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M2 Technical Topics > Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls > N55 oil change frequency

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      09-21-2018, 09:10 PM   #1
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N55 oil change frequency

Had my break in service done last month, and the next service due was in 15000km!

But i plan to change every 5000km, its better for health and longevity
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      09-22-2018, 04:36 AM   #2
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I drive the car pretty infrequently so I don't want moisture to degrade the oil, and when I do drive it I drive it hard. So I do my oil changes every 1500km-2000km.

But on the other hand, if you drive the car alot and allow it to reach operating temps each time, with a good synthetic oil I'm sure it can do 5,000km without issue.
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      09-24-2018, 01:39 PM   #3
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How frequent is 'infrequent'?
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      09-24-2018, 05:36 PM   #4
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Quote:
Originally Posted by GoneIn4Secs View Post
How frequent is 'infrequent'?
Maybe once a week, or once every two weeks in the September to October time frame. In the dinner time frame maybe twice a week, in good weather conditions. When it's not being driven for longer periods of time I have a battery tender on it. But every time I do drive it I drive it hard to make sure there is no moisture build up.
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      09-25-2018, 11:53 PM   #5
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Quote:
Originally Posted by F87source View Post
I drive the car pretty infrequently so I don't want moisture to degrade the oil, and when I do drive it I drive it hard. So I do my oil changes every 1500km-2000km.

But on the other hand, if you drive the car alot and allow it to reach operating temps each time, with a good synthetic oil I'm sure it can do 5,000km without issue.
you change engine oil every 2000km?!
money down the drain if you ask me

im doing mine every 10000km or yearly, whichever comes first, which is double bmw recommendation already..
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      09-26-2018, 10:19 AM   #6
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Originally Posted by Who? View Post
you change engine oil every 2000km?!
money down the drain if you ask me

im doing mine every 10000km or yearly, whichever comes first, which is double bmw recommendation already..
I have to, I don't drive it alot so I don't want water degredation to degrade the oil. Sometimes I even do oil changes every 1500km, or yearly.

I think BMWs recommendation of 14,000km is too long, especially if you drive it hard or live in high humidity areas. Most people so it around 7-8k km but you can always do an oil analysis to be sure, I'd just rather be safe than sorry.
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      09-26-2018, 02:49 PM   #7
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Did my break in at 2,000, and an oil change at 5,000 for winter (Castrol 0W40). Going to do it every 5,000 on the 5,000's. I'll switch back to the 5W40 when the weather improves.

I will never understand the resistance to performing frequent oil changes. It's $100 and you get to spend some quality time with your M2 Remember folks, the recommended service interval went up to where it is now only after the advent of cost-free scheduled maintenance. Tinfoil hat.. on.
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      09-26-2018, 05:43 PM   #8
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Originally Posted by stefan View Post
Did my break in at 2,000, and an oil change at 5,000 for winter (Castrol 0W40). Going to do it every 5,000 on the 5,000's. I'll switch back to the 5W40 when the weather improves.

I will never understand the resistance to performing frequent oil changes. It's $100 and you get to spend some quality time with your M2 Remember folks, the recommended service interval went up to where it is now only after the advent of cost-free scheduled maintenance. Tinfoil hat.. on.
+1
Except I personally prefer 0w oil weights because it allows easier oil flow during cold starts preventing wear. I personally don't like using 5w or 10w weights unless the engine has some larger tolerances (forged pistons) to prevent oil burning and blue smoke on cold start.
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      10-14-2018, 12:22 PM   #9
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It's more that the engine doesn't get hot enough to get rid of and combustion produced water vapour that degrades the oil. Leave it sitting, and who knows - it might just go rusty inside the engine before the oil degrades due to water. Unless you normally park it somewhere very humid (or, indeed in standing water...)
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      10-14-2018, 01:28 PM   #10
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Originally Posted by M Fifty View Post
It's more that the engine doesn't get hot enough to get rid of and combustion produced water vapour that degrades the oil. Leave it sitting, and who knows - it might just go rusty inside the engine before the oil degrades due to water. Unless you normally park it somewhere very humid (or, indeed in standing water...)
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      10-14-2018, 04:51 PM   #11
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My M performance specialist at dealer agreed, 5000km is good if your planning on keeping the car , better for longevity !
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