All BMW Models 1935 Motorcycles
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BMW R12 Twin carb

1935 · Vintage

Year1935
MakeBMW
Displacement745.00 ccm (45.46 cubic inches)
CategoryVintage
BMW R12 Twin carb
BMW R12 Twin carb - Main Image
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Review
The BMW R12 Twin Carb, introduced in 1935, stands as a pivotal model in the history of motorcycle engineering, showcasing the innovative spirit and craftsmanship of its era. With its distinctive 746cc flat-twin engine, the R12 delivered a remarkable balance of power and smoothness, providing a thrilling ride that set it apart from its contemporaries. The addition of twin carburetors allowed for increased performance and efficiency, amplifying the bike's reputation as a reliable and robust touring motorcycle. Its innovative features, such as the cantilever rear suspension and a sturdy frame design, not only enhanced comfort but also contributed to superior handling, making it a favorite among enthusiasts and long-distance riders alike. Today, the BMW R12 Twin Carb is more than just a classic motorcycle; it represents a significant milestone in the evolution of motorcycle technology and design. Its combination of engineering excellence and aesthetic appeal makes it a highly sought-after collectible among vintage motorcycle enthusiasts. Owning an R12 is not merely about possessing a piece of history; it's an opportunity to experience the legacy of BMW's commitment to quality and performance. As a testament to their enduring allure, these motorcycles continue to command respect and admiration, preserving their value in the classic motorcycle market.
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Pros (Advantages)

✅ Why buy this bike?

Innovative Design: The R12 featured a shaft drive and a pressed steel frame, which were advanced for its time, providing a smooth and stable ride.Powerful Engine: With its 745cc flat-twin engine, the R12 offered a balance of power and torque, making it capable of handling various road conditions with ease.Comfortable Riding Position: The ergonomics of the R12 were designed for comfort, allowing for longer rides without causing excessive fatigue to the rider.Iconic Styling: The R12 is recognized for its classic and timeless aesthetic, which has made it a sought-after model among vintage motorcycle enthusiasts and collectors.Historical Significance: As one of the first BMW motorcycles to feature a hydraulic front fork, the R12 played a crucial role in the evolution of motorcycle technology and design, marking a significant milestone in the brand's history.
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Cons (Disadvantages)

⚠️ Things to consider

Limited Power Output: The R12's 750cc flat-twin engine produces a modest amount of horsepower compared to modern motorcycles, which can make it feel underpowered, especially for highway riding or steep inclines.Heavy Weight: Weighing in at around 400 lbs, the R12 can be cumbersome for some riders, particularly when maneuvering in tight spaces or during low-speed handling.Vibration and Comfort: The flat-twin engine design can result in noticeable vibrations at higher speeds, which may lead to rider fatigue on longer journeys.Maintenance and Parts Availability: Given its age, finding replacement parts and performing maintenance can be challenging. Specialized knowledge and skills are often required, which can be a barrier for less experienced riders.Braking Performance: The R12 is equipped with drum brakes, which may not provide the same level of stopping power or modulation as modern disc brakes, potentially affecting safety and confidence during braking maneuvers. These factors should be considered by anyone looking to own or ride a vintage motorcycle like the BMW R -
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Alternatives

⚖️ Comparison & Competition

Harley-davidson EL (1936) The Harley-davidson EL, often known as the Knucklehead, was a revolutionary motorcycle featuring a new overhead valve engine design. Known for its distinctive styling and powerful performance, the EL helped solidify Harley's reputation during the 1930s and is highly regarded by collectors today.Indian Scout (1920s-1940s) The Indian Scout was a versatile and agile motorcycle, popular for both racing and everyday use. Its V-twin engine provided a good balance of power and weight, making it suitable for various riders. Known for its classic styling and reliability, the Scout remains a beloved model among vintage motorcycle enthusiasts.Norton 16H (1930s) The Norton 16H was a popular British motorcycle known for its robust construction and reliability. With a simple yet effective design, it was favored by both civilian riders and military forces during World War II. The 16H featured a single-cylinder engine, making it easy to maintain while delivering respectable performance.BSA M20 (1940s) The BSA M20 was a military motorcycle developed during World War II. Renowned for its ruggedness and dependability, it featured a 500cc side-valve engine and was used extensively by the British Army. The M20's durability and straightforward design made it a favorite among service personnel.Moto Guzzi GT 500 (1930s) The Moto Guzzi GT 500 was an early model that showcased the brand's engineering prowess. With its distinctive transverse V-twin engine, the GT 500 offered a unique riding experience and solid performance. Its classic Italian styling and innovative design elements made it a notable motorcycle of its era. These motorcycles, while differing in design and performance, share a historical significance that parallels the BMW R12, making them intriguing alternatives in the vintage motorcycle landscape
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License Class (EU)

The BMW R12 Twin carb produces 20 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Fuel Economy & Running Costs

Estimated average for 745cc class: 35-50 mpg (5.0-7.0 L/100km)

⛽ Tank: 14.00 litres (3.70 gallons)

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Insurance Class

Insurance grouping for BMW R12 Twin carb (745cc):

  • 📋 Group 15-20+ — performance class, higher premiums
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    Insurance Calculator (UK est.)

    Personalised premium estimate for the BMW R12 Twin carb (UK rates):

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

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    Price Estimate

    Estimated price range for the BMW R12 Twin carb based on comparable motorcycles:

    AVERAGE
    $2,587

    📊 Category-based (18 motorcycles) · Approximate (USD)

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    Buy New & Used

    Find new and used BMW R12 Twin carb 1935 listings:

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

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