Why We Recommend Liqui Moly Engine Oil for Your BMW and MINI

At M Coding Ireland, we're often asked which engine oil we recommend for BMW and MINI vehicles. After years of experience servicing hundreds of BMWs and MINIs, our answer is always the same: Liqui Moly.

This is a decision backed by science, engineering, and real-world results. Here's why we believe Liqui Moly products are superior and why they're the most used engine oil in our workshop.

German Engineering Meets German Engineering

Liqui Moly, founded in 1957 in Ulm, Germany, has been developing and manufacturing motor oils and additives for nearly seven decades. Their products are designed with the same engineering philosophy that drives BMW: precision, performance, and uncompromising quality.

When you pour Liqui Moly into your BMW's engine, you're combining two pinnacles of German engineering excellence.

BMW-Approved Specifications

BMW engines have specific requirements. BMW issues Longlife (LL) specifications that oils must meet to be approved for use in their vehicles. Liqui Moly offers a comprehensive range of BMW-approved oils:

BMW Longlife-01 (LL-01)

• Designed for petrol engines
• Required for most BMW petrol engines from 2001 onwards
• Excellent cold-start protection
• Superior high-temperature stability

BMW Longlife-04 (LL-04)

• Formulated for diesel engines with DPF
• Low-SAPS formula protects particulate filters
• Ideal for modern BMW diesel engines
• Extended drain intervals possible

BMW Longlife-17 FE+ (LL-17 FE+)

• Latest specification for newest BMW engines
• Ultra-low viscosity for maximum fuel efficiency
• Designed for B38, B48, and B58 engines
• Liqui Moly is one of the few manufacturers with this approval

Why Liqui Moly is Superior

Our workshop stocked with Liqui Moly products for every BMW service

1. Voted Germany's Best Oil Brand

Liqui Moly has been consistently voted Germany's best oil brand by readers of Auto Bild and other leading automotive publications. When German motorists—some of the most discerning drivers in the world—overwhelmingly choose Liqui Moly, that's a powerful endorsement.

2. Additive Technology

What sets Liqui Moly apart is their proprietary additive technology. Their oils contain specially developed additives that:

• Reduce friction between moving parts
• Prevent wear on critical engine components
• Clean deposits from internal engine surfaces
• Protect against corrosion during cold starts
• Maintain viscosity across extreme temperature ranges

3. MoS2 (Molybdenum Disulfide)

Liqui Moly's name actually comes from their signature ingredient: Moly (Molybdenum Disulfide). This microscopic solid lubricant fills in the tiny imperfections in metal surfaces, creating an ultra-smooth protective layer that reduces friction even when oil pressure drops during stop-start driving or high-performance use.

4. Made in Germany

While many oil brands are manufactured globally with varying quality standards, Liqui Moly products are exclusively made in Germany. This ensures consistent quality, rigorous testing, and adherence to the highest manufacturing standards.

Real-World Results We See in Our Workshop

Cleaner Engines

When we service vehicles that have been using Liqui Moly, the difference is visible. Rocker covers come off cleaner, oil passages are clear, and there's noticeably less sludge and carbon buildup compared to engines running on lesser oils.

Engine internals after consistent Liqui Moly use - clean and protected

Compare this to an engine that hasn't been using quality oil with irregular service intervals - the difference is clear

Consistent Performance

Whether it's a daily-driven 320d or a track-focused M4, Liqui Moly maintains its protective properties under all driving conditions. The oil doesn't thin out under high temperatures or thicken excessively in cold weather.

Extended Engine Life

Proper lubrication is the single most important factor in engine longevity. By using superior oil, you're investing in thousands of extra kilometres of reliable service from your engine.

Which Liqui Moly Oil for Your BMW?

Whether its a petrol powered N55 or the super common diesel N47 we usually recommend TopTec 4200 and Molygen 5W30 most new BMW models.

Molygen's distinctive fluorescent additive - makes leak detection easy under UV light

They are both LL-01 and LL-04 approved and provide:

• Excellent for both daily driving and spirited use
• Superior high-temperature stability
• Low-SAPS formula protects DPF
• Excellent soot-handling properties

For Older Pre-2002 BMWs

Liqui Moly MoS2 Leichtlauf 10W-40

• Extra protection for worn components
• MoS2 additive reduces metal-to-metal contact
• Helps reduce oil consumption

Liqui Moly Additives We Recommend

Beyond engine oil, Liqui Moly offers a range of additives that provide genuine benefits:

Cera Tec

Cera Tec - ceramic-based wear protection for your engine

A ceramic-based wear protection additive that reduces friction by up to 20%. We recommend using this product every third service if you stick to our recommendations for oil intervals.

Engine Flush

Engine Flush dissolves deposits and prepares your engine for fresh oil

Before oil changes on new-to-us vehicles, we use Liqui Moly Engine Flush to dissolve and remove deposits, sludge, and contaminants. This ensures the new oil can do its job effectively from the first moment. We recommend continuous use until no more deposits can be found in the oil filter.

Oil Additive (MoS2)

The original Liqui Moly product—a molybdenum disulfide additive that reduces friction and wear in high-mileage engines.

The Cost of Quality

Yes, Liqui Moly costs more than budget oils. A 5-litre container of premium Liqui Moly may be €15-25 more than a generic alternative. But consider it's a small price to pay as opposed to an engine rebuild.

Our Oil Change Service

At M Coding Ireland, every oil service includes:

• Genuine Liqui Moly oil (BMW LL-01 or LL-04 approved)
• Liqui Moly Engine Flush (optional)
• Liqui Moly Cera Tec additive (optional)
• Quality oil filter (OEM or equivalent)
• Sump plug washer replacement
• Vehicle inspection and fluid top-up
• CBS/service indicator reset

We don't cut corners. Every vehicle that leaves our workshop has the best protection we can provide.

Every bolt torqued to specification - attention to detail in every service

Book Your Oil Change

Ready to give your BMW or MINI the lubrication it deserves?

View Our Service Pricing

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Frequently Asked Questions

Q: Is Liqui Moly really better than dealer oil?

BMW dealers use various oil brands that meet BMW specifications. Liqui Moly not only meets but often exceeds these specifications, with additional additive technology that provides superior protection.

Q: How often should I change my oil?

We recommend oil changes every 10,000 km or 12 months, whichever comes first—regardless of what the BMW service indicator suggests. The factory intervals of 30,000 km are too long.

Q: Do you stock Liqui Moly for DIY customers?

We primarily use Liqui Moly for our service customers.

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At M Coding Ireland, we're passionate about keeping BMWs running perfectly. Using Liqui Moly is just one of the ways we ensure your vehicle receives the best care possible.