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It's back in stock at my local AZ in eastern PA. I snapped up 14 qts today!

Just scored 45 bottles north of Philly! Went to my local AZ and the manager was really friendly and I asked if he could check the computer for me. He looked around and only saw a bottle here or a bottle there, but said they had 45 in a Philly store. He said they could send them up overnight. I...

Well, my ARX came today(gotta love company's who ship quickly!). Should I do a UOA on the clean or rinse cycle or just wait till after that and do it on the normal OCI cycle?

jaj, You might have something there and I'd certainly like to believe it. What if the dealer didn't change it like they said and I put 12K on the M1! This wasn't the long life spec M1 so it might show up that way. Anybody have a pointer to the VOA of M1 5W-30? I wonder what the starting TBN is...

When you say "How's the PCV system?", do you think it get's messed up with the two long OCI's? The car does run fine, so I would think it's OK. Here's a picture of the BMW "PCV" system, not your typical Chevy PCV valve that you could give a good shake to and if it rattled, you were OK...

unDummy, While I have your attention, wanted to ask a question and have you reconfirm my thoughts. I've been over on the ATF forum and have read many of your responses and respect your opinion on trannys and fluids. It seems as though you work on them. I have the ZF tranny in this car that...

Seems to run really well. I used a bottle of Techron on the 33-39K mile leg. Air filter was changed at 28K. BMW spec's the plugs at 60K I believe. I am a big believer in changing oil early and that's why I was surprised at the low TBN after only 5700 miles. I've got two bottles of ARX coming in...

Thanks for the replies guys. I had not added any make up oil so the TBN is at least from the original. When you say short OCIs; how short? I've been doing 5k-6k OCIs since I owned it. If you're suggesting real short OCIs, can I use a cheaper dino oil for those? I'll check out Auto-RX and Terry's...

Well I just got my Blackstone report back and I’m not impressed with the BMW 5W-30 that the dealers use. After only 5720 miles, the TBN is down to 1.4. I’m not sure what this oil starts out at, but this is the oil that’s supposed to go to 15K. If anyone knows the original TBN on this oil, let me...