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      06-28-2020, 04:30 PM   #1
FrostNixon
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Help me understand the oil change interval

So by spec bmw changes the oil every 2 years or 30 000km or 18 600 miles. I understand that they use synthetic oil, but still, maybe I am old fashioned, but this looks like an overkill. Anyone else practicing this, on previous vehicles or current, with anything to share?
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      06-28-2020, 07:04 PM   #2
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The computer will alert you when an oil change is due based on climate and driving conditions etc. For example, my car needed an oil change at 9K miles which was less than a year. Normally oil changes would be 10K miles or one year whichever occur first in the USA.


PS. assuming you have a G20.
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      06-28-2020, 07:06 PM   #3
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Quote:
Originally Posted by FrostNixon View Post
So by spec bmw changes the oil every 2 years or 30 000km or 18 600 miles. I understand that they use synthetic oil, but still, maybe I am old fashioned, but this looks like an overkill. Anyone else practicing this, on previous vehicles or current, with anything to share?
I have an m340i and I would recommend you change the oil every 5000 miles.

I had to add oil at qboit 4200 miles and many others have had to do the same. This turbos really like oil.

When I first got the car the intervals on the dash said 10k and then it updated to 8k.

I still think that's not often enough and you'll be running low on oil long before.

I drive my car fairly hard. And lightly for long trims. Maybe if you completely baby the car and never floor it you can do longer intervals.
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      06-28-2020, 07:11 PM   #4
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The oil consumption issue is an anomaly because there are guys running stage 2 tunes and down-pipes etc and don't have the issue. While someone like myself who has a stock car and having to had to a quart three times before my first oil change in less than 12 months.
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      06-28-2020, 08:11 PM   #5
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Quote:
Originally Posted by EXE46 View Post
The oil consumption issue is an anomaly because there are guys running stage 2 tunes and down-pipes etc and don't have the issue. While someone like myself who has a stock car and having to had to a quart three times before my first oil change in less than 12 months.
Yeah I've had my car over a year now and I drive hard sometimes and never had to top any oil.. always been at full line, bone stock, seems like a bad batch unfortunately
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      06-29-2020, 01:59 AM   #6
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I did my first oil change after 2600 km (I wasn't driving aggressively till then). I will be changing oil every 15'000 km.
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      06-29-2020, 02:47 AM   #7
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I go by the dash indicator on when to change which for my mileage and driving has been every two years. I previously, to this car, have had two 520d’s over 13 years. Always changed when advised with no issues.
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      06-29-2020, 04:42 AM   #8
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I think it mostly depends on whether you are leasing/short-term-ownership or buying-and-planning-on-keeping-the-car-long-term. If you're leasing, just do the service when the car tells you, and make sure you don't overrun in order not to get into trouble.

If you plan to keep the car a long time, it's probably not a bad idea to get the oil changed more often in order to improve longevity. But also make sure to at least service it when the car demands it to make sure you don't run into issues about warranty or so later on.

Last edited by mbanck; 06-29-2020 at 05:06 AM..
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      06-29-2020, 05:01 AM   #9
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Quote:
Originally Posted by FrostNixon View Post
So by spec bmw changes the oil every 2 years or 30 000km or 18 600 miles. I understand that they use synthetic oil, but still, maybe I am old fashioned, but this looks like an overkill. Anyone else practicing this, on previous vehicles or current, with anything to share?
Normal CBS regime in Europe. Whichever comes first.

Many have used this regime for years without issue. But as said, if you intend to keep long term, say 100,000+ miles, interim oil changes may give more peace of mind for reliability and longevity.

Saying that, type of use can have more impact than simply miles.
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      06-29-2020, 05:55 AM   #10
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Depends on how you use the car. If you are a calm driver and do not drive races, then change every 10,000 km. If you go to the race track, then change every 2500 km.

If the car is still under the BMW warranty, then change it officially with your dealer. If there is no guarantee then change yourself (it's cheaper). You can buy oil everywhere. It's just that an authorized dealer has it more expensive.

We often go to the race track. We change the oil ourselves every 2500 km. The dealer oil costs 30 euros per liter. On the Internet, the price is 9.90 euros per liter. We immediately buy a pallet and that's enough for the whole season.

The more you change, the better.
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      06-29-2020, 05:57 AM   #11
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At least in germany, you can haggle with the dealer to bring your own oil to the official oil changes (it must be BMW approved for the car, and unopened, of course), but not every dealer likes it/will do it I think.
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      06-29-2020, 06:00 AM   #12
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Quote:
Originally Posted by mbanck View Post
At least in germany, you can haggle with the dealer to bring your own oil to the official oil changes (it must be BMW approved for the car, and unopened, of course), but not every dealer likes it/will do it I think.
They will not go for it. They must earn and sell their oil. Previously, you could bring your oil to an authorized dealer. But these times are gone.
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      Yesterday, 05:35 AM   #13
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I have the 5 year service program which includes oil every 2 years. I don't think this is enough as I plan to keep the car for a long time so I am going to ask the dealer to do the extra oil change every second year and I will pay for it. How can I be sure they are actually changing the oil when I request it?
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