Description
BMW D50-2 Marine Engine
The BMW D50-2 Marine Engine is a compact and reliable marine diesel engine engineered to deliver smooth performance, fuel efficiency, and long service life for sailboats and small motor vessels. Built on BMW proven automotive diesel technology and marinized for marine environments, the D50-2 is well known for its durability, quiet operation, and dependable power output.
This 4-cylinder, 4-stroke diesel engine is naturally aspirated and designed for consistent torque delivery across cruising RPM ranges. Its efficient combustion system ensures low fuel consumption while maintaining reliable propulsion performance. The engine’s balanced construction reduces vibration and noise, enhancing onboard comfort—particularly important for cruising sailboats and leisure vessels.
The BMW D50-2 features a freshwater cooling system with heat exchanger, protecting the engine block from corrosive saltwater exposure and extending operational lifespan. Marine-grade components and corrosion-resistant materials make it suitable for harsh marine conditions.
Compact in size and service-friendly in design, the D50-2 allows easier installation and maintenance access within confined engine compartments. It is commonly paired with marine transmissions to provide smooth gear engagement and efficient power transfer to the propeller shaft.
Ideal for sailboats, displacement hulls, and small cruisers, the BMW D50-2 remains a respected choice among boat owners seeking dependable, economical marine diesel propulsion backed by German engineering heritage.
Key Features
4-cylinder, 4-stroke marine diesel engine
Naturally aspirated configuration
Freshwater cooling with heat exchanger
Smooth and quiet operation
Fuel-efficient performance
Compact and lightweight design
Corrosion-resistant marine components
Reliable cruising power output
Technical Specifications
Model: BMW D50-2
Configuration: Inline 4-cylinder diesel
Aspiration: Naturally aspirated
Cooling System: Freshwater cooled with heat exchanger
Fuel System: Direct injection
Application: Sailboats, small cruisers, displacement vessels
