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does anyone try 0w20 oil on BMW #4515631
09/13/17 09:36 PM
09/13/17 09:36 PM
Joined: Sep 2017
Posts: 2
HK
DeanZ Offline OP
DeanZ  Offline OP
Joined: Sep 2017
Posts: 2
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.

Re: does anyone try 0w20 oil on BMW [Re: DeanZ] #4515636
09/13/17 09:39 PM
09/13/17 09:39 PM
Joined: Oct 2014
Posts: 11,845
Idaho
CT8 Online content
CT8  Online Content
Joined: Oct 2014
Posts: 11,845
Idaho
Why?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: does anyone try 0w20 oil on BMW [Re: DeanZ] #4515645
09/13/17 09:46 PM
09/13/17 09:46 PM
Joined: Dec 2011
Posts: 4,743
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,743
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.


"Zed's dead baby, Zed's dead."
Re: does anyone try 0w20 oil on BMW [Re: CT8] #4515657
09/13/17 10:04 PM
09/13/17 10:04 PM
Joined: Sep 2017
Posts: 2
HK
DeanZ Offline OP
DeanZ  Offline OP
Joined: Sep 2017
Posts: 2
HK
if 0w20 can provide same protection under mild driving, I would like try it

Last edited by DeanZ; 09/13/17 10:08 PM.
Re: does anyone try 0w20 oil on BMW [Re: DeanZ] #4515691
09/13/17 11:10 PM
09/13/17 11:10 PM
Joined: Aug 2003
Posts: 1,060
Vancouver, Canada
jaj Offline
jaj  Offline
Joined: Aug 2003
Posts: 1,060
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.

Re: does anyone try 0w20 oil on BMW [Re: jaj] #4515696
09/13/17 11:19 PM
09/13/17 11:19 PM
Joined: Nov 2012
Posts: 234
NorCal
Seventh Offline
Seventh  Offline
Joined: Nov 2012
Posts: 234
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

Re: does anyone try 0w20 oil on BMW [Re: CT8] #4515699
09/13/17 11:25 PM
09/13/17 11:25 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: CT8
Why?


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

Re: does anyone try 0w20 oil on BMW [Re: DeanZ] #4515739
09/14/17 01:39 AM
09/14/17 01:39 AM
Joined: Aug 2014
Posts: 506
WA
SnowDrifter Offline
SnowDrifter  Offline
Joined: Aug 2014
Posts: 506
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

Last edited by SnowDrifter; 09/14/17 01:41 AM.

2005 Tahoe - 135k
2003 Forester(the swagger wagon) - Rehomed
1999 Passat - Rehomed
Re: does anyone try 0w20 oil on BMW [Re: DeanZ] #4515740
09/14/17 01:39 AM
09/14/17 01:39 AM
Joined: Sep 2017
Posts: 8
Europe
M52 Offline
M52  Offline
Joined: Sep 2017
Posts: 8
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.

Re: does anyone try 0w20 oil on BMW [Re: M52] #4515741
09/14/17 01:44 AM
09/14/17 01:44 AM
Joined: Dec 2011
Posts: 4,743
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,743
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."
Re: does anyone try 0w20 oil on BMW [Re: SnowDrifter] #4515761
09/14/17 05:04 AM
09/14/17 05:04 AM
Joined: Dec 2002
Posts: 40,884
'Stralia
Shannow Offline
Shannow  Offline
Joined: Dec 2002
Posts: 40,884
'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 ?

Re: does anyone try 0w20 oil on BMW [Re: Shannow] #4515795
09/14/17 06:18 AM
09/14/17 06:18 AM
Joined: Dec 2011
Posts: 4,743
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,743
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."
Re: does anyone try 0w20 oil on BMW [Re: M52] #4515848
09/14/17 07:36 AM
09/14/17 07:36 AM
Joined: Aug 2011
Posts: 9,560
Boston, MA
HerrStig Offline
HerrStig  Offline
Joined: Aug 2011
Posts: 9,560
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.

Re: does anyone try 0w20 oil on BMW [Re: HerrStig] #4515870
09/14/17 07:58 AM
09/14/17 07:58 AM
Joined: Apr 2017
Posts: 1,480
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,480
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.

Last edited by mightymousetech; 09/14/17 08:05 AM.

Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: does anyone try 0w20 oil on BMW [Re: mightymousetech] #4516227
09/14/17 03:32 PM
09/14/17 03:32 PM
Joined: Sep 2017
Posts: 8
Europe
M52 Offline
M52  Offline
Joined: Sep 2017
Posts: 8
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...

Last edited by M52; 09/14/17 03:34 PM.
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