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2019 BMW C 400X Overview
The 2019 BMW C 400X is a scooter motorcycle built around 350 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Overhead Cams (OHC) valve actuation, a compression ratio of 11.5:1. The bore and stroke measures 80 x 69.5 mm. 2019 BMW C 400X delivers 25.3 kW @ 7500 rpm of peak power and 35 Nm @ 6000 Revolutions of torque. The factory-quoted top speed stands at 139 km/h, making it a capable performer in its class. From a practical standpoint, the 2019 C 400X tips the scales at 204 kg, carries a 12.8-litre fuel tank, offers a seat height of 775 mm and spans a 1565 mm wheelbase. That's roughly 6.3 kg heavier than the average scooter motorcycle in our database. Scroll down for the complete 2019 BMW C 400X spec sheet covering every technical detail from suspension travel to tyre sizes.
2019 C 400X - Pros & Cons
Strengths
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⚡
Strong power output: 2019 BMW C 400X makes 25.3 kW @ 7500 rpm with 35 Nm @ 6000 Revolutions of torque - competitive figures for its class.
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🔧
Fuel injection: The fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
Considerations
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ℹ️
Age-related wear: As with any used C 400X, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Wear Points & Servicing Notes
Cooling system servicing
The Liquid cooled system on the C 400X needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.
Fuelling & injector care
Fuelling comes from fuel injection. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Brake disc and pad wear
The 2x 265mm Rigid discs 4 piston caliper. front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the C 400X runs Telescopic front fork, Ø 35 mm and Aluminum double-sided swing arm, double spring strut, adjustable spring preload at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Frame & chassis check
The frame is Tubular spaceframe - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.
C 400X - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2019 BMW C 400X, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained C 400X should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any C 400X. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The C 400X's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
2019 BMW C 400X - Frequently Asked Questions
What engine does the 2019 BMW C 400X have?
The 2019 BMW C 400X uses a Single cylinder, four-stroke engine with 350 cc of displacement. It is liquid cooled.
What is the top speed of the 2019 BMW C 400X?
The 2019 BMW C 400X has a factory-quoted top speed of 139 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 2019 BMW C 400X weigh?
The 2019 BMW C 400X weighs 204 kg. This is the manufacturer's wet figure.
How much power does the 2019 BMW C 400X make?
The 2019 BMW C 400X produces 25.3 kW @ 7500 rpm of power and 35 Nm @ 6000 Revolutions of torque. These are peak figures.
What is the fuel tank capacity of the 2019 BMW C 400X?
The 2019 BMW C 400X has a 12.8-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 213-256 km between stops.
Is the 2019 BMW C 400X suitable for shorter riders?
The 2019 BMW C 400X has a seat height of 775 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2019 BMW C 400X have?
The 2019 BMW C 400X uses 2x 265mm Rigid discs 4 piston caliper. at the front and Single 265mm disc 1 piston caliper. at the rear.
What tyre sizes does the 2019 BMW C 400X use?
The 2019 BMW C 400X runs 120/70-ZR15 front and 150/70 ZR14 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2019 BMW C 400X have?
The 2019 BMW C 400X is fitted with a Continuously variable CVT belt transmission transmission.
BMW C 400X Spec Evolution
The BMW C 400X was produced across 5 model years (2019-2025). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2019 |
2020 |
2021 |
2023 |
2025 |
| Max Power |
25.3 kW / 34 hp @ 7500 rpm |
25.3 kW / 34 hp @ 7500 rpm |
25 kW / 33.5 hp @ 7500 rpm |
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25 kW / 33.5 hp @ 7500 rpm |
| Wet Weight |
204.0 kg / 449.7 lbs |
204 kg / 450 lbs |
206 kg / 454.1 lbs |
204.0 kg / 449.7 lbs |
208 kg / 458.6 lbs |
| Dry Weight |
193 kg / 425.5 lbs |
193 kg / 425.5 lbs |
195 kg / 429.9 lbs |
193 kg / 425.5 lbs |
197 kg / 434.3 lbs |
| Top Speed |
139.0 km/h / 86.4 mph |
139.0 km/h / 86.4 mph |
139.0 km/h / 86.4 mph |
153.0 km/h / 95.1 mph |
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| Seat Height |
775 mm / 30.5 in. |
775 mm / 30.5 in |
775 mm / 30.5 in |
775 mm / 30.5 in. |
775 mm / 30.1 in |
| Fuel Capacity |
12.8 Litres / 3.4 US gal |
12.8 Litres / 3.4 US gal |
12.8 Litres / 3.4 US gal |
12.80 litres / 3.38 US gallons |
12.8 Litres / 3.4 US gal |
| Comments |
Windscreen. |
- |
Automatic Stability Control |
Automatic Stability Control |
- |
| Frame Type |
Tubular spaceframe |
Tubular spaceframe |
Steel tube construction with aluminum die cast unit |
Tubular steel with die-cast aluminum sections |
Steel bridge-type frame |
Key Specifications
Engine
Single cylinder, four-stroke
Power
25.3 kW / 34 hp @ 7500 rpm
Torque
35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6000 Revolutions
Top Speed
139.0 km/h / 86.4 mph
Fuel Capacity
12.8 Litres / 3.4 US gal
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Full 2019 BMW C 400X Specifications
Comments
Windscreen.
