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I've got a 2008 XC/70 with the 3.2 L6 and have been running Castrol Edge 5W30 in it, and buy it at AZ whenever they are running a decent sale. Currently have about 23K miles on the engine and I'm changing the oil about every 7-8K miles even though the Edge meets the extended drain intervals and...

Originally Posted By: tomcat27 like they said. dont start it daily. you really dont need to do it weekly. every two weeks is cool - just dont make the mistake of simply letting it idle for 10 mins. get it out and drive it for 10 miles. +1... In cold weather, the worst thing you can do is start...

Originally Posted By: jmaster i need an oil that can go for a year and 8,000(max) miles and be beat on. GC will do it with ease. BMW approves this oil for 15,000 mile oil changes in its high performance twin turbo engines (along with M1 0W40, BMW 5W30 Synthetic, and others). A newcomer is...

Regarding the OP's question... I can only offer my opinion and reasoning. I used to use M1 exclusively as I've done since it first appeared as a consumer product in the 70's. It saved my motorcycle from seizing during summer months when the engine ran very very hot. Conventional oils simply...

Originally Posted By: mjoekingz28 There just has to be a way to determine whether oil is good or not. If you cant tell by color, then maybe a drop on a white paper towel will tell you if alot of matter is suspended in the oil. Or how about smell, there just has to be a way to determine if the...

I'm curious. The large bottles treat 20 gallons of gas and cost between $10-12 here. If my math is right, that works out to $.50-$.60 per gallon to treat. If you just buy the lowest grade Chevron or Texaco gas, you will already get plenty of Techron additive in the pump gas, and I'd be...

Originally Posted By: drewjp ...but Advance Auto also has a $10 off $25 coupon you can use. Rats... Didn't know about that. Add that in and Edge is really cheap... probably cheaper than Dino.

I noticed today when I was at Advance Auto that Castrol Edge shelf price is $6.49 a qt vs. $6.99 for Syntec. Guess they are trying to get people to give it a try. At that price, plus the $15 mail in rebate Castrol has going now through 12/15/09 if you buy 5 1 QT bottles or more, I decided to...

GC has a pretty high TBN and with those low mileage numbers would hold up well in my opinion. I think it depends a lot on how you drive those 1000-2000 km's... If its mostly short trips less than a few miles each including winter driving, then condensation of moisture in the crankcase and fuel...

Originally Posted By: j_mac ...But it is a 5 year old bottle of green. Would that make a difference? Nicely aged !! I'm sure the engine will love the refined taste of the aged nectar! Seriously, though I don't think it makes any difference at all. :)

I found a VOA on GC posted a little over a year ago on this site that showed Zinc level at 1160. I recently had a Blackstone UOA done on GC after 6000 miles in my BMW and Zinc was measured at 990 against a Blackstone universal average of 961.

Originally Posted By: JimPghPA Anyhow could someone varify that European formula on the front is still the good stuf? AFAIK, the true GC (Castrol Syntec 0W30 European Formula) will have "Made in Germany" on the lower right side of the back label. If it does not, I won't buy it. Just an FYI...

Originally Posted By: lanteau ... but I would feel wrong mixing 2 quarts of green with 3 quarts of gold lol. Why?... Its all goood stuff. :)

The sticky thread: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=718643&page=1 will give you probably as much as you'll find out on the subject here. AFAIK, the green stuff hasn't been made in quite a while and is difficult to find. Some may have stashes, but are...

Originally Posted By: saaber1 Originally Posted By: jesbo Didn't realize there ever was/is a 0W30 USA Made Syntec. I've never seen it. I'll keep my eye open. I have seen us-made and german-made side by side on auto zone shelves. The german made ones said "european formula" on the front and us...

I run full syn in my TT 535i since the manual calls for syn only. The N54 runs hot anyway, and it just seems right to run full syn in it. That said, I would hope turbo coking is less of an issue if, as in the case of my BMW, the turbos are water-cooled by an electric-pump driven cooling system...

Originally Posted By: BuickGN Originally Posted By: ekpolk All this seems to beg the question of whether DI is really the great thing that it's being made out to be. I'd rather trade some ultimate performance for the peace of mind of knowing that my engine was not constantly trying to trash...

Originally Posted By: WGermany Thanks jesbo for the explanation. I'm hoping my VW Passat doesn't suffer too badly from the 2 problems mentioned. YIKES!!! DI is really good from a fuel economy perspective as it can improve mileage by as much as 15% over port injection because of the improved...

Direct Injection engines generally suffer 2 problems that port injection engines don't have to the same degree. First is fuel dilution in the oil as some designs get more fuel down into the lower part of the cylinder where it gets by the rings and into the oil. This is hard on oil - so at least...

Originally Posted By: blackdiamond I think I've read that the 503.01 spec is a long drain spec as is the BMW LONGLIFE-01 spec. What cars were these specs intended for and what is the OCI that is used? Thanks! My '08 535i is spec'ed for a BMW LL-01 oil and the oil change interval can be as...