I just wanted to add that I charge my tranny fluid & filter every 30k miles, and use Redline Synthetic ATF. My '88 TE has 176k miles on it, and shifts the same as it did when I bought it at 67k.

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"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss

Michael
2014 E63S Estate
2006 SLK55
1995 E500
1986 Porsche 944 turbo