Will bg 44k hurt my engine if i fill it with chevron gas that has techron already in it?

I routinely use gas from Shell (V Nitro) and Exxon premium. I even buy bottles of Techron in addition to what's already in the gas from the pump. They don't do much. Once I put in BG44k into the tank (and drive it for about one tank's worth of miles), I can feel the power in the engine come back. Feel, meaning, the car pushes you against the seat more when you floor it. Only BG44K does that.

Whats the difference between this and the fuel system cleaner?

Chris, I don't really have experience with other fuel system cleaners. I used BG44 on my engine builders recommendation. I was having problems with my racing engine building deposits on the valves and increasing leak-down percentage. With several cylinders showing 6 to 8 % leak down, I ran the next race with 1/2 can of BG-44 in 5 gallons of 110 octane rave gas. After the race, those cylinders were all below 2% leak down. Also the intake manifold runners were sparkling clean. I now repeat this process after 40 or so 1/4 mile runs and all cylinders are still between 2 and 3 % leak down.

2008 saturn astra with fuel filter in fuel pump-will it clean this filter?

Hi 44k is strong stuff and will clean and condition ALL parts of the fuel system. Filters included.

Is this necessary if i use top tier gasoline?

I use top tier fuels (always 93 octane), but I have read and studied American Society of Petroleum Engineers findings for years. With minor exceptions all cars from 1986 forward are electronically controlled by computerized fuel injection systems, and most recently direct injection systems that place the fuel delivery nozzles in close proximity to the combustion chambers. This creates a cleanliness hazard to the injectors. So, you can avoid a $150-$200 carbon depletion cure with 1 can of BG-44K every 5000 miles or less. Yes -- it is expensive, but if you look for sales and buy in bulk you can get it for half the retail price.

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BG 44K Fuel System Cleaner

Product ID: 440865319

Details

Brand
BG
Item form
Liquid
Item volume
11 Fluid
Material Type Free
Alcohol Free
Material feature
Clean
Scent
Orange

⚡Restores engine power & smoothness

⛽Cleans 20 gallons per can

🛠️Safe for catalytic converters & sensors

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333 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽💨 Unlock your engine’s hidden potential — drive cleaner, drive smarter!

ECO SMART SENSOR SAFE - Alcohol-free formula protects catalytic converters and oxygen sensors while cleaning.
ENGINEERED FOR LONGEVITY - Trusted by automotive pros for 40+ years to maintain engine performance.
PRO GRADE FUEL SYSTEM DETOX - Rapidly clears injectors, valves & combustion chambers for peak engine health.
SMOOTH RIDE ZERO COMPROMISE - Reduces stalling, hesitation, and power loss for a seamless driving experience.
ONE CAN 20 GALLONS INFINITE DRIVE - Treats a full 20 gallons of gasoline, maximizing value and convenience.

BG 44K Fuel System Cleaner is a professional-grade, alcohol-free liquid additive designed to rapidly clean fuel injectors, intake valves, and combustion chambers. Each 11 oz. can treats up to 20 gallons of gasoline, restoring engine performance by eliminating deposits that cause stalling, hesitation, and power loss. Trusted by automotive experts for over 40 years, it’s compatible with all fuel system materials and safe for catalytic converters and oxygen sensors, making it the go-to choice for millennial professionals seeking reliable, high-performance vehicle maintenance.

Specifications

ASIN	B00DDVU6EI
Best Sellers Rank	34,483 in Automotive ( See Top 100 in Automotive ) 245 in Fuel Systems
Brand	BG
Brand Name	BG
Contains Liquid Contents?	Yes
Customer Reviews	4.6 out of 5 stars 1,948 Reviews
Item Form	Liquid
Item Volume	11 Fluid Ounces
Item Weight	0.31 Kilograms
Item form	Liquid
Item volume	11 Fluid Ounces
Manufacturer	BG Products
Material Features	Clean
Material Type Free	Alcohol Free
Material feature	Clean
Model Number	44k
Number of Items	1
Part Number	44k
Scent	Orange
Size	1 count (Pack of 1)
Special Features	Alcohol Based
Specific Uses For Product	Engine
Specific uses for product	Engine
Surface Recommendation	Metal
UPC	614131022208
Unit Count	1.0 count

Reviews

M**C

Medicine for the engine

I searched lots of petrol treatments to treat my engine and kept coming back to this one. I have recently used it in a Mini Cooper S 2014 which was suffering with a rough idle at cold and some hesitation on acceleration low down in the revs. I used a full can of the treatment in a full tank of fuel, put the contents of the can in your tank before you add fuel to mix it. I am half a tank through the treatment so far and have noticed a difference. Smoother idle on start up, tighter and quieter engine when idling and noticeable increase in acceleration. I am still working the treatment through my engine but so far I am very impressed indeed. This company also do oil treatments (flushes) etc so I may well go down that line as well to give my car some real TLC. I will buy the BG 44K again on my next second hand car as a matter of course I think.

11.10.2023

P**I

System fuel cleaner

Can't say how good it his as only just put in tank

11.05.2023

A**H

افضل منظف دائرة وقود كامل بالسوق

افضل منتج لتظيف دائرة الوقود كامل بدءا من خزان الوقود وانتهاء بدبة البيئة،بفضل انت تعرف مقاس خزان الوقود تبع سيارتك لان هذه العلبة تغطي حتى ٧٥ لتر بنزين من اجل الاستفادة كامله،كما يفضل عند إضافته لا تضيف اليه اي وقود من اجل ان لايقل تركيز المنتج..انصح به وبقوووة

30.05.2026

K**E

Exceeded my expectations

Used this on my 2011 Audi A6 3.0T with 100,000km (62k miles). I knew something was up with the fuel injectors because I was having surges in acceleration after letting off the throttle at higher RPMs and was going through much more gas than usual (although I never got a check engine light). I assumed that I would have to do a carbon cleaning and change the injectors. Before spending the money on that I decided to try a fuel system cleaner and saw this one was highly recommended by Audi owners. I went to the gas station, poured this into my gas tank, and then filled the car with gas. Pretty much instantly my car has stopped surging and has restored gas mileage. To my surprise the throttle response feels much better and the idle has lost its shakiness. Very happy with the outcome of something so simple. Definitely recommend for anyone with an Audi that is getting up there in mileage.

12.08.2019

O**.

Great product

Great product as the usual

30.11.2025

C**C

Works Well!

Have auto start on truck and would not turn over most of the time. After I used product engine ran smoothly and would start up again on auto start.

8.06.2026

O**R

منتج ممتاز

رائع وجميل جدا

11.04.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 weeks ago

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Good experience, but the tracking updates could be better.

2 months ago

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