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Just an update. I took everyone's advice here and kinda blended it. 5 quarts of Pennzoil ultra 5w20 and two quarts of Kirkland synthetic 5w30. Hardly the worst thing I can do to this car, I'm sure it will be perfectly happy. It's summer right now so I'm not worried about the 5w cold start. I'm...

Everyone extreme? How so? I feel like the manufacturer purposely leaves this vague because it gives them an out if something goes wrong. Not that it matters now anyway. The car is well outside warranty and its built well. Very likely we will get rid of it before we face any engine wear issues...

I mean it's a Lexus, so it's only real mode is sluggish lol. Would I actually notice a difference like that from a small weight change?

Hi guys, 2013 Lexus GS350, 100k miles. Just wondering if I can get some input on my next change. The manual recommends a 0w20 or 5w20 but it also has some vague language that states I can use a thicker weight for high speed or extreme loads. I do tend to drive pretty quickly, typically 80+ when...

Originally Posted by eljefino I have a pair stashed in my garage that I got cheap from Amazon. Had the tarriff in mind. Can't judge performance yet, obviously. Reviews were good enough to jump on. What car did you get them for? Size? Model? I picked up a set of 225/55r17 lh-503 w rated for my 5...

Reviving this thread because I wanted to know if op has any updates or if anyone has more feedback about this brand. I know it's a low cost Chinese tire, but they've been around for at least a few years and the reviews I've found are mostly positive, just not that many. Found a set for my BMW...

Just wanted to post an update... For my last change, I used Vavoline Maxlife Synthetic oil and a Pronto oil filter PO5607 (cheapest filter I could find on rockauto, $2 per filter) for about 13k miles. During this change I added about 1.5 quarts of regular oil (Valvoline Nexgen) as the engine...

Originally Posted By: AVB Originally Posted By: gtmaster303 Originally Posted By: AVB One thing to consider about increasing mileage because of adding make up oil, is the % of the total capacity that you are replacing. If you have to add a quart to a 4qt capacity 4 cylinder you have replaced 25%...

Originally Posted By: talest If you have to add oil mid-OCI, then why is the engine burning or losing oil? Because that's normal? I don't think there's anything wrong with losing a quart between 10-15k changes

Originally Posted By: AVB One thing to consider about increasing mileage because of adding make up oil, is the % of the total capacity that you are replacing. If you have to add a quart to a 4qt capacity 4 cylinder you have replaced 25% of the oil. On a 7qt BMW 1qt is only 14%. Car only takes 5...

Originally Posted By: Patman Originally Posted By: gtmaster303 Exactly what the title says. My BMW Burns a quart in between it's 15k intervals. Does that mean I can go longer because fresh oil is added? No. I tried doing a 15k interval in my wife's BMW once, and added a little more than quart...

2012 BMW 528i xDrive BMW OEM filter and oil at 72k Pronto Oil filter and 5 quarts of Valvoline Maxlife Synthetic 5w30 at 86k (car is currently at 95k) 2010 Cayenne 3.6 Purolator classic and 5 quarts of Valvoline Synpower 5w30, 2 quarts of Mobil 1 5w30 at 68k

Originally Posted By: 2015_PSD While I would not go longer in a BMW without a subsequent UOA (and even then, why?), I can tell you based on my experience in my 2010 FX4 that adding even a half a quart increases the TBN and thus increases the overall potential OCI. Just curious on other people's...

Originally Posted By: oil_film_movies Originally Posted By: gtmaster303 Exactly what the title says. My BMW Burns a quart in between it's 15k intervals. Does that mean I can go longer because fresh oil is added? If its only 1 quart, thats not much. No extension. Now, if you were putting in 3...

Exactly what the title says. My BMW Burns a quart in between it's 15k intervals. Does that mean I can go longer because fresh oil is added?

Originally Posted By: wemay I don't think you've done anything terribly wrong here. Run a different filter brand next time and see how it holds up. The previous advise to check/clean the bypass valve is also helpful. You may also wish to run a couple UOA to see if anything is getting through, or...

Originally Posted By: goodtimes What does the manual say under severe service? Glad the tabs are there. All the filter makers say X miles or according to the manual. It's sort of a tricky interpretation. I think it has been argued many times. I'm pretty sure any oil filter MFR is not that...

Ok so from what I've learned here, if I want to use the same parts/setup, I should shorten intervals down to 7-8k Oil is not really the issue here, it's the filter that's the limiting factor and I should clean/replace the oil filter bypass valve - is there any way to actually determine/diagnose...

Originally Posted By: goodtimes I would be really concerned where all that end cap went, and those tabs on the end cap end. If in the engine, that is not the best. Humans have a tendency to not see details at first, like the fine print in oil change interval recommendations. That tendency to see...

Originally Posted By: wemay Originally Posted By: dlundblad Originally Posted By: gtmaster303 Originally Posted By: wemay There is way too little information about this situation, and the information known points towards questionable regimen. What else do you want to know? You started the...