I am about to change the trans fluid on my E46 M3. RedLine recommends using the D4 ATF, wanted to get everyones input. Or should I just stick with OEM?
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Which Trans fluid to use on E46 M Manual
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Spec is a 75w80 GL4 gear lube not GL5 diff lube of same weight or similar weight ATF.
There may still be some pentosin mtf2 you can find or the genuine BMW stuff or Ravenol mtf2 or other GL4 75w (or there abouts) synth lube from other reputable brands.DD: /// 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 RedBarron View PostI am about to change the trans fluid on my E46 M3. RedLine recommends using the D4 ATF, wanted to get everyones input. Or should I just stick with OEM?
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Agreed, the BMW stuff (Pentosin MTF-LT2) seems to work better than when trying out aftermarket stuff on our M3s. If Pentosin has changed to a superceeded fluid (as posted above) it's probably still the way to go unless proven substandard.6MT SLICKTOP - OE CSL Wheels - OE CSL Brakes - CSL Rack - CSL Trunk - CSL Diffuser - AA Tune - AA Pulleys- AS 40% SSK - 4.10 Motorsport Diff - Bilstein PSS9s - H&R Swaybars - CSL Lip - Gruppe M CF Intake - Supersprint - M Track Mode
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I've noticed no difference moving to FFL-4.
From FCP Euro website:
Please note: FFL-4 recently replaced MTF-LT-2 for older manual transmissions. FFL-4 and MTF-LT-2 are both 75W80 fluids with almost identical properties. Because of this changeover FFL-4 can be used in manual transmissions or transfer cases that required MTF-LT-2 manual trans fluid. FFL4 fluid can also be used in applications that require MTF-LT-3 fluids as well.
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Last edited by M3GA; 07-29-2021, 05:22 PM.
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Originally posted by M3GA View PostI've noticed no difference moving to FFL-4.
From FCP Euro website:
Please note: FFL-4 recently replaced MTF-LT-2 for older manual transmissions. FFL-4 and MTF-LT-2 are both 75W80 fluids with almost identical properties. Because of this changeover FFL-4 can be used in manual transmissions or transfer cases that required MTF-LT-2 manual trans fluid. FFL4 fluid can also be used in applications that require MTF-LT-3 fluids as well.
6MT SLICKTOP - OE CSL Wheels - OE CSL Brakes - CSL Rack - CSL Trunk - CSL Diffuser - AA Tune - AA Pulleys- AS 40% SSK - 4.10 Motorsport Diff - Bilstein PSS9s - H&R Swaybars - CSL Lip - Gruppe M CF Intake - Supersprint - M Track Mode
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Originally posted by M3GA View PostI've noticed no difference moving to FFL-4.
From FCP Euro website:
Please note: FFL-4 recently replaced MTF-LT-2 for older manual transmissions. FFL-4 and MTF-LT-2 are both 75W80 fluids with almost identical properties. Because of this changeover FFL-4 can be used in manual transmissions or transfer cases that required MTF-LT-2 manual trans fluid. FFL4 fluid can also be used in applications that require MTF-LT-3 fluids as well.
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However, there are plenty of BMW chassis that show up in the 'fitment' tab, but not the E46, which is interesting given the way the fluid usage is described here.E46 M3 Coupe - 09/04 Production, 103k miles, Black/Black, 6MT swap, AS 0% kit, BBS RG-R + AS4’s, CSL flash, Karbonius airbox, Euro header + Section 1, Koni Yellow, Xtrons, SAP Delete, lockdowns complete
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Took a while for RP to enter the threadDD: /// 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 m3nt0s View Post
This is noted on the Pentosin FFL-4 listing on FCPeuro here: https://www.fcpeuro.com/products/bmw-gear-oil-ffl4
However, there are plenty of BMW chassis that show up in the 'fitment' tab, but not the E46, which is interesting given the way the fluid usage is described here.
There are many other sources that cross-reference FFL-4 to the e46 m3 manual trans. FFL-4 was designed for newer trans but is backwards compatible and seems a near identical formulation to MTF-LT-2.
For peace of mind:
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