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#3390789 - 06/06/14 03:06 PM 1997 BMW M3, oil?
stancyeze Offline


Registered: 06/06/14
Posts: 4
Loc: Northern Virginia
Hello, as stated above, I have a 1997 BMW M3 and I have heard about people using diesel engine oil in there M3's.. how is that good? 10W40 Shell Rotella is what I've heard is used. I just bought oil. Mobil 1 15W50, but I want to try something new..

Any thoughts? Was using 5w40 Motul before.

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#3390826 - 06/06/14 03:43 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
tudorart Offline


Registered: 07/17/11
Posts: 197
Loc: Transylvania, Romania, EU
Motul is cheap and deceiving.
I think a 50 weight is too much for you unless is a 0W or a 5W....but it really depends on your engine's shape.

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#3390827 - 06/06/14 03:46 PM Re: 1997 BMW M3, oil? [Re: tudorart]
stancyeze Offline


Registered: 06/06/14
Posts: 4
Loc: Northern Virginia
Originally Posted By: tudorart
Motul is cheap and deceiving.
I think a 50 weight is too much for you unless is a 0W or a 5W....but it really depends on your engine's shape.


A tech where I work told me to get 15W50 actually, and Motul is a decent race oil, but to each their own.

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#3390828 - 06/06/14 03:46 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
tudorart Offline


Registered: 07/17/11
Posts: 197
Loc: Transylvania, Romania, EU
double post...sorry.


Edited by tudorart (06/06/14 03:47 PM)

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#3390834 - 06/06/14 03:58 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
Lolvoguy Offline


Registered: 02/06/14
Posts: 1043
Loc: Canada
Why not use diesel? if anything it has a more robust additive pack than other conventional oils.

I run 15w40 in my 88 325is, and it loves it. The PO ran it on M1 15w50.

Save your money OP, unless you actually take advantage of the longer OCI's.
_________________________
07 Focus ZX4 SES- Wife
88 BMW 325is- Mistress
03 Suzuki SV650S- One night stand

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#3390835 - 06/06/14 04:00 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
Rand Offline


Registered: 08/20/03
Posts: 10543
Loc: NE,Ohio
Originally Posted By: stancyeze
Hello, as stated above, I have a 1997 BMW M3 and I have heard about people using diesel engine oil in there M3's.. how is that good? 10W40 Shell Rotella is what I've heard is used. I just bought oil. Mobil 1 15W50, but I want to try something new..

Any thoughts? Was using 5w40 Motul before.


most "diesel oil" is actually dual rated. and has a "stronger" additive pack

there is no 10w40 rotella,
there is 15w40, 5w40, 10w30, and 30wt
_________________________
2015 Forester I-Premium 6MT

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#3390843 - 06/06/14 04:07 PM Re: 1997 BMW M3, oil? [Re: Rand]
chrisri Offline


Registered: 06/01/14
Posts: 1300
Loc: Fiume, EU
Diesel oil in M3?Try Motul 300v 10w40 chrono.
_________________________
99 FIAT Punto Sporting 16v ( Shell Helix Ultra 5w40 )
06 FIAT Stilo MW 1.9 Multijet (Selenia WR 5w40)

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#3390861 - 06/06/14 04:21 PM Re: 1997 BMW M3, oil? [Re: Rand]
Clevy Offline


Registered: 11/11/10
Posts: 9782
Loc: Saskatoon canada
Originally Posted By: Rand
Originally Posted By: stancyeze
Hello, as stated above, I have a 1997 BMW M3 and I have heard about people using diesel engine oil in there M3's.. how is that good? 10W40 Shell Rotella is what I've heard is used. I just bought oil. Mobil 1 15W50, but I want to try something new..

Any thoughts? Was using 5w40 Motul before.


most "diesel oil" is actually dual rated. and has a "stronger" additive pack

there is no 10w40 rotella,
there is 15w40, 5w40, 10w30, and 30wt




Really?

So I must have hallucinated the t-5 10w-40 I saw,and the 0w-40 t-6 I almost bought yesterday doesn't exists.
And the 0w-40 t-5 right beside the t-6 was part of my dream too.

Dude. I suggest looking before posting false info.
Rotella can be found in pretty much every grade made. The only grade rotella I haven't seen are 50 grades,and 5w-30 grades,but I'm not saying they don't exist,just that I haven't personally seen them.
They've got pretty much everything else.
So your incorrect
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3390867 - 06/06/14 04:28 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
CATERHAM Offline


Registered: 11/18/05
Posts: 10103
Loc: Burlington, Ontario, Canada
Unless you're engine is worn (and an oil pressure test will tell your that), you shouldn't need to run anything heavier than the BMW 5W-30. In fact any 5W-30 should work just fine although they are a bit lower on ZDDP, not that that should be a problem if you don't push your oil change intervals.

