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BMW i8 Roadster – hybrid petrol

I15 · 275 kW / 374 hp

2018 - 2020 · Petrol hybrid · Engine code B38K15T0

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Car Details

Details may vary by version.

Engine

Fuel
Petrol hybrid
Made
2018 - 2020
Engine code
B38K15T0
Power type
Plug-in hybrid
Engine size
1,499 cc (1.5 litres)
Engine power
231 hp (170 kW)
Total power
374 hp (275 kW)
Torque (pulling power)
320 Nm at 3,700 rpm
Cylinders
3, in a row (inline)
Turbo
Turbo
Fuel injection
Direct injection
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Valves
12 (4 per cylinder)
Valve system
VALVETRONIC
Bore x stroke
82 x 94.6 mm
Compression ratio
9.5:1
Engine position
Rear, sideways (transverse)
Electric motor power
143 hp (105 kW)

Fluids and capacities

Engine oil amount
4.25 litres
Engine oil grade
0W-20 or 0W-30
Fuel tank
30 litres
Drive battery size
11.6 kWh
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Drive battery type
Lithium-ion
Drive battery voltage
355 volts

Gearbox and drive

Gearbox
6-speed automatic
Driven wheels
4x4 (all four wheels)

Wheels, brakes, suspension and steering

Tyre size
195/50 R20 or 215/45 R20
Wheel (rim) size
7J x 20 or 7.5J x 20
Front brakes
Ventilated discs
Rear brakes
Ventilated discs
Steering
Rack and pinion, electric power steering
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Front suspension
Double wishbone
Rear suspension
Independent multi-link suspension

Size and weight

Body style
Convertible (roadster)
Seats
2
Doors
2
Length
4,689 mm
Width
1,942 mm
Height
1,289 to 1,291 mm
Weight (empty)
1,595 kg
Ground clearance
115 to 117 mm
Boot space
88 litres
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Wheelbase
2,800 mm
Width with mirrors
2,218 mm
Front track
1,644 mm
Rear track
1,721 mm
Turning circle
12.3 metres
Maximum weight (loaded)
1,900 to 1,965 kg
Load it can carry
305 to 370 kg
Front overhang
960 mm
Rear overhang
929 mm

Speed and fuel use

Fuel use, mixed driving
2 l/100 km (about 50 km per litre)
Top speed
250 km/h
0 to 100 km/h
4.6 seconds
Electric-only range
53 km
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CO2 emissions
46 g/km
Emission standard
Euro 6

Fuel use is from official tests; town driving usually uses more.

More

Air drag (Cd)
0.28
Engine systems
Start-stop (engine switches off at lights), Particulate filter (DPF/GPF)