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      04-05-2026, 01:37 PM   #45
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Quote:
Originally Posted by AlpineSwift View Post
Picked these up out of the BITOG forum. They've been diving a little harder into this stuff for a bit now and have direct answers from the product support team:

"There are no PEA (polyetherimide) cleaners. We use a brand-new proprietary fuel additive technology developed and proven to remove deposits better than PEA, while also helping keep the system cleaner longer. Give it a try, there is a 100% satisfaction guarantee."

"The new Valvoline Restore and Protect™ Fuel System Cleaner is a high-performance deposit control formulation engineered to deliver up to 100% removal of fuel system deposits in Gasoline Direct Injection (GDI), Carbureted, and Port Fuel Injection (PFI) engines within a single tank of treatment, as validated through real world and ASTM laboratory testing.
This formulation incorporates a next-generation proprietary detergent chemistry specifically developed to withstand the elevated pressures, temperatures, and injector tip coking environments characteristic of modern GDI combustion systems. Performance validation includes ASTM-based deposit control and cleanliness evaluations demonstrating complete removal of injector and intake valve deposits under standardized test conditions as well as in real world testing. The product also meets Top Tier™ detergent performance standards, ensuring compatibility with advanced deposit control requirements.
Functional benefits include:

Restoration of optimal injector spray pattern and fuel atomization efficiency
Measurable improvements in combustion stability and fuel economy
Reduction in hydrocarbon and particulate emissions
Lowered boundary friction within upper cylinder regions
A-rated corrosion protection performance
Mitigation of engine wear through enhanced surface protection
Additionally, the formulation contains an advanced friction modifier package designed to further reduce parasitic losses and wear rates, contributing to additional gains in fuel economy and long-term component durability.
For optimal continuous deposit control and system cleanliness, application is recommended in conjunction with scheduled oil service intervals or at 3,000–5,000 mile treatment cycles."

"The additive is built on a new chemistry that contains both detergents and solvents. Since the formula is proprietary we can not go into a ton of detail, but can tell you in ASTM D6201 testing the additive has proven a 98% improvement over Top Tier base fuel for Intake Valve Deposits, the industry standard for GDI testing in GM LHU Injectors proved a 100% clean up in 1 tank full, and that the formula gets an A rating in corrosion protection."

Anyone that's interested in deep diving the discussion can view it here: https://bobistheoilguy.com/forums/th...leaner.404114/

Sounds like they found a new way to go about removing deposits. Makes me wonder if it's a similar additive to what they use in their R&P line of Oil's.

It's so new that I could not find it anywhere, but at Auto Zone..not even at Advanced Auto, Walmart, etc....only Auto Zone. I buy lottery tickets about 5-6 times a year...so I do not mind spending $13 for a bottle.

I am not sure what science is behind the claim cited that one bottle "engineered to remove up to 100% of deposits" which implies 100% results. Albeit that wording could mean technically anywhere from 1% to 100%. Curious to read up more about the industry standard testing method used for that specific claim.

However, I do trust their R&P oil that I am using for about 7K miles now, and $13 is for my engine has a better chance to do something good vs me winning the lottery with $13 worth of lottery tickets.
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      04-05-2026, 10:19 PM   #46
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Quote:
Originally Posted by fe7565 View Post
It's so new that I could not find it anywhere, but at Auto Zone..not even at Advanced Auto, Walmart, etc....only Auto Zone. I buy lottery tickets about 5-6 times a year...so I do not mind spending $13 for a bottle.

I am not sure what science is behind the claim cited that one bottle "engineered to remove up to 100% of deposits" which implies 100% results. Albeit that wording could mean technically anywhere from 1% to 100%. Curious to read up more about the industry standard testing method used for that specific claim.

However, I do trust their R&P oil that I am using for about 7K miles now, and $13 is for my engine has a better chance to do something good vs me winning the lottery with $13 worth of lottery tickets.
You'll have to report back if there's any seat of the pants changes. I kind of doubt it but who knows. I didn't expect much from running redline oil vs motul back in the day on my N54 but there was definitely a noticeable valvetrain noise difference between the two despite running the exact same weight (Motul was the quieter one btw). Not an apples to apples comparison but Techron vs this stuff might have some noticeable differences too.

There's a member on BITOG that is running his own independent test to see if it's worth it (Post 231 in that thread). He's got some solid baseline photos of the cylinder head and pistons on his 2.7 Ecoboost before adding the R&P fuel treatment. It's already been running R&P oil for over a year and 15k miles so if it's gonna produce any visible results, he's got probably the best setup for it as an enthusiast right off the bat.
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      04-06-2026, 12:10 PM   #47
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Quote:
Originally Posted by AlpineSwift View Post
You'll have to report back if there's any seat of the pants changes. I kind of doubt it but who knows. I didn't expect much from running redline oil vs motul back in the day on my N54 but there was definitely a noticeable valvetrain noise difference between the two despite running the exact same weight (Motul was the quieter one btw). Not an apples to apples comparison but Techron vs this stuff might have some noticeable differences too.

