Bosch motor active line plus 25 km/h (bes2)

Bosch Active Line Plus e-bike motor (0.275.007.047)

The Bosch Active Line Plus is a quiet and comfortably tuned mid-drive motor for electric bicycles, intended for daily use, recreational rides, and longer tours, where a natural riding feel is more important than maximum sportiness. This motor is often used on city bikes, trekking bikes, and touring e-bikes. The part number 0.275.007.047 corresponds to the Active Line Plus Gen3 (BDU350), introduced around model year 2018.

Key technical specifications

• Motor type: mid-drive motor
• Bosch Drive Unit: BDU350 (Generation 3)
• Bosch part number: 0.275.007.047
• Nominal power: 250 watts
• Maximum torque: 50 Nm
• Assistance up to: 25 km/h
• Voltage: 36 volts
• Weight: approximately 4.0 kg
• Protection class: IPx5 (splash-proof)

The motor provides very smooth and quiet assistance thanks to Bosch's triple sensor system, which continuously measures pedalling force, cadence, and speed, precisely adjusting the support.

Assistance modes & functions

• Eco
• Tour
• Sport
• Turbo
• Auto mode
• Walk assist
• Hill Start Assist
• Suitable for hub gears and coaster brakes

Compatibility

Part of Bosch eBike System 2, compatible with multiple Bosch batteries and displays, but not with the Bosch Smart System.

• PowerPack 300/400/500
• PowerTube 400/500
• Purion
• Intuvia
• Intuvia 100
• Nyon
• Kiox

Typical applications

Widely used on city and trekking e-bikes from Gazelle, Batavus, Sparta, Kalkhoff, and Winora, ideal for flat to slightly hilly terrain.

Summary

The Active Line Plus (0.275.007.047) is a reliable, low-maintenance, and comfort-oriented mid-drive motor for relaxed, quiet, and natural assistance.