Year
2018 - 19
Colours
Alpine White, Zenith Blue Metallic, Black Storm Metallic
Make Model
BMW C 400X
Seat Height
775 mm / 30.5 in.
Seat Height
775 mm / 30.5 in
Wheelbase
1565 mm / 61.6 in.
Wheelbase
1564.5 mm / 61.6 in
Height
1305 mm / 51.4 in.
Length
2210 mm / 87 in
Length
2210 mm / 87.0 in.
Seat Height (Inner Leg Curve)
1760 mm / 69.3 in
Width
833 mm / 32.8 in
Width
835 mm / 32.9 in.
Dry Weight
193 kg / 425.5 lbs
Fuel Capacity
12.8 Litres / 3.4 US gal
Fuel Capacity
12.80 litres / 3.38 US gallons
Wet Weight
204.0 kg / 449.7 lbs
Wet Weight
204 kg / 450 lbs
Bore x Stroke (mm)
80.0 x 69.5 mm
Bore x Stroke (in,)
3.1 x 2.7 inches
CO2
81.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Displacement (cc)
350.0 cc
Displacement (ci)
21.36 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Overhead Cams (OHC)
Displacement
350 cc / 21.3 cu-in
Engine Detail
Four stroke, single cylinder, SOHC, 4 Valves, with rocker arm
Fuel System
Injection
Bore x Stroke
80 x 69.6 mm
Compression Ratio
11.5:1
Compression Ratio
11.5:1
Cooling System
Liquid cooled
Emissions
Closed-loop 3-way catalytic converter, emission standard EU-4
Engine Lubrication
Wet sump
Exhaust
Stainless Steel
Fuel Consumption
3.50 litres/100 km (28.6 km/l or 67.21 mpg)
Fuel Induction
Fuel injection, BMS-E2 40mm throttle valve diameter
Fuel Reserve
4.00 litres / 1.06 US gallons
Fuel Type
Regular lead free (95 RON)
Ignition
BMS-E2 digital engine management
Starter
Electric
Starter
Electric, 500 kW
Valve System
4
Battery Capacity
12/9 V/Ah
Clutch
Centrifugal dry clutch
Clutch
Centrifugal clutch
Final Drive
Gear reduction cog wheel pairing
Final Drive
Chain (final drive)
Gearbox
Automatic
Primary Drive
Chain drive in oil bath
Transmission / Drive
Continuously variable CVT belt transmission
Frame Type
Tubular spaceframe
Frame Type
Steel tube construction with aluminum die cast unit and #8232;
Suspension - Front
Telescopic front fork, Ø 35 mm
Suspension - Front
35mm Telescopic forks.
Suspension - Rear
Aluminum double-sided swing arm, double spring strut, adjustable spring preload
Suspension - Rear
Double aluminum swingarm, double springs struts, adjustable preload
Rake
26.4°
Rake
26.4°
Trail
81 mm / 3.2 in.
Trail
81.2 mm / 3.2 in
Wheel Travel - Front
110 mm / 4.3 in
Wheel Travel - Front
110 mm / 4.3 in.
Wheel Travel - Rear
112 mm / 4.4 in
Wheel Travel - Rear
112 mm / 4.4 in.
Alternator
316W
Lighting system
LED headlights
Brakes - Front
2x 265mm Rigid discs 4 piston caliper.
Brakes - Front
Single disc. 4-piston calipers. ABS.
Brakes - Rear
Single 265mm disc 1 piston caliper.
Brakes - Rear
Single disc. 1-piston calipers. ABS.
ABS
BMW Motorrad ABS
Rims
Cast aluminum
Rims - Front
3.50 x 15
Rims - Rear
4.25 x 14
Tyres - Front
120/70-ZR15
Tyres - Front
120/70 ZR15
Tyres - Rear
150/70 ZR14
Wheels
Die-cast aluminum wheels
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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