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#4515631 - 09/13/17 09:36 PM does anyone try 0w20 oil on BMW
DeanZ Offline


Registered: 09/07/17
Posts: 2
Loc: HK
i'm using mobil 1 0w40 fs on my BMW X1(N20b20 engine). as the ll-14fe said it's ok to use a 0w20 oil. curious about the oil performance on BMW. and if anyone has a UOA report would be much helpful. tkx.

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#4515636 - 09/13/17 09:39 PM Re: does anyone try 0w20 oil on BMW [Re: DeanZ]
CT8 Offline


Registered: 10/09/14
Posts: 9487
Loc: Idaho
Why?

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#4515645 - 09/13/17 09:46 PM Re: does anyone try 0w20 oil on BMW [Re: DeanZ]
rooflessVW Offline


Registered: 12/24/11
Posts: 2981
Loc: North Carolina
If you're a typical USA BMW driver and never tip the throttle past , you'll probably get better fuel economy and maybe even wear numbers using a BMW-approved 0W-20.
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"Zed's dead baby, Zed's dead."

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#4515657 - 09/13/17 10:04 PM Re: does anyone try 0w20 oil on BMW [Re: CT8]
DeanZ Offline


Registered: 09/07/17
Posts: 2
Loc: HK
if 0w20 can provide same protection under mild driving, I would like try it


Edited by DeanZ (09/13/17 10:08 PM)

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#4515691 - 09/13/17 11:10 PM Re: does anyone try 0w20 oil on BMW [Re: DeanZ]
jaj Offline


Registered: 08/21/03
Posts: 1014
Loc: Vancouver, Canada
I thought that LL14FE (0w20) was back-spec'd to everything that BMW built after about 2001 that wasn't an "M" model.

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#4515696 - 09/13/17 11:19 PM Re: does anyone try 0w20 oil on BMW [Re: jaj]
Seventh Offline


Registered: 11/11/12
Posts: 234
Loc: NorCal
Originally Posted By: jaj
I thought that LL14FE (0w20) was back-spec'd to everything that BMW built after about 2001 that wasn't an "M" model.


No. You're thinking of LL01FE, the A5/B5 0w30

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#4515699 - 09/13/17 11:25 PM Re: does anyone try 0w20 oil on BMW [Re: CT8]
Merkava_4 Online   content


Registered: 01/30/07
Posts: 17061
Loc: Clovis, CA
Originally Posted By: CT8
Why?


Because people think oil is like blood---the thinner the better.

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#4515739 - 09/14/17 01:39 AM Re: does anyone try 0w20 oil on BMW [Re: DeanZ]
SnowDrifter Offline


Registered: 08/24/14
Posts: 390
Loc: WA
Well flow is more important than viscosity.. To a point

Edit: I'll also add that I'd be weary of deviating from the suggested oil viscosity if you have things like oil pressure activated VVT


Edited by SnowDrifter (09/14/17 01:41 AM)

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#4515740 - 09/14/17 01:39 AM Re: does anyone try 0w20 oil on BMW [Re: DeanZ]
M52 Offline


Registered: 09/04/17
Posts: 8
Loc: Europe
Originally Posted By: DeanZ
if 0w20 can provide same protection under mild driving, I would like try it

Who the [censored] buys a BMW to drive it ''mildly'' all the time?..There are Prius' for such purpose.

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#4515741 - 09/14/17 01:44 AM Re: does anyone try 0w20 oil on BMW [Re: M52]
rooflessVW Offline


Registered: 12/24/11
Posts: 2981
Loc: North Carolina
Originally Posted By: M52
Who the [censored] buys a BMW to drive it ''mildly'' all the time?..There are Prius' for such purpose.

LOL. Most of the people that buy them new. More to the point, who buys a new car and just hammers the throttle all the time?
_________________________
"Zed's dead baby, Zed's dead."

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#4515761 - 09/14/17 05:04 AM Re: does anyone try 0w20 oil on BMW [Re: SnowDrifter]
Shannow Online   content


Registered: 12/12/02
Posts: 37200
Loc: 'Stralia
Originally Posted By: SnowDrifter
Well flow is more important than viscosity.. To a point


Care to back that up with some facts and data ?

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#4515795 - 09/14/17 06:18 AM Re: does anyone try 0w20 oil on BMW [Re: Shannow]
rooflessVW Offline


Registered: 12/24/11
Posts: 2981
Loc: North Carolina
Originally Posted By: Shannow
Originally Posted By: SnowDrifter
Well flow is more important than viscosity.. To a point

Care to back that up with some facts and data ?

Or to even clarify the statement? "Flow" with regards to what?
_________________________
"Zed's dead baby, Zed's dead."

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#4515848 - 09/14/17 07:36 AM Re: does anyone try 0w20 oil on BMW [Re: M52]
HerrStig Offline


Registered: 08/24/11
Posts: 9560
Loc: Boston, MA
Originally Posted By: M52
Originally Posted By: DeanZ
if 0w20 can provide same protection under mild driving, I would like try it

Who the [censored] buys a BMW to drive it ''mildly'' all the time?..There are Prius' for such purpose.
"Hammering it" all the time in heavy US metro traffic gets you the title of "Bust My Wallet" jerk.

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#4515870 - 09/14/17 07:58 AM Re: does anyone try 0w20 oil on BMW [Re: HerrStig]
mightymousetech Offline


Registered: 04/03/17
Posts: 878
Loc: Ontario, Canada
Originally Posted By: HerrStig
Originally Posted By: M52
Originally Posted By: DeanZ
if 0w20 can provide same protection under mild driving, I would like try it

Who the [censored] buys a BMW to drive it ''mildly'' all the time?..There are Prius' for such purpose.
"Hammering it" all the time in heavy US metro traffic gets you the title of "Bust My Wallet" jerk.


Only if you don't take care of it properly.

There is also a big difference between driving fast and abusing the vehicle.


Edited by mightymousetech (09/14/17 08:05 AM)
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#4516227 - 09/14/17 03:32 PM Re: does anyone try 0w20 oil on BMW [Re: mightymousetech]
M52 Offline


Registered: 09/04/17
Posts: 8
Loc: Europe
Originally Posted By: mightymousetech

Only if you don't take care of it properly.

There is also a big difference between driving fast and abusing the vehicle.


Bingo. Indeed one of the worst things one can do to a BMW is driving it granny style all the time - especially M Power engines don't forgive such fails.
More interesting in this case is what's the OP aiming when using 0W-20 in this car? I frankly see no benefit at all, just the contrary. Not that the factory recomended 0W-30 isn't already thin enough as to make things even thinner...


Edited by M52 (09/14/17 03:34 PM)

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