Technical Data



Water-cooled single cylinder 4 stroke engine, 4 valves per cylinder, overhead camshaft with rocker arm, wet sump lubrication

Bore x stroke

80 mm x 69.6 mm


350 cc

Rated output

25 kW (34 hp) at 7,500 rpm

Max. torque

35 Nm at 6,000 rpm

Compression ratio


Mixture control / engine management

BMS-E2 digital engine management

Emission control

Closed-loop 3-way catalytic converter, emission standard EU-4

Performance / fuel consumption

Maximum speed

139 km/h

Fuel consumption per 100 km based on WMTC

3.5 l

CO2 emissions based on WMTC

81 g/km

Fuel type

Unleaded super 95 (ROZ), E10 compatible

Electrical system


Permament Magnet generator 316 W 


12 V / 9 Ah, maintenance-free


500 Watt

Power transmission


Centrifugal dry clutch 


Stepless CVT gearbox

Final Drive

Gearwheel set

Chassis / brakes


Steel tube construction with aluminum die cast unit

Front wheel location / suspension

Upside-down fork, Ø 35 mm

Rear wheel location / suspension

Double aluminum swingarm, double springs struts, adjustable preload

Suspension travel, front / rear

110 mm / 112 mm


1,565 mm


81 mm

Steering head angle



Aluminum cast wheels

Rim, front

3.50 x 15"

Rim, rear

4.25 x 14"

Tyre, front

120/70 ZR 15

Tyre, rear

150/70 ZR 14

Brake, front

Double disc brake, rigid, diameter 265 mm, 4-piston calipers  

Brake, rear

Single disc brake, diameter 265 mm, 1-piston floating caliper  

BMW Motorrad ABS

Dimensions / weights

Seat height

775 mm

Inner leg curve

1,760 mm

Usable tank volume

12.8 l  


4 l  

Length (over mark carrier)

2,210 mm 

Height (over windshield, at unladen weight (DIN))

1,305 mm 

Width (incl. mirrors)

835 mm  

Unladen weight, road ready, fully fuelled

204 kg (dry weight 193 kg)

Permitted total weight

405 kg

Payload (with standard equipment)

201 kg

1) According to guideline VO (EU) 168/2013 with all fluids, with standard equipment and fuelled with at least 90% of usable tank volume

Standard Equipment

  • BMW Motorrad ABS
  • Stainless steel exhaust system
  • LED headlight
  • Tail light and turn indicators
  • Flex-case
  • ASC (Automatic Stability Control),
  • Center stand
  • EWS
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More Individuality

Special equipment and accessories.

With the wide range of special equipment and Original BMW Motorrad accessories you can adapt the C 400 X to perfectly suit your individual preferences of a scooter.

Discover more