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BMW's Oil
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10-11-2008, 06:25 PM | #1 |
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BMW's Oil
How does BMW make the determination of what oil to promote in their vehicles?
I am fairly sure they used to use Mobile1 before Castrol, right? Is there a scientific reason such as the performance is better or is it merely business negotiations and sponsorships. I began using Mobile1 when I had my e36 M3 because, if I recall correctly, BMW used it and therefore backed it. I then began filling up with Mobile gas since then, because well... why not? Now they have Castrol on board and I still use Mobile1. Did an oil change on my 2008 335i around 2k miles and I began to think that when I go for my scheduled maintenance they will put back in Castrol. So do I stick with Castrol in the future? Will the dealership charge a lot more for their Castrol oil? Does it even really matter? J3
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10-11-2008, 07:28 PM | #2 |
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As long as it's still under warrranty, I'd use the Bmw castrol. But whatever you decide to use, just make sure it's a quality synthetic, because our engines like to roast motor oil.....
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2008 E90 335i.| Montego | Black Leather| Aluminum Trim | Premium | Sports Package with 18's | Sirius Sat Radio | Comfort Access | Rear fold down seats | Ordered on May 05, 2008. | Born on May 15, 2008 / Delivered July 23, 2008
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10-11-2008, 08:18 PM | #3 |
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i think sponsorship
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10-11-2008, 09:35 PM | #4 |
Philly that is...
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Yea i just happened to check the digi-oil-meter and it was half way which prompted me to ask.
How much is the oil from BMW? Same as at stores?
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10-11-2008, 10:12 PM | #5 |
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the oil you buy from the dealerships has a bmw label on it. You cannot find this labeled oil in any regular store. One of our sponsors Ticher Bmw has a very good deal on a whole oil change kit for like 54 bucks.
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2008 E90 335i.| Montego | Black Leather| Aluminum Trim | Premium | Sports Package with 18's | Sirius Sat Radio | Comfort Access | Rear fold down seats | Ordered on May 05, 2008. | Born on May 15, 2008 / Delivered July 23, 2008
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10-11-2008, 11:22 PM | #6 |
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Keep in mind the BMW Castro is NOT the same as the Castro you get a Walmart or some other Auto parts store. It's a Euro Synthetic.
And if you're thinking Mobil 1, that's cool, but DON'T get the off the self 5-30 Mobil 1 that's widely available- It's crap. You want the Euro 0-40 or 5-40. The 0-40 is more redily available.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
Last edited by aus; 10-12-2008 at 05:06 PM.. |
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10-12-2008, 12:17 AM | #7 |
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Is there truth in this? Euro synthetic? Sorry don't feel like looking for the facts when you seem to know it, maybe?
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10-12-2008, 04:58 PM | #9 | |
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I liked BMW better when my E34 was out and they had a list of ~15 different oil weights I could use depending on the temperature...not this euro-synthetic 5W-30 castrol 1 paranoia oil that BMW thinks is good enough for yearly changes... |
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10-12-2008, 05:05 PM | #10 |
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The US Mobil 1 is thinner than the Euro Castro 5-30 that BMW uses. Not all ratings are the same since there's a range of viscousity the oil can be for each number, so theoretically, you could have a 5-30 that's thicker than another manufacture's 5-40.
If you look on the back of the US 5-30 bottle, you'll note that it's not ACEA A3 or LL01 spec'ed, which the Euro Mobil 1 0-40 and 5-40 do meet. It's the main reason Mobil still imports this stuff because all the German cars require it, from Audi, BMW, MB, to Porsche. Here's a good thread: http://forums.bimmerforums.com/forum...highlight=acea Many feel the Euro Castro 0-30 is the best oil out there for BMW's.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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10-12-2008, 05:16 PM | #11 | |
Philly that is...
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Quote:
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10-13-2008, 11:13 AM | #13 | ||
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On a serious note, your comment about viscosity simply isn't true, a 5W30 will always be thinner than a 5W40. That being said, a very thick 5W30 can be very close to a very thin 5W40 as the high temp rating of the 5W30 could be nearly a 12.49 cSt while the high temp rating of the 5W40 could be as low as 12.5 cSt. Quote:
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10-14-2008, 05:47 PM | #14 |
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Make sure it is LL01 approved and you'll be OK. Right now in the US that generally means the BMW oil (Castrol 5W-30 -- not the same Castrol 5W-30 in the auto marts) or Mobil 0W-40.
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10-15-2008, 08:20 AM | #15 | |
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Engineering writes the oil spec, LL01 in this case, which any brand is free to design and test too. This is a tough standard to meet (as is also true of VW and MB oil specs). |
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10-15-2008, 11:36 AM | #16 | |
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http://www.bmwusa.com/Standard/Conte...ngineOils.aspx
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10-20-2008, 06:09 PM | #18 | |
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That's assuming a 2006 325i requires LL01 oil. Check your owner's manual.
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10-21-2008, 01:04 PM | #19 |
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If it's Mobil 1, then it's the wrong oil. The only LL-01 rated oil is the 0-40 or 5-40 (hard to find).
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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