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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 06-14-2012, 02:05 PM
salu. salu. is offline
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Engine oil help - 5w40 or 0w40?

Hey - I have a 2003 BMW 318i 2L Petrol (64k mileage) and wondered if it's okay to use Castrol Edge 5w30 instead of 0w30?

My local store recommends 0w30 for my car but what will be the difference if I were to use the 5w30 instead?

Thanks

Last edited by salu.; 06-14-2012 at 02:51 PM.
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  #2  
Old 06-14-2012, 02:15 PM
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5w30 full synthetic.
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  #3  
Old 06-14-2012, 02:27 PM
salu. salu. is offline
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Originally Posted by MalibuMafiaV View Post
5w30 full synthetic.
Yes that's the one - will it be okay to use this instead of the 0w40 which is supposedly the recommended one?
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  #4  
Old 06-14-2012, 02:31 PM
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Originally Posted by salu. View Post
Yes that's the one - will it be okay to use this instead of the 0w40 which is supposedly the recommended one?
No, that`s too thin....go with the 0W-40....
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  #5  
Old 06-14-2012, 08:27 PM
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Originally Posted by Fast Bob View Post
No, that`s too thin....go with the 0W-40....
I use Mobile 1's 0-40 which is one of the synthetics approved by BMW. There's a list somewhere, can't recall where, possibly on the E46 wiki.

Addendum: yes list of rec oils on the e46 wiki.
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Last edited by AndDown; 06-14-2012 at 08:32 PM.
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  #6  
Old 06-14-2012, 10:13 PM
TerraPhantm TerraPhantm is offline
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Use either:
Castrol 0w-30
BMW 5w-30
Mobil1 0w-40

That's about all you can find locally. There are a couple more optios if you're willing to buy online. I think Motul makes a 5w-40 formulation that is LL-01 approved
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  #7  
Old 06-15-2012, 07:16 AM
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ENGINE OIL, CANNED RESPONSE #160
*****************************

This is a topic a much debate and what seems like a never ending diatribe. Here are the basic facts addressing the issue of engine oil.

This is what BMW says:

http://www.bmwusa.com/Standard/Conte...ngineOils.aspx

Many here use

BMW 5w-30
Mobil1 0w-40
Castrol 0w-30

But whatever you use make sure it is fully synthetic and LL-01 approved!

More information available in the WIKI

*****************************

These 2 are brought to you by just another old curmudgeon too tired to write the same thing more than once.
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  #8  
Old 06-15-2012, 01:17 PM
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NOOOOOOOOOOOOOOO!!!!!!!!!!!!!!
DONT USE CASTROL 0W30!!! In Europe that is LL04, you are risking your engine's life. Also, its not the so called "German Castrol LL01" they have in the States.

Use Mobil1 0W40, or Agip 5W40 LL01, Valvoline 5W30 LL01, (Synpower)
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  #9  
Old 06-15-2012, 04:03 PM
SunnyandRich SunnyandRich is offline
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Quote:
Originally Posted by P_T View Post
ENGINE OIL, CANNED RESPONSE #160
*****************************

This is a topic a much debate and what seems like a never ending diatribe. Here are the basic facts addressing the issue of engine oil.

This is what BMW says:

http://www.bmwusa.com/Standard/Conte...ngineOils.aspx

Many here use

BMW 5w-30
Mobil1 0w-40
Castrol 0w-30

But whatever you use make sure it is fully synthetic and LL-01 approved!

More information available in the WIKI

*****************************

These 2 are brought to you by just another old curmudgeon too tired to write the same thing more than once.
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  #10  
Old 06-18-2012, 12:53 PM
e46mook e46mook is offline
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i run Mobil 1 0w40 in mine
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  #11  
Old 06-18-2012, 10:02 PM
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Quote:
Originally Posted by e46mook View Post
i run Mobil 1 0w40 in mine
O'Reillys has them on sale right now for $5.99/qt. I bought a whole bunch when they had them on sale for $4.99/qt two years ago. Retail is close to $9 I believe.
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  #12  
Old 06-19-2012, 12:23 AM
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Quote:
Originally Posted by P_T View Post
ENGINE OIL, CANNED RESPONSE #160
*****************************

This is a topic a much debate and what seems like a never ending diatribe. Here are the basic facts addressing the issue of engine oil.

This is what BMW says:

http://www.bmwusa.com/Standard/Conte...ngineOils.aspx

Many here use

BMW 5w-30
Mobil1 0w-40
Castrol 0w-30

But whatever you use make sure it is fully synthetic and LL-01 approved!

More information available in the WIKI

*****************************

These 2 are brought to you by just another old curmudgeon too tired to write the same thing more than once.
What he said:
your answer is quite simple: LL01
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  #13  
Old 06-19-2012, 02:33 AM
TerraPhantm TerraPhantm is offline
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Quote:
Originally Posted by Fifty_Cent View Post
NOOOOOOOOOOOOOOO!!!!!!!!!!!!!!
DONT USE CASTROL 0W30!!! In Europe that is LL04, you are risking your engine's life. Also, its not the so called "German Castrol LL01" they have in the States.

Use Mobil1 0W40, or Agip 5W40 LL01, Valvoline 5W30 LL01, (Synpower)
LL04 is acceptable in Europe.
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  #14  
Old 06-19-2012, 07:21 AM
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Quote:
Originally Posted by Fifty_Cent View Post
NOOOOOOOOOOOOOOO!!!!!!!!!!!!!!
DONT USE CASTROL 0W30!!! In Europe that is LL04, you are risking your engine's life. Also, its not the so called "German Castrol LL01" they have in the States.
It's almost impossible to find a LL04 oil in the US (whatever 0W30 he's looking at is probably not even LL01; probably an ACEA A5/B5 oil.) An LL04 oil won't kill your engine, but it's likely to kill your catalysts (due to binding with the higher sulfur in our gasoline) and the oil won't last very long because of that.

