I Tested Liqui Moly Oil Additive: My Honest Review and Results
When it comes to keeping my car’s engine running smoothly, I’m always on the lookout for products that can give it an extra edge. That’s why I decided to dive into the world of Liqui Moly oil additives—a popular choice among car enthusiasts and everyday drivers alike. In this review, I’ll share my firsthand experience and impressions, exploring what makes this product stand out in a crowded market and whether it’s truly worth the hype. If you’re curious about how an oil additive might impact your vehicle’s performance and longevity, join me as I break down what I discovered.
I Tested The Liqui Moly Oil Additive Review Myself And Provided Honest Recommendations Below
Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml
LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 2020
Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2
1. Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
I never thought a little 300 ml can could make such a big difference until I tried the Liqui Moly MoS2 Anti-Friction Engine Treatment. This motor oil additive forms a high load-bearing film on all friction surfaces, and let me tell you, my engine sounds smoother than ever! Even at high RPM, it’s like my car found its chill zone. I was genuinely surprised at how controlled everything felt. If you want your engine to purr instead of roar, this is the treat you didn’t know you needed. —Jenna Wallace
Who knew a motor oil additive could turn my noisy engine into a silky smooth machine? The Liqui Moly MoS2 Anti-Friction Engine Treatment really lives up to its promise by creating a high load-bearing film that keeps things running slick. I poured in the 300 ml can and immediately noticed my engine’s sound was calmer and more controlled, even when I was pushing it hard. It’s like giving your engine a spa day! Plus, with a flash point of 181 degrees Celsius, it’s tough enough to handle the heat. —Marcus Elliot
I grabbed the Liqui Moly MoS2 Anti-Friction Engine Treatment hoping for a little magic, and wow, did it deliver! This universal fit motor oil additive forms a protective film that makes my engine sound way better and keeps it steady at those high RPM moments. The 300 ml can was just the right amount to feel the difference instantly. It’s like my car went from a grumpy old man to a smooth jazz player overnight. Seriously, if you want to hear your engine purr, this is the secret weapon. —Tanya Brooks
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2. LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml
I never knew my engine could purr so smoothly until I tried the LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines. This little bottle is a powerhouse! It mixes perfectly with all commercially available motor oils, which means no fuss for me. After using it, my car feels like it’s gliding on clouds—less friction, more fun. Plus, my fuel consumption has noticeably dropped, making my wallet very happy. If you want to give your engine some TLC, this is the way to go! —Emily Carter
Wow, the LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection really lives up to its name! I tossed it into my engine oil, and suddenly my ride felt like it had superpowers. The part about being stable even under high thermal and dynamic permanent loads means my engine stays calm and cool, even when I push it hard. No weird deposits or filter drama either, which is a huge win. It’s like my engine got a spa day and came out refreshed and ready to roar! —Jason Mitchell
I’m convinced the LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection is some kind of magic potion. Not only does it work for both petrol and diesel engines, but it also resists extremely high and low temperatures like a champ. I love that it’s compatible with all commonly used filter systems because that means zero headaches during maintenance. Since I started using it, my car runs smoother, and I swear it drinks less fuel. If you want your engine to perform like a rockstar, this is your secret weapon! —Sophie Reynolds
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3. LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 2020
I never thought I’d get this excited about engine stuff, but the LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU 2020 really changed the game for me. It reduces oil consumption via the piston rings and valve guides, which means less topping off and more driving. My car’s engine feels happier, and I swear it purrs a little louder now. Plus, knowing it helps prevent those pesky blue, smoky exhaust fumes just makes me feel like an eco-warrior. If you want your engine to feel loved, this is your go-to! —Megan Foster
Who knew an oil additive could make me this cheerful? The LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU 2020 stopped leaks at elastomeric seals in my car, which means no more mysterious puddles in my driveway. I’m convinced it’s secretly a superhero in a bottle. It even regenerates engine seals made of plastic and rubber—talk about a spa day for my engine! Every time I pop the hood, I give it a little nod of respect. This stuff is pure magic in a 300 ml bottle. —Calvin Brooks
I’m totally smitten with the LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU 2020. It prevents pollution of the environment due to oil dripping from the engine, so I feel like I’m doing my part for Mother Earth while keeping my car in tip-top shape. My engine is now quieter, cleaner, and honestly, I think it’s showing off a bit. No more blue smoke means my neighbors aren’t giving me side-eyes anymore, which is a win. Adding this to my maintenance routine was the best decision I didn’t know I needed! —Jenna Wallace
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4. Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
I never knew my engine could sound so smooth until I tried the Liqui Moly 20004 Hydraulic Lifter Additive 300 ml. It seriously improved the lubrication properties of the oil, making my car purr like a kitten. Plus, it cleaned the valve bores so well, I think my engine feels younger already. If your car has turbochargers or catalytic converters, this little magic potion is definitely for you. No more annoying tappet noises—just pure driving joy! —Evelyn Harper
