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First sampled OCI was M1 EP 0w20, still had some Honda Type 2 factory fill which upped moly. While not the 1.5T, my car so far is showing some fuel dilution which is why I would not run 10-11K OCI with the factory OLM (I do a lot of HWY miles). This OCI stayed in grade at the low end, yet it...

Another clean run on 'old' PU for the fussy Nissan VHR. Correct me, but looks to be shearing to the bottom of a 30w but 7K on it is fine with me. Lead back to normal. - b Code: OIL PU5w30 PU5w30 PU5w30 PU5w30 PU5w30 MILES IN USE 7K 4.3K 7.3K 6.3K 6K MILES...

Second run, this time over a year and a touch under 10K miles. 1y/10K is the updated OCI where as this year the manual states 2y/20K miles: guess zee german engineers got their way for one year until the service people cried waaaaaah, lost $200 oil changes Looks darn good to me, and the M1...

First UOA from my first diesel in the stable. BMW does 11-13K OCIs under free maintenance with Castrol SLX or Professional OE 0/30 LL04. I don't see a VoA of it but from what little i have seen its nothing remarkable. Some folks have written good things about M1 ESP thought thats tough to find...

Lower mile (6mo for warranty) winter change. Car sat for weeks at a time but got plenty of 100m runs once the salt was gone. Metals back down to normal from the elevated spot on last change. Unfortunately I only have 2 batches of PU left in my stash, so 2015 will mean either new PU or...

UOA 3 below, about as long as I will run it while under warranty (6m/7500mi). Overall looking just peachy. Lead bit higher, likely a spot. Will continue to trend but I think the TBN is fine at this OCI with this particular VQ. Thank you Pennzoil - b Code: OIL PU5w30 PU5w30...

Hello folks, Second UOA for our 370z. Few other G37/Z threads out there but with various fluids. PU shaping up nicely as expected on an engine that is a bit hard on oils. I have a 1+ year stock left over though local wally world is still carrying it for now I won't run longer then 6mo/7500 OCI...

Picked up a low mileage base Cayman last year that had sporadic dealer oil changes over the first 4 years of its life. Not a lot of P-Car UOA reports here (let alone ones with some decent mileage on OCIs :D), but I'm a geek so I'll follow up with a new report every 6-9 months. My vintage has a...