My e46 m3 is probably 95% street. Refreshing the transmission fluid. What should I go with oem or redline d4/MTL or mixture of the two redlines?
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Best Transmission Fluid
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75w80 gl4 1.8l
Oe bmw
pentosin
ravenol
or some single weight from motul, amsoil et alDD: /// 2011.5 Jerez/bamboo E90 M3 · DCT · Slicktop · Instagram
/// 2004 Silvergrey M3 · Coupe · 6spd · Slicktop · zero options
More info: https://nam3forum.com/forums/forum/m...os-supersprint
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Originally posted by Will View PostI did not like D4ATF in the gearbox. Felt like it grinded more frequently, and after 10k miles shifting feel dropped off. I changed for fresh D4ATF at 10k and it wasn't much better. Went back to OEM Pentosin and it feels good again.
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Originally posted by s54wagon View PostWhat do you guys use for a transmission flush before you change the fluid?
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Followup: Last night I changed out the Redline D4 ATF which had about 2000 miles on it for some Pentosin MTF-2. When I first bought the car, all 1-2 shifts and most 2-3 shifts were impossible without double clutching for the first few minutes of driving in colder weather. Changing to Redline D4 ATF helped significantly to where shifting was always possible but I had to be delicate for a few minutes until things warmed up to avoid crunchy no good sounds and feels.
This morning is a cold morning (35 F) and the cold performance is better than D4 ATF. Im sure the performance and smoothness will drop off after a couple hundred miles like it always seems to but the Pentosin has things running much better. The shift quality is almost decent.
I give the Pentosin MTF-2 a big thumbs up
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