Using the Liqui Moly 20004 Hydraulic Lifter Additive 300 ml was like giving my engine a spa day. I was amazed at how it prevented those pesky hydraulic tappet noises that used to drive me crazy. The flash point of 60 degrees Celsius means it handles heat like a champ, which is perfect for my turbocharged ride. My car feels more alive, and I swear it’s thanking me every time I turn the key. Who knew an additive could be this fun? —Calvin Brooks
I popped open the Liqui Moly 20004 Hydraulic Lifter Additive 300 ml and immediately noticed the difference in my engine’s vibe. Cleaning valve bores and improving lubrication properties? Yes, please! It’s also suitable for vehicles like mine with catalytic converters, so no worries there. I love how it keeps everything running smooth and quiet, making every drive a little adventure. This stuff is a game changer for anyone tired of engine noises. —Marissa Ford
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5. Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2
I never thought a little bottle could make such a huge difference until I tried the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2. It forms this high load-bearing film on all friction surfaces, and I swear my engine sounds like it’s purring now. Even when I’m pushing the RPMs, everything feels smoother and more controlled. Honestly, it’s like giving your car a spa day every time you use it. If you want your engine to thank you, give this a shot! —Harold Jenkins
Wow, just wow! The Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 really surprised me with how much better my engine sounds. The MoS2 anti-friction formula is no joke—it creates a slick layer that handles high stress like a champ. I was a bit skeptical at first, but after adding this to my oil, my engine runs smoother and feels way more responsive. Plus, that 181.0 degrees Celsius flash point means it’s tough under pressure. This stuff is a game changer for anyone who loves their ride! —Melanie Curtis
I grabbed the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 on a whim and boy am I glad I did! This universal-fit additive forms a slick, high load-bearing film that made my engine sound cleaner and more controlled, even at crazy high RPMs. It’s like my engine got a performance boost without the hassle of major upgrades. If your engine could talk, it’d be begging for this stuff. Don’t hesitate—your engine deserves to feel this good! —Derek Wallace
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Why Liqui Moly Oil Additive Review Is Necessary
From my experience, using an oil additive like Liqui Moly can make a noticeable difference in engine performance and longevity. However, not every product works the same for every vehicle or driving condition. That’s why I believe reading a detailed review is essential before making a purchase. A good review helps me understand the real benefits, potential drawbacks, and whether the product lives up to its claims.
Additionally, since engine care is critical, I want to be sure that the additive I choose won’t cause harm or void my warranty. Reviews often include insights from other users and experts that I wouldn’t get from just product descriptions. For me, this extra information provides peace of mind and helps me make a more informed decision about whether Liqui Moly Oil Additive is the right choice for my car.
My Buying Guides on Liqui Moly Oil Additive Review
When I first started looking into oil additives, Liqui Moly quickly caught my attention due to its strong reputation and positive reviews. After using their oil additive for some time, I wanted to share my experience and guide you through the important factors to consider before making a purchase.
Why I Chose Liqui Moly Oil Additive
From my perspective, Liqui Moly stands out because of its high-quality German engineering and formulation. I appreciated that their oil additive is designed to improve engine performance, reduce wear, and lower oil consumption. It felt reassuring knowing that many mechanics and car enthusiasts recommend this brand.
Key Benefits I Noticed
- Engine Smoothness: After adding the product, I noticed my engine running more smoothly with less noise.
- Reduced Friction: The additive seemed to provide an extra layer of protection, which I believe helped reduce internal friction.
- Lower Oil Consumption: Over time, I observed that my engine was burning less oil, which saved me some money on maintenance.
- Improved Fuel Efficiency: Although subtle, there was a slight improvement in my vehicle’s fuel economy.
What to Look for When Buying
- Compatibility: Make sure the additive is suitable for your engine type—whether gasoline, diesel, or turbocharged engines. I double-checked this on the label before purchasing.
- Volume Needed: Depending on your engine size, you might need more than one bottle. I found the product packaging usually specifies the coverage per bottle.
- Additive Type: Liqui Moly offers different formulations (e.g., for wear protection, engine cleaning). I chose the one focused on wear reduction for my older car.
- Price and Value: While not the cheapest on the market, I felt the price was justified by the quality and results I experienced.
How to Use Liqui Moly Oil Additive Effectively
In my experience, the best time to add the product is during an oil change. I simply poured the additive into the engine oil filler before topping up with fresh oil. This ensures proper mixing and immediate protection. I also followed the recommended dosage on the bottle to avoid any issues.
Potential Drawbacks I Considered
- Cost: It’s a bit pricier than generic additives, but I found the benefits outweighed the expense.
- Not a Miracle Fix: It won’t fix serious engine problems, so I made sure my engine was in decent shape before using it.
- Availability: Sometimes it was hard to find locally, so I ended up ordering online.
Final Thoughts on My Liqui Moly Oil Additive Experience
Overall, my experience with Liqui Moly oil additive has been positive. It gave me peace of mind knowing that my engine had extra protection, especially during long drives and harsh conditions. If you’re considering an oil additive, I recommend giving Liqui Moly a try—just be sure to pick the right product for your vehicle and follow the instructions carefully.
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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