04-12-2019, 11:20 AM | #3 |
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It was changed at 1200 miles for the break-in service, wasn't it? For my previous vehicles, it wasn't even in the service maintence until 100k miles. Meanwhile, some mfgs say it last the lifetime of the vehicle and doesn't need to be change.
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04-12-2019, 11:32 AM | #4 |
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Pretty sure they only change the tranny fluid after break in on DCT's, no?
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04-12-2019, 11:50 AM | #5 | |
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But yes - BMW are one of the manufacturers who currently use lifetime fill. MTF LT-5 on the M2. |
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04-12-2019, 12:03 PM | #6 |
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Seems like BMW is all over the place when it comes to the M2's first service. For my car they changed the 6MT fluid but I'm in Canada and maybe the service here calls for it and not in the US?
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04-12-2019, 01:07 PM | #7 |
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04-13-2019, 02:36 AM | #10 |
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Well, probably look at changing it if you're heading towards 100k miles. It's fully synthetic, it isn't exposed to water, and there are no combustion products to worry about so it will last years without degrading. High/hard use will result in some wear to the innards of the gearbox however, so changing it will help keep any traces of worn metal out of the moving parts.
I changed the transmission fluid on my e46 at 150k miles. It was not a good colour (completely black) and the shift action was much, much better afterwards. I've been running it on non filled for life stuff since with changes every couple of years to flush out the remains of the old fluid. |
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04-09-2021, 04:06 PM | #11 |
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Changing my MT fluid every 2 years/30k from now on
Over the last 200,000 miles in my e92 328i and Acura TSX, I always changed the transmission fluid every 30,000 miles. And after every flush, the shifts always felt smoother. I think there's definitely some fluid degradation that happens. I use Redline MTL now and previously used GM Synchromesh FM in the Acura.
I had my e92 in the shop this week and went ahead and had them do a transmission fluid flush even though my fluid was only 2 years and 20,000 miles old. And there was still a noticeable improvement in shift actions. It feels like the synchros aren't working as hard. So from now on, my MT fluid changes are going to happen every 2 years or 30,000 miles.
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2017 F87 M2: MGM, 6MT, AA Tune, Eibach Pro-Kit, Fabspeed Catted Downpipe, Evolution Racewerks FMIC+Chargepipe, Autosolutions SSK, CDV Delete, Vorshlag Plates, PFC-08 pads, Apex EC-7 18x9.5"
2013 E92 328i M-Sport: BSM, 6MT, 3IM+AA Tune, BMW PE, M3 control arms, Eibach Pro-Kit, Bilstein B8, BMW SSK, CDV Delete, Apex EC-7 18x9" |
04-12-2021, 09:20 PM | #12 | |
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Once I finally get my M2, I do intend on replacing the transmission fluid around the same time I get my break in service done and regularly thereafter. It's cheap insurance for a car I intend to own for a very long time. Plus I plan on sending a sample off for analysis so I have a baseline to work with for future reference. |
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06-08-2021, 03:31 AM | #16 |
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I actually did mine at like 8k km and it made a huge difference. The difference in shift feel is amazing, it eliminated all notchiness from 1st - second and now I am able to down shift back into 1st gear from second at low rpms whereas before I would never be able to do so regardless of rpms as I would be locked out by the synchros.
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06-08-2021, 04:33 AM | #17 | |
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06-08-2021, 04:45 AM | #18 | |
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06-08-2021, 12:03 PM | #19 | |
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When we talk OE fluid we have to take into consideration requirements like oxidation. OE fluid is compromise. Fluid like Redline is not intended for long OCI, regardless what they claim. Taking those two things into consideration, they will provide different performance. |
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06-08-2021, 01:14 PM | #20 | |
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OEM fluid mtf-lt5
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What's the oci on redline fluids? I might switch over next time.
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06-08-2021, 07:53 PM | #21 | ||
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06-08-2021, 08:38 PM | #22 |
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What about time interval? Like 4 years?
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