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TriumphStag View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TriumphStag Quote  Post ReplyReply Direct Link To This Post Topic: oil
    Posted: 24 Nov 2020 at 12:20pm
I know everyone is probably sick of this subject. I am new to the BMW world as for the last 25 years my thing has and still is Triumphs, very simple cars. I have recently brought a 2011 Z4 23i Sdrive manual gearbox, I would like to change the gearbox oil but all the forums make a real meal out of it, I would like to know a good oil make type.  
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TriumphStag View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TriumphStag Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2020 at 12:22pm
Please
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Post Options Post Options   Thanks (0) Thanks(0)   Quote NickDE Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2020 at 8:13pm
Does the owners manual specify a grade ? Or is it a 'sealed for life' ?

If you know the grade, just buy that from any reputable oil manufacturer and you will be good.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TriumphStag Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 9:33am
Hi i think it states sealed for life however I find that hard to take in, not only that what is BMWs life? i think from what I have seen its 10 years or 100,000 miles. like I say I am new to BMWs but not new to oil and oil can not last forever. I can go with an oil supplier but thought that someone might shed a bit more light.

Thanks 


 
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Paul.S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Paul.S Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 10:13am
The sealed for life oil used by BMW on their motorcycles for the differential that could also be used in the gearbox (made by getrag) was Castrol Syntrax 75-90 fully synthetic gearbox oil.
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Mike Fishwick View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike Fishwick Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 12:13pm
People who believe in 'Sealed for life' must also believe in Santa Claus and the Tooth Fairy . . .
A Z3 is not just for Christmas - it's for life!
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Paul.S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Paul.S Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 1:31pm
I agree Mike, but our view does not appear to be shared by BMW !
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Robert View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robert Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 4:51pm
If you are going to change the oil then you should change the filter at the same time. That will be a sump off jobby to get at the filter but I suppose you already know that.
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Paul.S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Paul.S Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2020 at 8:16pm
Is that not just for the automatic gearbox Robert ? I do not think that the manual box has a filter.
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rpennington View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rpennington Quote  Post ReplyReply Direct Link To This Post Posted: 26 Nov 2020 at 6:43am
I have never known manual gearboxes to have a filter, only auto’s. If they have then that’s something new I’ve learnt.

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Robert View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robert Quote  Post ReplyReply Direct Link To This Post Posted: 26 Nov 2020 at 9:42am
Sorry, you are right. My mistake I thought is was an auto.
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TriumphStag View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TriumphStag Quote  Post ReplyReply Direct Link To This Post Posted: 26 Nov 2020 at 10:02am
Manual gearbox definitely have drain plugs and filler plugs and i think you will find gearbox fluids should be changed on a more regular basis than most of us think, oil will brake down and take a curtain amount of moisture over time, the better condition of your oils  the more protection you expensive engine gearbox diff etc will have.
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