So forget the diesel oils and anything heavier than M1 0W-40 without doing an OP test first. If you don't need a heavy oil your engine will run a lot better on something appropriately lighter.
_________________________
74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#3390874 - 06/06/14 04:35 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
yvon_la Offline


Registered: 05/20/14
Posts: 1269
Loc: quebec canada
even big truck are going to lighter oil ,so I doubt the oil thickness in your car will be an issue!just make sure its sn and gf-5
_________________________
Truck driver
Nissan versa note s 2014 Mobil Delvac 1 LE 5W-30 supertech st-6607(edition 2016) castrol transynd

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#3390876 - 06/06/14 04:35 PM Re: 1997 BMW M3, oil? [Re: CATERHAM]
stancyeze Offline


Registered: 06/06/14
Posts: 4
Loc: Northern Virginia
Originally Posted By: CATERHAM
Unless you're engine is worn (and an oil pressure test will tell your that), you shouldn't need to run anything heavier than the BMW 5W-30. In fact any 5W-30 should work just fine although they are a bit lower on ZDDP, not that that should be a problem if you don't push your oil change intervals.

So forget the diesel oils and anything heavier than M1 0W-40 without doing an OP test first. If you don't need a heavy oil your engine will run a lot better on something appropriately lighter.



Too light weight, those are more like winter weights for these older BMW's. When these cars came out they were requiring 10W-40 and 20W50 things of that natural, keep in mind these were conventional oils.

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#3390877 - 06/06/14 04:36 PM Re: 1997 BMW M3, oil? [Re: Clevy]
stancyeze Offline


Registered: 06/06/14
Posts: 4
Loc: Northern Virginia
Originally Posted By: Clevy
Originally Posted By: Rand
Originally Posted By: stancyeze
Hello, as stated above, I have a 1997 BMW M3 and I have heard about people using diesel engine oil in there M3's.. how is that good? 10W40 Shell Rotella is what I've heard is used. I just bought oil. Mobil 1 15W50, but I want to try something new..

Any thoughts? Was using 5w40 Motul before.


most "diesel oil" is actually dual rated. and has a "stronger" additive pack

there is no 10w40 rotella,
there is 15w40, 5w40, 10w30, and 30wt




Really?

So I must have hallucinated the t-5 10w-40 I saw,and the 0w-40 t-6 I almost bought yesterday doesn't exists.
And the 0w-40 t-5 right beside the t-6 was part of my dream too.

Dude. I suggest looking before posting false info.
Rotella can be found in pretty much every grade made. The only grade rotella I haven't seen are 50 grades,and 5w-30 grades,but I'm not saying they don't exist,just that I haven't personally seen them.
They've got pretty much everything else.
So your incorrect


So should I try out diesel oil on my car? I've always wanted to, my friends have had good luck with it in there high performance cars pushing higher torque and horsepower.

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#3390881 - 06/06/14 04:43 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
d00df00d Offline


Registered: 10/20/05
Posts: 10202
Loc: PA
Mobil 1 0w-40 is by FAR the best bang-for-the-buck. It carries the correct approvals for your car (as well as approvals for a lot of really high-performance applications), and can be had for just over $5/qt at Wal Mart any day of the week.

BMW 5w-30 is a good choice, too.

I had great results in my '96 M3 with RLI engine oils. I used the 0w-30, 5w-40 HD, and 15w-40 Low Ash. The 0w-30 was my favorite, but I ended up with the 15w-40 Low Ash to help fight oil consumption and its bad effects.

Motul was underwhelming to me. I tried the old X-Max 5w-30, the old X-Cess 5w-40, and 300V 5w-40. All were exceptionally tough but seemed unremarkable otherwise.

Diesel oils having a "stronger" or "more robust" additive pack is a popular idea, but it's really only true if you compare the average diesel oil to the average passenger car oil. Anything with the right approval for your car (BMW LL-01) will be plenty "strong" and "robust," and it'll have been made for cars like yours in the first place (unlike diesel oils).
_________________________
2011 Mazda RX-8 R3
Castrol GTX 5w-20

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#3390928 - 06/06/14 05:45 PM Re: 1997 BMW M3, oil? [Re: stancyeze]
ddtmoto Offline


Registered: 12/20/09
Posts: 262
Loc: Utah
Just make sure you address the DISA intake variable valve issue before in takes your motor out like the one I had the pay for. Pretty dang costly to put a used motor in a Beemer.....
_________________________
Mustang GT 5.0 Brembo '11
ram 5.9
TL1000S
GSXR1000
DRZ400E
'09 GTZ1400 Concours

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#3390942 - 06/06/14 06:07 PM Re: 1997 BMW M3, oil? [Re: d00df00d]
oliveoil Offline


Registered: 12/12/06
Posts: 325
Loc: snow and sun
Originally Posted By: d00df00d
Mobil 1 0w-40 is by FAR the best bang-for-the-buck. It carries the correct approvals for your car (as well as approvals for a lot of really high-performance applications), and can be had for just over $5/qt at Wal Mart any day of the week.

BMW 5w-30 is a good choice, too.

I had great results in my '96 M3 with RLI engine oils. I used the 0w-30, 5w-40 HD, and 15w-40 Low Ash. The 0w-30 was my favorite, but I ended up with the 15w-40 Low Ash to help fight oil consumption and its bad effects.

Motul was underwhelming to me. I tried the old X-Max 5w-30, the old X-Cess 5w-40, and 300V 5w-40. All were exceptionally tough but seemed unremarkable otherwise.

Diesel oils having a "stronger" or "more robust" additive pack is a popular idea, but it's really only true if you compare the average diesel oil to the average passenger car oil. Anything with the right approval for your car (BMW LL-01) will be plenty "strong" and "robust," and it'll have been made for cars like yours in the first place (unlike diesel oils).


Yes......what he said.

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