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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 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 12.80-litre fuel tank, offers a seat height of 775 mm and spans a 1565 mm wheelbase. That's roughly 50.1 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 BMW C 400X compared with other bikes in the Scooter category
Here is how the 2019 BMW C 400X stacks up against other bikes in the Scooter category in our database. Each model counts once, using the model year closest to this one, and the comparison covers up to 1110 models.
- Top speed of 139 km/h is higher than that of 331 of the other 368 bikes in the Scooter category.
- Only 153 of the other 1109 bikes in the Scooter category have a larger engine displacement than the 350 cc of the C 400X.
- With 35 Nm, the C 400X has the 131st highest torque of 796 bikes in the Scooter category, 75% above the category average of 20 Nm.
- Narrowing the field to the 221 models within five model years of it, the top speed of 139 km/h is higher than that of 199 of the other 220.
2019 C 400X - Pros & Cons
Strengths
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🔧
Fuel injection: The fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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🛑
Strong front braking: The single disc front brake gives excellent stopping power and responds well to aftermarket braided lines.
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🛡️
ABS fitted: Anti-lock braking is standard, adding a real margin of safety on wet roads or in an emergency stop.
Considerations
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⚙️
Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.
Wear Points & Servicing Notes
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 single disc 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 Double aluminum swingarm, double springs struts, adjustable 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.
Final drive maintenance
Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.
Frame & chassis check
The frame is Steel tube construction with aluminum die cast unit and #8232; - 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 with its 350 cc scooter, start with the basics: check the service book for oil change frequency, inspect the drivetrain for wear, and look for oil seepage around the engine casings and rocker covers. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 7 years old, this scooter is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. 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 for the C 400X's 350 cc single cylinder, four-stroke. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. With an 11.5:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. 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.
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 torque does the 2019 BMW C 400X produce?
The 2019 BMW C 400X produces 35 Nm @ 6000 Revolutions of torque.
What is the fuel tank capacity of the 2019 BMW C 400X?
The 2019 BMW C 400X has a 12.80-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 single disc with 4-piston calipers and ABS at the front and single disc with 1-piston calipers and ABS at the rear.
What tyre sizes does the 2019 BMW C 400X use?
The front tyre size on the 2019 BMW C 400X is 120/70-ZR15.
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 |
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| 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
Torque
35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6000 Revolutions
Top Speed
139.0 km/h / 86.4 mph
Weight
204.0 kg / 449.7 lbs
Fuel Capacity
12.80 litres / 3.38 US gallons
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Full 2019 BMW C 400X Specifications
Comments
Windscreen.
Colours
Alpine White, Zenith Blue Metallic, Black Storm Metallic
Seat Height
775 mm / 30.5 in.
Wheelbase
1565 mm / 61.6 in.
Height
1305 mm / 51.4 in.
Length
2210 mm / 87.0 in.
Width
835 mm / 32.9 in.
Dry Weight
193 kg / 425.5 lbs
Fuel Capacity
12.80 litres / 3.38 US gallons
Wet Weight
204.0 kg / 449.7 lbs
Displacement (cc)
350.0 cc
Displacement (ci)
21.36 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Overhead Cams (OHC)
Bore x Stroke (in,)
3.1 x 2.7 inches
Bore x Stroke (mm)
80.0 x 69.5 mm
CO2
81.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel System
Injection
Compression Ratio
11.5:1
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 Reserve
4.00 litres / 1.06 US gallons
Ignition
BMS-E2 digital engine management
Starter
Electric
Valve System
4
Clutch
Centrifugal dry clutch
Final Drive
Chain (final drive)
Gearbox
Automatic
Primary Drive
Chain drive in oil bath
Frame Type
Steel tube construction with aluminum die cast unit and #8232;
Suspension - Front
Telescopic front fork, Ø 35 mm
Suspension - Rear
Double aluminum swingarm, double springs struts, adjustable preload
Rake
26.4°
Trail
81 mm / 3.2 in.
Wheel Travel - Front
110 mm / 4.3 in.
Wheel Travel - Rear
112 mm / 4.4 in.
Lighting system
LED headlights
Brakes - Front
Single disc. 4-piston calipers. ABS.
Brakes - Rear
Single disc. 1-piston calipers. ABS.
Rims
Cast aluminum
Tyres - Front
120/70-ZR15
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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