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BMW M5 F90 (2018+) General Forums Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls    1200 Mile Service Status

View Poll Results: Who has had their 1200 mile service done?
No - Not at 1200 miles yet 14 27.45%
Yes - Had 1200 mile service - verified done completely and correctly. 23 45.10%
Yes - Had 1200 mile service - Rear Diff got Non-spec Fluid - either same as front or 'other' 5 9.80%
Yes - Had 1200 mile service - Rear Diff Fluid NOT Changed - and told such without asking. 2 3.92%
Yes - Had 1200 mile service - Rear Diff Fluid Not Changed - Not told, but had to ask 1 1.96%
N0 - Past 1200 Miles and waiting for Differential Oil to arrive at dealer. 6 11.76%
Voters: 51. You may not vote on this poll

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      06-23-2018, 01:15 PM   #23
TheRealOrosie
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Quote:
Originally Posted by Hill Country F90 View Post
Service scheduled for this Friday....will report back how it goes.
Service took much longer than I thought it would, mostly due to the flash upgrade for the fuel pump recall. Of course, they did not have the rear diff oil in, which they let me know at the end of the service, so I will have to go back next week to have it changed out.


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      06-24-2018, 07:53 AM   #24
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Quote:
Originally Posted by Hill Country F90 View Post
Service took much longer than I thought it would, mostly due to the flash upgrade for the fuel pump recall. Of course, they did not have the rear diff oil in, which they let me know at the end of the service, so I will have to go back next week to have it changed out.


I have 4 quarts in my garage. The service only needed two and my dealer had it in stock by the time I went in for the service. Not sure if I can ship oil products by UPS?

Mike
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      06-25-2018, 12:39 PM   #25
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Transfer case isn't part of this service?
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      06-25-2018, 04:06 PM   #26
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Originally Posted by Demon Barber View Post
Transfer case isn't part of this service?
No, it was not. Interesting question though.

Mike
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      06-29-2018, 06:38 AM   #27
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Service done today.

I made sure that the dealer had everything needed 2 weeks before.

Everything is fine

EDIT : BMW made a recall for the antenna.
Apparently , the join needs to be replaced.

Last edited by Alberta; 06-29-2018 at 06:43 AM..
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      06-29-2018, 07:12 AM   #28
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Confirmed from the new M5 manual posted here, the front differential volume is 0.6 liters. Funny the PDF did not list a volume for the Rear Differential?

Mike
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      07-26-2018, 10:31 PM   #29
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G1 vs. G2 vs. G4

Hi All,
I have a First Edition. Just went through hell trying to get the break-in service done (they didnt have the oil even after I told them what to get) only to find out they used G1 and G2, not G2 and G4. Do any of you have any idea what the difference is in the oils? I am going to take it back and have them put the right stuff in, but just curious what the impact of the wrong oil might be...

Thanks!
J
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      07-26-2018, 10:40 PM   #30
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Quote:
Originally Posted by LVTechie View Post
Hi All,
I have a First Edition. Just went through hell trying to get the break-in service done (they didnt have the oil even after I told them what to get) only to find out they used G1 and G2, not G2 and G4. Do any of you have any idea what the difference is in the oils? I am going to take it back and have them put the right stuff in, but just curious what the impact of the wrong oil might be...

Thanks!
J
I think the only person who could accurately answer this question would be an engineer well versed in both the F90 differential and the properties of these lubricants. I have no idea the implications, but I would drive it as little and lightly as possible until the correct fluid is in place. Now that the wrong fluid has been added, seems like reasonable grounds for extended warranty on their dime.
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      07-26-2018, 11:13 PM   #31
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Yes - Had 1200 mile service - verified done completely and correct!
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      08-10-2018, 10:43 AM   #32
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Just had my 1200 service done. I asked multiple times if they had the correct fluids in stock. They verified they did have enough for 1 car so we were good to go c

Just got the car back with the service order and looks like they used G4 & G1!! Based on others in here...looks like G2 should have been used.

Can anyone who has had their service completed confirm? If so, should I be giving them a call and get this fixed or is it not a big difference?
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