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M2 Technical Topics > Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls > M2C - Diff Fluid Capacity - TW Dealer Issue

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      04-16-2019, 03:53 AM   #1
kvnchu
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M2C - Diff Fluid Capacity - TW Dealer Issue

Hi all,

So I'm at odds with my dealership for what was done at the 1200km run in.

Dealer maintains that oem diff cap is 1L I say it's more.

My experience with the M cars has been that the diff fluid capacity has always been around 1.2L-1.3L (z4m, e92 m3). Now i am approaching 3km, I usually do my routine "personal-for-new-car" second running in oil change and diff fluid change.

Problem is that when I call up the dealership to order up the fluid, they keep telling me that 1L is the OEM spec. So I check online and am seeing that some of our Swiss counterparts, thanks M Houbi, are indeed adding more.

This makes me nervous so I ask the dealership to check my records on what they did for the 1200km running service and they confirmed they only used 1L.

I asked them about it and they keep saying their system recommends one liter but I do think its wrong.

I dont like to be a stickler over 17% difference of fluid but the problem is, is that I track and run cars hard. Low diff fluid to me could mean a huge bill or a crash. Taiwan msrp is usually double the sticker price of cars in Europe and America.

Does anyone have the fluid capacities from BMW anywhere because I looked everywhere and there isnt anything in the manual or online. Would really appreciate it!

-Kevin




Quote:
Originally Posted by ///M Houbi View Post
There you go...
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Last edited by kvnchu; 04-16-2019 at 04:01 AM..
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      04-16-2019, 06:48 AM   #2
CTSean
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if it's that much of a concern, why not get a bottle of diff fluid, and top it up? It should be immediately obvious if it isn't full.
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      04-16-2019, 08:50 AM   #3
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I had thought the process--at least on past M cars--was to place car on level surface, remove top and bottom plug and drain, replace bottom plug, fill through top plug until fluid drips out, replace top plug. Like CTSean said, if worried buy some fluid and top it off.
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      04-18-2019, 08:08 AM   #4
CTSean
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This agrees with that procedure https://www.newtis.info/tisv2/a/en/f...ive/1VnXv9aQIq
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      04-18-2019, 12:22 PM   #5
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NewTIS don't give an amount, but that fill hole is only just above the drain.

https://www.newtis.info/tisv2/a/en/f...lid/1VnXv9aQIq
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      04-18-2019, 12:55 PM   #6
CTSean
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Quote:
Originally Posted by M Fifty View Post
NewTIS don't give an amount, but that fill hole is only just above the drain.

https://www.newtis.info/tisv2/a/en/f...lid/1VnXv9aQIq
The capacity is listed in the Technical Data link below the procedure (SPOILER it says 1 liter)
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      04-19-2019, 03:16 AM   #7
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Quote:
Originally Posted by CTSean View Post
The capacity is listed in the Technical Data link below the procedure (SPOILER it says 1 liter)
That'll teach me to read the page properly...
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