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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Mobil vs. Castrol



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      06-26-2006, 11:02 PM   #1
06E90Rostik
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Mobil vs. Castrol

I am about to do my first oil change and I was wondering about oil brand to pick. I know there been infinite battles over which oil to buy, but all let practically nowhere.

So I visited Castrol website and for E90 they have 5W30 Synthec
Mobil1 has 0W40 for E90

Now I am confused which one to buy. Anybody can help me? Thansk
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      06-26-2006, 11:04 PM   #2
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Mobile all the way. Make sure you check out the DIY for oil changing.
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      06-26-2006, 11:07 PM   #3
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I already checked out DIY got oil filter part number and everything, the only problem is choosing the right oil.

BTW BMW recomends Castrol :
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      06-26-2006, 11:09 PM   #4
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Quote:
Originally Posted by 06E90Rostik
I already checked out DIY got oil filter part number and everything, the only problem is choosing the right oil.

BTW BMW recomends Castrol :
Yeah I know they recommend Castro but I prefer Mobile and I believe others do too!
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      06-26-2006, 11:11 PM   #5
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http://www.amsoil.com/
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      06-26-2006, 11:11 PM   #6
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That is a good one too!
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      06-26-2006, 11:16 PM   #7
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Allright, but again owners manual says to use 5W40, which Mobile doesn't have
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      06-26-2006, 11:20 PM   #8
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Here's a link for AMSOil 5W-40
https://www.amsoil.com/storefront/afl.aspx
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      06-26-2006, 11:21 PM   #9
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It states 5w40 or 5w30 depending on which region you are at. Do a search and you will find all the answers. This has already been discussed.
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      06-26-2006, 11:22 PM   #10
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Mobile makes a 5w30 cause I have a shit load of it!
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      06-26-2006, 11:31 PM   #11
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Quote:
Originally Posted by 06E90Rostik
Allright, but again owners manual says to use 5W40, which Mobile doesn't have
0W-40 will be fine. BMW recommends Castrol for marketing purposes. It really doesn't matter which company you choose, as long it's high quality.
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      06-26-2006, 11:38 PM   #12
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Quote:
Originally Posted by 06E90Rostik
I already checked out DIY got oil filter part number and everything, the only problem is choosing the right oil.

BTW BMW recomends Castrol :
Castrol makes the BMW packaged oil you by at the dealership.
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      06-26-2006, 11:45 PM   #13
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Mobil 1 OW40 LL01

Mobil 1 or Castrol....they're both great!

My sister's Z3 - the oil cap says "Mobil 1 Recommended"
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      06-26-2006, 11:47 PM   #14
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Quote:
Originally Posted by NaTuReB0Y
Mobil 1 OW40 LL01

Mobil 1 or Castrol....they're both great!

My sister's Z3 - the oil cap says "Mobil 1 Recommended"
Oil cap in E90 says Castrol recommended.
I have my choice: Mobil1 5w30, $27/6qt at Costco.
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      06-26-2006, 11:52 PM   #15
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Quote:
Originally Posted by Pretender
Oil cap in E90 says Castrol recommended.
I have my choice: Mobil1 5w30, $27/6qt at Costco.
That is cheap and really shouldn't matter. It is about $5.50 here on the island of tax the shit out of me for any export.
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      06-26-2006, 11:54 PM   #16
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I have a bunch of 10W-30 in my garage that my dad bought. This post was useless lawl.
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      06-26-2006, 11:55 PM   #17
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I agree!
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      06-27-2006, 12:02 AM   #18
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Quote:
Originally Posted by Pretender
Oil cap in E90 says Castrol recommended.
I have my choice: Mobil1 5w30, $27/6qt at Costco.

O-40 is the recomended Mobil1 for our cars.....




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      06-27-2006, 12:07 AM   #19
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Quote:
Originally Posted by Jesse Wilson
O-40 is the recomended Mobil1 for our cars.....




Jesse
Read the manual again if you don't mind. It says Mobil1 5w30. Sometimes, reading the manual gives you a better idea.
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      06-27-2006, 01:52 AM   #20
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Quote:
Originally Posted by Pretender
Read the manual again if you don't mind. It says Mobil1 5w30. Sometimes, reading the manual gives you a better idea.
Read post #9 you need to read the manual again as well if you don't mind.
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      06-27-2006, 03:08 AM   #21
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The oil MUST say "BMW LL01" on the label regardless of the other numbers!!!
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      06-27-2006, 03:17 AM   #22
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Quote:
Originally Posted by carl_d
The oil MUST say "BMW LL01" on the label regardless of the other numbers!!!

LL01 is an older spec, they are now up to LL04! (which is 0W-30 in fact)

The Castrol LL04 is £14.99 for 1 litre in the UK ($28)
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