There's a member on BITOG that is running his own independent test to see if it's worth it (Post 231 in that thread). He's got some solid baseline photos of the cylinder head and pistons on his 2.7 Ecoboost before adding the R&P fuel treatment. It's already been running R&P oil for over a year and 15k miles so if it's gonna produce any visible results, he's got probably the best setup for it as an enthusiast right off the bat.
Doing mostly city driving, but maybe I am able to do a good 2 hours or so 70-80mph highway cruising while I have this tank of fuel to get the "treated" fuel to the right places in the engine. I am not sure how this one tank would be able to make any big difference to my GDI engine...or if any way I can even determine that it made a big difference. Do not have a baseline since never had to open the valve cover or the engine...and my car runs within factory specs.

Will definitely monitor that baseline you linked... Since this product came on market just this year...more and more third-party opinions/experiences will be showing up.
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      04-07-2026, 02:21 AM   #48
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.EURO-testing/certifications bureaucracy
oh,man this procedure is a nightmare for europeans.brussel's offices are full of aristocrats .they are so slow deciding.

but i dont know if this its a valvoline thing or a european thing about this oil.

there are rumors that valvoline will produce soon a bigger grade R&P oil,10-30,probably with bigger HTHS. maybe this oil will face our market too.

probably has to do with ACEA requirements about oils,maybe not.
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      04-07-2026, 02:26 AM   #49
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.Doing mostly city driving, but maybe I am able to do a good 2 hours or so 70-80mph highway cruising
on valvoline's directions i think it mentions that ,for the oil to work properly and efficiently ,you need to get the oil in very hot temperature most of the time.
so it might be a good idea to drive more often at highway and an oil temp menu from BC while you do that,to check how hot that oil is while driving.
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      04-07-2026, 02:30 AM   #50
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.I think there is a reason car bakers are starting to add port injection to DI engines. GM is doing it now for their V8s, in part to reduce carbon on the backs of the valves and in part because port injection is better than DI during extremely low loads like engine idle.
so true,my next bmw should be with port system or combined..no more DI engines.
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      04-07-2026, 08:34 AM   #51
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It will probably be combined. BMW is already doing this with the B58. I doubt there will be a return to purely port injection. You would have to buy an 15 year old BMW to get that.
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      Yesterday, 10:02 PM   #52
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Originally Posted by pbonsalb View Post
It will probably be combined. BMW is already doing this with the B58. I doubt there will be a return to purely port injection. You would have to buy an 15 year old BMW to get that.
I was not aware of these combined changes to new BMW engines (I am still with my 2012 N26 engine . Good choice and glad they are doing that. I am sure that GDI 's lack of cleaning the valves et al may have been the main reasons for the hybrid "compromise" since it's not cheap to retool an entire engine product line.
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      Today, 07:11 AM   #53
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As someone here wrote, I use this (plus Top Tier gas and OEM (or better) oil) and see it as ‘taking vitamins’ or buying the lotto ticket. 65k miles now on a B58.
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      Today, 08:12 AM   #54
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Quote:
Originally Posted by fe7565 View Post
I was not aware of these combined changes to new BMW engines (I am still with my 2012 N26 engine . Good choice and glad they are doing that. I am sure that GDI 's lack of cleaning the valves et al may have been the main reasons for the hybrid "compromise" since it's not cheap to retool an entire engine product line.
Info I have (Bosch) is the return to a mix of direct and port injection is not due to deposit issues -- Bosch addresses deposit issues with the recommendation to use gasoline with detergents -- but rather to obtain better combustion by making use of the intake valve heat.
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      Today, 09:07 AM   #55
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Originally Posted by RockCrusher View Post
Info I have (Bosch) is the return to a mix of direct and port injection is not due to deposit issues -- Bosch addresses deposit issues with the recommendation to use gasoline with detergents -- but rather to obtain better combustion by making use of the intake valve heat.
Thank you. I looked up your info on the web and found the explanation clearly:

Key Reasons for the Return to Dual Injection (Bosch):

Improved Combustion and Lowered Emissions: Bosch indicates that combining DI and PFI provides superior control over the air-fuel mixture across various operating conditions (partial to full load). Port injection excels at homogenization at low speeds, while direct injection is used to increase the knocking limit at high loads.

Operating Strategy Optimization: The two systems work in a "division of labor," reducing fuel consumption and emissions.

Intake Valve Cleaning as a Secondary Benefit: While not the primary driver in Bosch’s technical descriptions of the partnership, the PFI system does spray fuel into the intake manifold, which cleans the intake ports and valves, allowing for higher exhaust gas recirculation (EGR) rates without penalty.

Addressing Deposit Concerns via Fuel: Bosch addresses deposit issues primarily through the recommendation to use high-quality fuels with appropriate detergent packages.
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