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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > When to change the Transmission Fluid? 335i



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      03-21-2011, 06:56 PM   #1
PINOY_E90
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When to change the Transmission Fluid? 335i

My E90 335 has 30k miles now, When will the dealer change my transmission fluid? BTW, i have the extended warranty and maintenance plan until 6yr/100k

What is the recommended by BMW? What is the recommended by the guys here?

Just like the engine oil, BMW only do it yearly or 15k miles but i pay extra in between to get it changed every 6 months


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      03-21-2011, 07:06 PM   #2
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For optimum protection, change the fluid and filter every 30,000 miles (unless you have a new vehicle that is filled with Dexron III ATF which is suppose to be good for 100,000 miles). BTW this is for automatic tranmission
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      03-21-2011, 07:15 PM   #3
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I think BMW tries to screw you by telling you your transmission has lifetime fluid, meaning you're going to have to pay out of pocket for one.
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      03-21-2011, 07:22 PM   #4
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would also like to know this! i have 87k kilometers. want to change it aswell
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      03-21-2011, 07:22 PM   #5
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Dealers will NOT change it they call it lifetime fluid.

My service advjsor told me they will only chamge it if there is a repair involved, so when my transmission sleeve was replaced due to an oil leak they changed the transmission fluid.
I recommend doing it at a shope because this lifetime fluid really is just another way to save money, an its bad for the tranny ( zf said to change at 50k miles)
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      03-21-2011, 07:24 PM   #6
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replace every 30-50k
very easy diy
http://www.e90post.com/forums/showthread.php?t=80198
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      03-21-2011, 07:37 PM   #7
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An automatic transmission creates a lot of internal heat through friction: the friction of the fluid churning inside the torque converter, friction created when the clutch plates engage, and the normal friction created by gears and bearings carrying their loads.
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      03-21-2011, 08:29 PM   #8
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step
http://www.e90post.com/forums/showthread.php?t=503751
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      06-04-2011, 05:17 PM   #9
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How much are you guys paying for an indy shop to do a transmission fluid change?
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      06-07-2011, 02:04 PM   #10
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Quote:
Originally Posted by WWONG View Post
I think BMW tries to screw you by telling you your transmission has lifetime fluid, meaning you're going to have to pay out of pocket for one.
Quote:
Originally Posted by Beemw335 View Post
Dealers will NOT change it they call it lifetime fluid.

My service advjsor told me they will only chamge it if there is a repair involved, so when my transmission sleeve was replaced due to an oil leak they changed the transmission fluid.
I recommend doing it at a shope because this lifetime fluid really is just another way to save money, an its bad for the tranny ( zf said to change at 50k miles)
fyi, even though the pan states "Lifetime", take a look at the warranty and service booklet, it states 100,000 miles. I change mine every 30,000 miles, but that is just me. Also, take a look at other posters who have changed their trans oil. Every one of them had a good experience. No one reported a bad experience, yet.
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