I don't know why people don't check the BMWNA website first (of course they don't make it easy) or RTFM when figuring out which oil to use.
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  #15  
Old 06-19-2012, 08:32 AM
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Quote:
Originally Posted by floydarogers View Post
I don't know why people don't check the BMWNA website first (of course they don't make it easy) or RTFM when figuring out which oil to use.
We made it easy and put the information in our WIKI... to which a link appears on every page of our subforum.

If oil threads generated income for supporters of the site, we'd all be getting quarterly dividend checks.
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  #16  
Old 06-19-2012, 08:33 AM
YiMMA2k5 YiMMA2k5 is offline
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would mobil 1 Ow-30 full synthetic racing oil work as well?
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  #17  
Old 06-19-2012, 08:42 AM
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Quote:
Originally Posted by floydarogers View Post
It's almost impossible to find a LL04 oil in the US (whatever 0W30 he's looking at is probably not even LL01; probably an ACEA A5/B5 oil.) An LL04 oil won't kill your engine, but it's likely to kill your catalysts (due to binding with the higher sulfur in our gasoline) and the oil won't last very long because of that.

I don't know why people don't check the BMWNA website first (of course they don't make it easy) or RTFM when figuring out which oil to use.
Actually I think its the opposite. All LL04 oils have lower tbn (TOTAL BASE VALUES) meaning according to www.bobistheoilsguy.com
TBN oil analysis

Oils are continually exposed to acidic compounds which cause the oil to turn more acidic. This is particularly true of crankcase oils. In an attempt to combat this problem, manufacturers give the oil a 'reserve alkalinity' which is designed to 'cancel out' any acidity which forms in the oil during use. The TBN determines how effective the battle will be against any acids formed during the combustion process. A higher TBN means the oil has more reserve alkalinity available which can be used to reduce the corrosive effects of acids.
A low TBN can also reduce the detergency of an oil and can therefore lead to fouling within the crankcase.
As a general rule of thumb, if the TBN is measured at 2.0mg KOH g-1 or less, or if it's 50% of the virgin oil TBN, the oil is considered unfit for engine protection and there is a risk that corrosion could take place. The use of a high sulphur fuel will decrease the TBN at a faster rate due to the increased formation of sulphuric acid.

So why risk that, when you have a plethora of LL01 approved oils to use???
There is at least 2 for every viscocity, to suit all sorts of weather conditions.
If in doubt, just use MOBIL1 0W40, its good for all weather conditions globally

Here is what BMW says:
Attached Files
File Type: pdf BMW-Oil-Specs-and-Recs.pdf (95.6 KB, 87 views)
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Last edited by Fifty_Cent; 06-19-2012 at 08:49 AM.
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  #18  
Old 06-19-2012, 08:44 AM
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Quote:
Originally Posted by YiMMA2k5 View Post
would mobil 1 Ow-30 full synthetic racing oil work as well?
Heck if any of us know. What is the ACEA rating? LL-01 is essentially ACEA A3/B4. If it meets that, it's probably "OK", and is only missing a few additives that BMW has Castrol put into the 5W-30 Euro.
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Old 06-19-2012, 08:49 AM
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Originally Posted by Fifty_Cent View Post
Actually I think its the opposite. All LL04 oils have lower tbn ..
That's what I said; you are saying the same thing using way more words. Note the part in my post where I say: "...and the oil won't last very long because of that". I was referring to the high sulfur, but perhaps my phrasing wasn't clear on that.

Amusing that LL-04 is used on the diesel engines in the US where the low TBN isn't as much a factor since diesel in the US has lower sulfur content than gasoline.
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Old 06-19-2012, 08:52 AM
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Quote:
Originally Posted by floydarogers View Post
Heck if any of us know. What is the ACEA rating? LL-01 is essentially ACEA A3/B4. If it meets that, it's probably "OK", and is only missing a few additives that BMW has Castrol put into the 5W-30 Euro.
In countries where outside temperatures frequently fall below -20C,
we therefore recommend 0W instead of 5W products. BMW Longlife oils are only available in the

viscosity grades SAE 0W-30, SAE 0W-40, SAE 5W-30 and SAE 5W-40.
*******>********>*******>********>
Mobil 1 0W-30 Advanced Fuel Economy meets or exceeds the requirements of
ACEAA1/B1, A5/B5
APISN,SL,SJ
ILSACGF-5
FordWSS-M2C946-A




*******>********>*******>********>
According to ExxonMobil, Mobil 1 0W-30 Advanced Fuel Economy is of the following quality level:
FordWSS-M2C929-A
General MotorsGM 4718M
General MotorsGM 6094M
APICF




So tell me a reason why not to use 0W40 LL01 mobil1 instead of this???
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Last edited by Fifty_Cent; 06-19-2012 at 08:55 AM.
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  #21  
Old 06-19-2012, 08:58 AM
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Quote:
Originally Posted by floydarogers View Post
That's what I said; you are saying the same thing using way more words. Note the part in my post where I say: "...and the oil won't last very long because of that". I was referring to the high sulfur, but perhaps my phrasing wasn't clear on that.

Amusing that LL-04 is used on the diesel engines in the US where the low TBN isn't as much a factor since diesel in the US has lower sulfur content than gasoline.
No I was saying that the lower TBN combined with high sulphur will more likely affect the engine than the catalyst....Anyways, I have tried an LL04 oil and it sucked big time. What I am saying is that why risk it, since you cannot find out the sulphur content in the the crap quality fuel that most of the world has (yeah yeah Western Europe has the top quality one) in an engine that was built to run on LL01 and LL98 (reduced interval to 7000)
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