Recent content by roarf

Originally Posted By: Audios Could the valvetrain bushing Blackstones talking about possibly be from the valve shims wearing? Those cars have solid lifters. It does have solid lifters but I don't think the shims are made out of brass. Originally Posted By: Al Is 60 wt called for? Yes, that...

I asked Blackstone about the sample a little more and here's what they had to say. "We certainly wouldn't go as far as to call copper a bearing problem in this first sample from your M3's engine. Instead, the copper is likely coming from brass/bronze parts such as an oil cooler or valvetrain...

Thanks for the help so far guys. I am asking Blackstone if they had a TBN or TAN for my sample. I was not aware there was a 2nd recall. I think it would be really good to know dates for when each recall was issued. Perhaps I should go to the local dealer and see what they know about the recalls?

Sorry if this is a noobish question but, what is TBN/TAN and OCI?

Car: 2001 BMW M3 Engine: BMW S54B32 3.2L I-6 Oil: Castrol TWS Motorsport 10w60 Not driven in winter, not tracked, not driven too hard. Code: OIL Castrol 10w60 MILES IN USE 6,020 miles MAKEUP OIL ADDED 0 QTS. MILES ON CAR 73,800 SAMPLE TAKEN 11/13/11...