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Acschnitzer90
11-04-2008, 01:43 PM
what is the best oil you could use for your car???? like 10w 30

bimmer dot info
11-04-2008, 02:41 PM
15W40 is a good all around oil. The ideal grade dpends on your local temps.

SeanC
11-04-2008, 02:42 PM
I used GC 0W-30. Much better than M1 15W-50 I used before.

jbimmer95
11-04-2008, 06:46 PM
i live in central florida and i use 10w 40 grade oil with no problems .engine runs so smooth for many years with it. i have 125,000 touble free miles

Brian McKinney
11-04-2008, 11:06 PM
i switched to GC 0w-30 here in TX for e34 525i, I love the stuff. I ran it my e39 too. I own a BMW shop and use it on all inline 6's BMW-LL01 or older models to. The shearing resistance is bar none the best out there. The Royal Purple rep even admitted it was better than their stuff and they make great stuff.

robb01
11-05-2008, 12:16 AM
what is the best oil you could use for your car???? like 10w 30

Yes, Thats what i use.

laney
11-05-2008, 01:37 AM
I use 10-40 Syngard here in Oz no problems at all stays clean for ages mine has done 115,000 miles still going strong :thumbup:

attack eagle
11-05-2008, 01:44 AM
20w50 dino oil. that is the oil that the clearances in the engine were set for.

CDE
11-05-2008, 04:56 AM
GC = German Castrol?

Is there an online store that ships the stuff?

So many different recommendations. 10-30 is what I've seen used mostly. 20-50 as well, but I can never find it in shops or stores around here...

Max Gunner
11-05-2008, 03:43 PM
I use Royal Purple 20w50 in my '92 535i here in NC. Don't know if it's best, but it's seems great so far...

MG

SeanC
11-05-2008, 07:23 PM
GC = German Castrol?

Is there an online store that ships the stuff?

So many different recommendations. 10-30 is what I've seen used mostly. 20-50 as well, but I can never find it in shops or stores around here...

Correct. Most Autozones carry them in stock. They should be able to ship it as well. I would not use anything greater than 5W in colder climates (<~ 40F).

SeanC
11-05-2008, 07:23 PM
20w50 dino oil. that is the oil that the clearances in the engine were set for.

how so? sources please?

jbimmer95
11-05-2008, 08:54 PM
20w-50 oil is for very high mileage engines with ticking noices !20w 50 oil is thick like honey.it bad for fuel economy! it not recommend to be used in hot clamate weather ! unless the engine is junk

cpnwrench
11-06-2008, 04:14 AM
Folks,

just got back from l-o-o-o-n-g trip in the new aquired 525i....(5000miles),
prior to the trip I changed the oil to (yes you are readng it right)....

Mobil 1 10-30.

QUIET and SMooth the whole way!

however, Use what ya'll feel is best. I am stickin with the synth.

have had many diff cars ( proud an priviledged to be a BMW owner now though!) and always used the mobil 1 product.

never ever had problems.

:smokin:

Max Gunner
11-06-2008, 06:37 AM
Is there a different bottle or label or something for German Castrol vs. "regular"? How do you tell? What's the difference vs. regular Castrol and other oils?

thanks,

MG

Max Gunner
11-06-2008, 06:40 AM
20w-50 oil is for very high mileage engines with ticking noices !20w 50 oil is thick like honey.it bad for fuel economy! it not recommend to be used in hot clamate weather ! unless the engine is junk

Why would 20w50 be bad for hot climates? You use the lower numbers in colder weather, right?

Brian McKinney
11-06-2008, 06:44 AM
Max Gunner
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Location: North Carolina Join Date: Nov 2008
Posts: 6
Mein auto: 1992 535i
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Is there a different bottle or label or something for German Castrol vs. "regular"? How do you tell? What's the difference vs. regular Castrol and other oils?

yes German Castrol says two things Ow-30 and European Formula on the front, other than that it looks like a regualr Syntec bottle

Brian McKinney
11-06-2008, 06:45 AM
forgot to mention Mobil One just came out with a LL-01 0-40 Euro formula it;s $6.99 a quart here in AUstin

Max Gunner
11-06-2008, 07:02 AM
yes German Castrol says two things Ow-30 and European Formula on the front, other than that it looks like a regualr Syntec bottle

Oh, I didn't realize it only came in 0w30.

Is it preferred because of it's additives, or just that's supposed to be the "right" weight for our E34s?

MG

Brian McKinney
11-06-2008, 08:33 AM
it's good because it contains very little zinc and meets BMW's strict LL-01 requirements to go the 12,000 miles intervals(we all know we wont go that far) I change oil every 8,000 with this oil.

SeanC
11-06-2008, 09:41 AM
forgot to mention Mobil One just came out with a LL-01 0-40 Euro formula it;s $6.99 a quart here in AUstin

M1 0W-40 Euro formula has been around for many years.

Oh, I didn't realize it only came in 0w30.

Is it preferred because of it's additives, or just that's supposed to be the "right" weight for our E34s?

MG

Castrol Syntec somes in other weights as well. There is also an American made 0W-30 Castrol Syntec, which is NOT what you want. The only way to make sure you are getting the right 0W-30 is to look for the "Made in Germany" stamp behind the bottle.

It is preferred because of a lot of reasons, most important one being the oil analysis' done on it. The oil keeps its consistency in long drainage periods, does not thin out like other ones (M1 0W-40 thins out to 30 weight after a couple of thousand miles), has an HTHS of 3.5 as required by the LL-01, and provides excellent protection during cold starts. It is a very thick 30, almost a 40 weight oil, but more importantly it passed strict requirements set by BMW, MB, VW, Porsche, and other fine automotive manufacturers.

For more info on this oil, check out:

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=718643#Post718643

Max Gunner
11-07-2008, 02:44 PM
it's good because it contains very little zinc and meets BMW's strict LL-01 requirements to go the 12,000 miles intervals(we all know we wont go that far) I change oil every 8,000 with this oil.


And you don't think 30 weight is too light for the Texas heat? Apparently not, I guess. I use the 20w50 stuff I guess just because my independant service shop recommended it. I didn't know or care enough about it at the time to even ask why. Never heard of GC before about a week ago.

MG

Cali Love (e34)
11-07-2008, 04:08 PM
i work at an indy shop in huntington beach, ca. the weather fluctuates we have special mechanics for german cars here they recommend LUBROMOLY 15w-40. it is full synthetic german oil. if you have minor leaks or for ticking problem try delo 400