went with OEM fluid.

Redline ATF D4 is cheaper option but people's opinion seems vary. If you are going to use non - OEM fluid, I would do the complete flush not just drain and refill.

BTW if you are going to do just drain and refill, you dont need 9 liters. 6 liters seems enough.

03-15-2013, 02:07 PM	#4
thelinux Private First Class 14 Rep 155 Posts Drives: 2008 Z4 3si Join Date: Feb 2013 Location: Irvine, CA iTrader: (0)	I bought transmission fluid (ZF Lifeguard6) for mine from CTSC. http://www.thectsc.com/index.php?p=c...parent=58&pg=1 It's a lot cheaper than dealer. I did a lot of reading about which ATF to use. There are some compatible ATF which are cheaper than lifeguard. But I did not want to take any chance on my expensive tranny over few dollars. So went with OEM fluid. Redline ATF D4 is cheaper option but people's opinion seems vary. If you are going to use non - OEM fluid, I would do the complete flush not just drain and refill. BTW if you are going to do just drain and refill, you dont need 9 liters. 6 liters seems enough.
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