Recent content by donnymarcos

Ok, cool. I had thought that going with a 0w or 5w oil was going to significantly reduce wear on engine startup because it flows better when cold. But it sounds like maybe that's not as big a deal as I thought. Glad I have options! Sounds like a few analyses can go a long way in determining what...

The "friction modifier" thing was something I'd read on the forums for this car. In other words, the idea that a 0w40 oil had "thickeners" that once burned off, would result in a much lighter oil. Which would be a bad idea in a 250k engine designed some 30 years ago. I've read the hypothesis...

Thanks for the welcome! I just got this car so I haven't been using any particular oil. Just want to know what to fill it with for my first oil change. Analysis is definitely going to happen - if only just to see if my rod bearings are coming apart. Unfortunately, this car only has an oil temp...

Hi all, this question was asked 6 years ago so I thought I'd revisit it. Trying to choose the best oil for an '88 E30 M3. For the unfamiliar, it's got a high-strung 4-cyl engine that revs to 8,000 and has a operating oil temp of 180-250*F or so. This is a weekend fun car - not a daily, but I...