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Fuel dilution is the only thing I’m concerned about.

Here's the results from the second oil change on the 2025 Nissan Sentra SV 2.0 DGI. The new fill consisted of Valvoline Restore and Protect 0W-20 along with a Microguard Select MSL51358 oil filter. I'm hoping Valvoline Restore and Protect can help with intake valve deposits. I elected to stop...

That's what I keep hearing. Look at the drop in silicon from the Subaru BRZ I posted recently.

I believe so. Look at the Subaru BRZ analysis under my user name.

Everything is good there! I always double check that stuff.

I was thinking of switching over the restore and protect to keep everything clean the next time around.

First oil change and analysis. Lots of chatter on the Net about RTV issues and break-in metals. Cut the filter open and saw nothing to be alarmed about. I'm not certain about 0W20 in a high rpm motor but that's another discussion. The oil change consisted of Valvoline Extended Protection 0w20...

Valvoline Extended Protection 0w20.

To raise the viscosity slightly. Experimenting. I will post results next change.

Probably 3,000 miles.

Here's the results from the second oil change on the 2025 Subaru BRZ. The new fill consisted of the same Valvoline Extended Protection 0w20 and 5W-30 (50/50 mix) along with the Subaru 15208AA170 oil filter (Japan). May consider going to Restore and Protect in future.

The BMW 0W-12 is $18-19 a liter from what I see. I looked at a 26 X3M50 but decided against it for several reasons.

I have a family member running Valvoline Extended Protection 0w20 in a 2025 Subaru BRZ and will keep an eye on the noise level. Currently ~2000 miles on it and looking to change at 2500-3000 max. Zero oil consumption issues No previous experience with Subaru either. Thanks for the insight.

I have a 23 Armada with the same engine of course. Original owner. At 8,800 miles currently, I've done 3 oil changes and 4 oil analysis. The factory fill was dumped at 1,785. I have not cut open any of the filters to check for debris and will do it at the next oil change. I suspect that the two...

I really appreciate your input on this. Thanks!

This is a followup to the previous sample at 7,051 miles. The current sample is at 8,423 miles using Valvoline Advanced 0W20 Synthetic. Sample was taken with the Amsoil sample pump. No oil or filter change. I wanted to make sure that contamination didn't come into play since last report had high...

Air box looks ok and filter sits flat. I'm having someone else look at this weekend. Thanks!

Edit: 3,013 on sample and not 7,051.

I really appreciate your heads up on this !!!

Here's the regenerated sample that came through yesterday. It's worse 😬. See above for the original results (sample #3). I went through for a second time and checked the piping connections, as well as, installing a new air filter. We will see what happens at next analysis. This time I'm going...