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      09-19-2020, 09:03 AM   #1
LisaLannister
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Transmission issues

Hi everyone,

Over the last few months I have noticed that the transmission does not shift as 'tightly' or as smoothly as it once did. There is a very slight lag where none used to be and sometimes it shifts with a slight harshness that was not there when I first bought the car.

Has anyone experienced this?

Thanks
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      09-19-2020, 12:31 PM   #2
Angry Ketchup
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When I first got mine (at 2.5yrs old/12k miles), it was perfect... but a few weeks later, I noticed "something" with the shifting. It was hard to put into words, but just didn't feel right, an inconsistency - especially pulling away from a stop as well as the 1-2 shifts.

The selling dealer didn't really document it nor explain it well to me, but said they'd ran it up hot and then flushed & replaced the tranny fluid. It's been another 46k miles since and no tranny issues whatsoever.
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      09-19-2020, 02:37 PM   #3
Walt White Coupe
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The first thing I'd check are two rubber flex couplings (guibos) on the drive shaft. If they are shot it will feel like there is a problem with the transmission during shifts.
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      09-19-2020, 05:56 PM   #4
LisaLannister
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Thanks for your responses.

Does a transmission fluid change involve the fluid and filter?

Thanks
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      09-20-2020, 02:39 AM   #5
rasa bmw
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my last 2 cars one being 640d,,had the trans serviced as soon as i got the cars,,zf guidelines are 50-60 k miles for a trans service ie oil/pan/mechatronic and seal etc
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      09-23-2020, 09:16 AM   #6
standslanted
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Quote:
Originally Posted by LisaLannister View Post
Thanks for your responses.

Does a transmission fluid change involve the fluid and filter?

Thanks
Yes. Your transmission's filter is built into the pan itself. How many miles do you have on the car? I will be doing a drain/fill x 3 next week on my 6 with 50k miles.
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      09-23-2020, 10:29 AM   #7
NytWolf
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Quote:
Originally Posted by standslanted View Post
Yes. Your transmission's filter is built into the pan itself. How many miles do you have on the car? I will be doing a drain/fill x 3 next week on my 6 with 50k miles.
I'm doing mine this weekend or the next also. Mine has 60k, but doing it as preventative maintenance. No weird issues that I've noticed.
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      09-23-2020, 02:10 PM   #8
standslanted
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Quote:
Originally Posted by NytWolf View Post
I'm doing mine this weekend or the next also. Mine has 60k, but doing it as preventative maintenance. No weird issues that I've noticed.
I went with a 20L container of TOP TEC ATF 1800, along with the kit form fcp, which is enough to drain, fill, drive, drain, fill, drive, drain, change filter, fill (if that makes sense...)
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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