do u use this every oil change or like every 25- 30,000 miles like the other liqui moly oil treatment?

I change my engine oil every 10,000 km or 6,250 miles with Liqui Moly engine oil and use the Anti friction Oil treatment every time and every 2nd oil change I also use Ceratec. My Audi A4 B7 quattro 3.2L V6 has over 300,000 km. I have another A6 Avant with over 275,000 miles or 440,000 km. I always use Liqui Moli otherwise I will use Revenol Syn oil.

Do you have to make room for this when changing oil or you can add it to a full tank of oil...

Make Room! Unless you're talking about a V8 made before 1990. Today, too many engines will blow the excess through the expensive catalytic converters. (Think of that as giving a diabetic a pound of candy). There is generally a safe zone on dipstick, so stick with safe. AND! Oil expaanNds when it gets hot. And modern engines make really Hot oil. So, don't worry so much about getting the oil smackity dab up on the full line.

Can I use this anti-friction in my vw gti 2.0 fsi engine ?

Just an FYI the VW FSI engine is noisy because it’s early Dorect injection technology. The noise from that engine is mostly from loud injectors and hpfp fuel pump. Also the n80 valve can make a ticking noise as well. This product will help in terms of lubrication but if you’re hopes are to make it less noisy then it won’t do much

Is this thing, good or evil, for aluminium-engines, such as bmws & rovers?

good highly recommended for bmw

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Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml

Product ID: 71383318

Details

Brand
Liqui Moly
Liquid volume
300
Package information
Bottle
SAE J300 Viscosity Grade
10W-40
Vehicle service type
Car

⛽Improves MPG efficiency

🔥High flash point 181°C

⚙️MOS2 anti-friction tech

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VT15201

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Description

⚙️ Unlock peak engine performance with every drop!

SMOOTH OPERATOR - MOS2 formula drastically reduces engine friction for a whisper-quiet ride.
TRUSTED BY PROS - Top-rated with 4.6 stars from over 6,000 users—join the savvy drivers upgrading their engines.
EASY APPLICATION - Simple bottle design makes adding treatment a hassle-free part of your service routine.
FUEL SAVVY FORMULA - Boost your MPG and stretch every drop of fuel further.
ENGINE LONGEVITY BOOSTER - Protects engine parts, extending oil life and reducing wear.

Liqui Moly 2009 Anti-Friction Oil Treatment is a 300 ml MOS2-enhanced additive designed to reduce engine friction, improve fuel efficiency, and extend oil life. With a high flash point of 181°C and compatibility with 5W-30 SAE grade oils, it’s a trusted choice for professional-grade engine care, especially effective for older vehicles seeking smoother, quieter operation.

Specifications

ASIN	B003U4O414
Automotive Fit Type	Universal Fit
Best Sellers Rank	54,307 in Automotive ( See Top 100 in Automotive ) 80 in Engine Oil Additives
Brand	Liqui Moly
Brand Name	Liqui Moly
Compatible with Vehicle Type	Car
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 6,301 Reviews
Flash Point	181 Degrees Celsius
Flash point	181 Degrees Celsius
Global Trade Identification Number	04100420020094
Item Weight	6.4 Ounces
Liquid Volume	300 Millilitres
Liquid volume	300 Millilitres
Manufacturer	Liqui Moly
Manufacturer Part Number	2009
Model Number	2009
Package information	Bottle
SAE J300 Viscosity Grade	10W-40
Size	300 Milliliter
Unit Count	300.0 millilitre
Vehicle service type	Car
Viscosity Level	Medium to High

Reviews

R**.

Worth every penny, especially on older vehicles

Used this when servicing my old Landcruiser. Honestly made a huge difference to the sound and performance of the engine. Easy to use and would definitely use again on the next service.

2.01.2026

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