Mixing engine oils
Moderator: martauto
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jimbob29
- E30 Zone Regular
- Posts: 266
- Joined: Tue Apr 26, 2011 11:00 pm
- Location: isle of wight
Can you mix oils of the same grade but with different brand names?i need to top up the mrs oil but wanted to check.the service book said it had 10w 40 synthetic grade but don't no what brand so could get some castrol 10w 40 synthetic and put that in?
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zaust
- Zone day release
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- Joined: Sun Jan 09, 2005 11:00 pm
- Location: Somewhere in Hertfordshire , or press Ctrl + W
Why not just do an oil and filter change and then you know your topping up with the same.
M30 Tech 1 Touring on gas.
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harry_p
- Engaged to the E30 Zone
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- Joined: Thu Oct 12, 2006 11:00 pm
- Location: norfolk
It'll be fine.
cheers,
harry
harry
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jimbob29
- E30 Zone Regular
- Posts: 266
- Joined: Tue Apr 26, 2011 11:00 pm
- Location: isle of wight
Thank you
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ross_jsy
- Married to the E30 Zone
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- Location: Jersey, C.I.
If you are that worried, give the place that serviced it a call and ask what make they use. Will be ok though
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HairyScreech
- Engaged to the E30 Zone
- Posts: 6265
- Joined: Sun Jan 21, 2007 11:00 pm
forget about it.
In theory mixing oils is not a good plan, in practice it happens every day with no issues. Unless your REALLY REALLY unlucky then it will be fine.
In theory mixing oils is not a good plan, in practice it happens every day with no issues. Unless your REALLY REALLY unlucky then it will be fine.
2.8 development thread http://www.e30zone.net/modules.php?name ... c&t=170822
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
m3.3.1 m20 thread - now running, chip needed - any volunteers?
http://www.e30zone.net/modules.php?name ... =viewtopic&
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capri_rob
- Married to the E30 Zone
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Mixing oils is infintely better than not enough oil 
e30topless said : Proper BMW's have 4 headlights, last of the run was the E30 and E34/E32 anything after that is just complete shite
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Captain_Birdseye
- E30 Zone Regular
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- Joined: Sun Mar 25, 2012 11:00 pm
- Location: Bristol (and Cheltenham)
What! why man? You trying to give this guy a job for the weekend or something? He's got a mrs, he doesn't need extra work.zaust wrote:Why not just do an oil and filter change and then you know your topping up with the same.