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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Oil Change Interval



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      06-18-2012, 05:11 PM   #1
jacobsed
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Oil Change Interval

So BMW states 15K mile oil changes.
My Bentley book states 7500 mile oil changes.

As a reference, my wife's MB C300 uses full synthetic Mobil 1 and states 10K mile oil changes.


What interval do you guys recommend? I'm thinking split the difference and do 10K changes. I have a 2006 330xi that is out of warranty with 114K on it.

Thanks.
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      06-18-2012, 05:31 PM   #2
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I change it in the spring and fall. Twice a year. drive it 15000K per year so approximately every 7000K.
Had a 2001 BMW 328i and found sludge buid-up when changed as BMW recommended. Might be overkill but better to be safe than sorry. Mt 2 cents
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      06-18-2012, 06:33 PM   #3
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i change my oil every 3 months/3000 miles and then ill bring it in to the dealer for their annual oil change because i have extended maintenance
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      06-18-2012, 06:36 PM   #4
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Quote:
Originally Posted by Boneout View Post
i change my oil every 3 months/3000 miles and then ill bring it in to the dealer for their annual oil change because i have extended maintenance
you are wasting you're money.

7500.
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      06-18-2012, 07:38 PM   #5
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i usually do anything from 5-8k miles. really depends on when i have time, but i try my best to do it at every 7.5k. as the car gets older, i might do it a little earlier at around 5-6k. i'm out of warranty and at 61k miles (approx 6 1/4 years old)
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      06-18-2012, 07:43 PM   #6
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What is the advantage of 7500 vr 10k?
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      06-18-2012, 07:50 PM   #7
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You should be fine at 10,000 Kilometers. Just don't follow what BMW recommends. Way to long, even for synthetic oil.
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      06-18-2012, 07:52 PM   #8
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Quote:
Originally Posted by NBK View Post
you are wasting you're money.

7500.
cant be wasting money when oil and filters are free for me
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      06-18-2012, 07:54 PM   #9
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Quote:
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cant be wasting money when oil and filters are free for me
aren't you special, wasting oil.
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      06-18-2012, 07:54 PM   #10
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I'm talking about 10,000 miles
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      06-18-2012, 07:56 PM   #11
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10,000 miles is too long for me. I'd go no more than 7,500 miles. Just my opinion. Don't care what kind of snake oil it is....no more than 7,500.
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      06-18-2012, 10:09 PM   #12
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Quote:
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aren't you special, wasting oil.
its not a waste. It all gets recycled into new oil or fuel oil. either way someone is going to use either that recycled oil or fuel oil... when crude is $90+/bbl, used oil is not wasted...

and on the subject of 'waste of money' changing at 3k, oil is cheap as chips. A rebuilt N52 would run $3k+ just for the engine (no labor). Thats a shite load of oil.

If you have ever rebuilt a few engines, you know you can spot the one that had long change intervals regardless of the brand of oil...
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      06-19-2012, 12:16 AM   #13
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I'd say 5-7.5k miles depending on your driving habits. I do a lot of spirited driving, so I try to do it around 5k. If you're the one to drive more conservatively, 7.5k miles should be fine. As everyone's said, 10k is pushing it as it will just result in a shorter life cycle of the engine, and BMW's "recommended" 15k is just nuts!!
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      06-19-2012, 12:25 AM   #14
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I may be a little of topic but I was wondering if my 2009 328I has a dipstick to check the motor oil level??
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      06-19-2012, 03:10 AM   #15
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I may be a little of topic but I was wondering if my 2009 328I has a dipstick to check the motor oil level??
nope
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      06-19-2012, 06:05 AM   #16
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From what I understand, all e9x use an onboard computer to check oil level. Simply use the little control on the top left toggler to select what you want to check(ie. control check, oil level, set time/date/brightness, etc).
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      06-19-2012, 06:12 AM   #17
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Quote:
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cant be wasting money when oil and filters are free for me
Send me a bunch of free oil/filters - I'll pay shipping

Change my oil every 7500, DIY in between free changes
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      06-19-2012, 06:13 AM   #18
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i do mine every 6000 km's / use oem oil.
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      06-19-2012, 09:33 AM   #19
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Quote:
Originally Posted by chaFT328i View Post
From what I understand, all e9x use an onboard computer to check oil level. Simply use the little control on the top left toggler to select what you want to check(ie. control check, oil level, set time/date/brightness, etc).

Thanks bro. I tried it but on my oil level all its has is a Min/Max line and there's like a little clock ticking, so I'm not sure if that means it needs oil. Would you be able to help on that, like what would it display if the oil level is good or what wold it display if it needs oil? Please..
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      06-19-2012, 09:37 AM   #20
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Quote:
Originally Posted by R.SaenzE90 View Post
Thanks bro. I tried it but on my oil level all its has is a Min/Max line and there's like a little clock ticking, so I'm not sure if that means it needs oil. Would you be able to help on that, like what would it display if the oil level is good or what wold it display if it needs oil? Please..
That's all the gauge has - a Min/Max line.

And the clock ticking means that it's figuring the oil level - it takes a couple minutes (best to check when oil is hot), once the clock goes away, it will show a bar graph as to your oil level. There is no way of knowing how much to add exactly if the line shows below Min, you pretty much have to guess and go by experience...

Nice, huh?
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      06-19-2012, 12:40 PM   #21
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I do my oil change at 7500 miles. One I get done my self and the other time is during BMW scheduled maintenance.
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      06-19-2012, 02:43 PM   #22
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Quote:
Originally Posted by 1QuikWS6 View Post
Send me a bunch of free oil/filters - I'll pay shipping

Change my oil every 7500, DIY in between free changes
haha i wish. I usually do my oil changes at the dealer and i use their oil gun
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