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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Oil change advice



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      06-11-2012, 06:33 PM   #1
Blubaron79
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Oil change advice

My car has about 7k miles on it since my oil was last changed. Since then: I added the PPK 6 months ago. I had all 6 injectors replaced. I added 5 bottles of FI cleaner 2 months ago until they figured out it needed walnut blasted. I have a feeling my oil might need an early change due to all my engine maintenance; especially with the walnut blast and FI cleaner.

Should I change it early?
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      06-11-2012, 06:51 PM   #2
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Quote:
Originally Posted by Blubaron79 View Post
My car has about 7k miles on it since my oil was last changed. Since then: I added the PPK 6 months ago. I had all 6 injectors replaced. I added 5 bottles of FI cleaner 2 months ago until they figured out it needed walnut blasted. I have a feeling my oil might need an early change due to all my engine maintenance; especially with the walnut blast and FI cleaner.

Should I change it early?
I typically change mine around 8k anyway. So my vote is YES!
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      06-11-2012, 07:22 PM   #3
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The best time to change your oil is between 5-7k miles with synthetic depending on how much you drive.
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      06-11-2012, 07:51 PM   #4
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I change mine every 3k miles...
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      06-11-2012, 08:01 PM   #5
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Quote:
Originally Posted by Diggy Diggy View Post
I change mine every 3k miles...
seems like overkill....
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      06-12-2012, 07:55 AM   #6
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Seems like most folks are doing an intermittent change anyway.
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      06-12-2012, 08:20 AM   #7
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I vote yes for a oil change now, it will never hurt anything changing your oil early. My first oil change will be done at 3000 miles but my next will be done every 5000 miles.
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      06-12-2012, 08:54 AM   #8
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I try and do it every 5,000 miles. Sometimes I get lazy and go 7,000 but not too often.
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      06-12-2012, 09:50 AM   #9
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I'm trying to keep this car for another 40-50k miles. I'll change it tomorrow. Thanks!
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      06-12-2012, 09:52 AM   #10
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Quote:
Originally Posted by Blubaron79 View Post
My car has about 7k miles on it since my oil was last changed. Since then: I added the PPK 6 months ago. I had all 6 injectors replaced. I added 5 bottles of FI cleaner 2 months ago until they figured out it needed walnut blasted. I have a feeling my oil might need an early change due to all my engine maintenance; especially with the walnut blast and FI cleaner.

Should I change it early?
When in doubt just change it. I recommend every 5-7K miles when tuned. Its cheap and the life blood of your motor so why not make sure its always fresh and clean.

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      06-12-2012, 09:58 AM   #11
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Without an oil analysis done everyone is just guessing.

I liked to change my around 7-8K though.

People would be surprised how long their oil can last after an oil analysis.
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      06-12-2012, 10:03 AM   #12
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
Without an oil analysis done everyone is just guessing.

I liked to change my around 7-8K though.

People would be surprised how long their oil can last after an oil analysis.

Every study I've ever read confirms this, I just can't help but do it a bit more frequently.
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      06-12-2012, 10:08 AM   #13
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Quote:
Originally Posted by BMWsky View Post
Every study I've ever read confirms this, I just can't help but do it a bit more frequently.
There is actually a few articles about how the 3000K oil change is a scam, even for regular oil. It's all marketing. We as consumers are literally wasting oil and the "jiffy lubes" of the world are loving it.
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      06-12-2012, 10:14 AM   #14
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
There is actually a few articles about how the 3000K oil change is a scam, even for regular oil. It's all marketing. We as consumers are literally wasting oil and the "jiffy lubes" of the world are loving it.
I hear you. It took every fiber of my being to switch from 3000 to 5000-7000 mile changes as old habits are hard to break.
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      06-12-2012, 04:04 PM   #15
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every 7k miles is what I do. Castrol 0w-30.
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      06-12-2012, 04:07 PM   #16
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every 7k miles is what I do. Castrol 0w-30.
?? why? people usually go with 5w30(oem) or mobile 1 0w40.
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