What is the engine displacement of the 1933 BMW R 4 Series 2?

The 1933 BMW R 4 Series 2 has an engine displacement of 398.0 ccm (24.29 cubic inches).

How much horsepower does the 1933 BMW R 4 Series 2 have?

The 1933 BMW R 4 Series 2 produces 12.0 HP (8.8 kW )) @ 4000 RPM of power.

What is the top speed of the 1933 BMW R 4 Series 2?

The 1933 BMW R 4 Series 2 has a top speed of 100.0 km/h (62.1 mph).

What is the fuel consumption of the 1933 BMW R 4 Series 2?

The 1933 BMW R 4 Series 2 has an approximate fuel consumption of 3.50 litres/100 km (28.6 km/l or 67.21 mpg).

1933 BMW R 4 Series 2 Price, Specs, Review

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Review

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The 1933 BMW R 4 Series 2 represents a step in the evolution of BMW's pre-war motorcycles. Its 398cc engine produces 12 hp at 4000 rpm, providing a reliable and engaging riding experience. The R 4 Series 2 is designed for both daily commuting and longer trips, offering a balance of practicality and enjoyable performance. Its engineering reflects the era's focus on durability and rider comfort. Equipped with a 10-liter fuel tank, the R 4 Series 2 provides a useful range for extended rides. The front suspension utilizes a cartridge system, contributing to a stable and predictable ride. Braking is handled by an expanding drum brake at the front, requiring a considered approach to stopping. It has a top speed of 100 km/h. This motorcycle appeals to vintage enthusiasts who appreciate the classic styling and mechanical simplicity of pre-war BMWs. The R 4 Series 2 offers a rewarding riding experience, attracting those who value historical significance and the unique character of vintage machines.

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Pros (Advantages)

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✅ Why buy this bike?

• Pioneering shaft drive offered superior reliability and cleaner operation compared to chain drive systems of the era. • Robust flat-twin engine design provided smooth power delivery and excellent low-end torque for its displacement. • High-quality German engineering ensured durability and longevity, making it a reliable workhorse for the 1930s. • Advanced suspension for its time, with plunger rear suspension, offered a more comfortable ride than many competitors. • Relatively fuel-efficient for a 400cc motorcycle, important during the economic challenges of the Great Depression. • Iconic styling, a classic pre-war BMW aesthetic, makes it highly collectible and visually appealing today.

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Cons (Disadvantages)

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⚠️ Things to consider

• Limited top speed and acceleration due to its modest engine size, unsuitable for sustained high-speed travel. • Drum brakes, while standard, offered only adequate stopping power, especially in wet conditions. • Lack of modern amenities like electric start meant kick-starting was the only option, requiring effort. • Relatively heavy for its engine size, impacting agility and making low-speed maneuvering more challenging. • Spare parts are extremely rare and expensive today, making restoration and maintenance a significant challenge.

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License Class (EU)

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The BMW R 4 Series 2 produces 12 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

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Fuel Economy & Running Costs

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Manufacturer-quoted consumption: 3.50 litres/100 km (28.6 km/l or 67.21 mpg).

⛽ Tank: 10.00 litres (2.64 US gallons)

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Insurance Class

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Insurance grouping for BMW R 4 Series 2 (398cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)

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Personalised premium estimate for the BMW R 4 Series 2 (UK rates):

💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Buy New & Used

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Find new and used BMW R 4 Series 2 1933 listings:

🛒 eBay Motors 🏍️ Cycle Trader 🇬🇧 Auto Trader UK 🔍 Google Listings

💡 Third-party listings. MotoBike Info is informational only.

👤 Final premium varies by rider age, history, location.

BMW R 4 Series 2

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