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BMW 3 Saloon – M340 d Mild-Hybrid xDrive diesel

G20 · 250 kW / 340 hp

2018 - now · Diesel hybrid · Engine code B57D30B or B57D30A

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Car Details

Details may vary by version.

Engine

Fuel
Diesel hybrid
Made
From 2018
Engine code
B57D30B or B57D30A
Power type
Mild hybrid (small electric helper)
Engine size
2,993 cc (3 litres)
Engine power
340 hp (250 kW) at 4,400 rpm
Total power
340 hp (250 kW)
Torque (pulling power)
700 Nm at 1,750 to 2,250 rpm
Cylinders
6, in a row (inline)
Turbo
Turbo
Fuel injection
Common-rail diesel injection
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Valves
24 (4 per cylinder)
Valve system
DOHC
Bore x stroke
84 x 90 mm
Compression ratio
16.5:1
Engine position
Front, lengthways (longitudinal)
Electric motor power
11 hp (8 kW)
Catalytic converter
Diesel oxidation catalyst

Fluids and capacities

Engine oil amount
7 litres
Engine oil grade
0W-30, 0W-40, 5W-30 or 5W-40
Coolant
7.7 litres
Fuel tank
59 litres
Drive battery size
0.4 kWh
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Drive battery type
Lithium-ion
Drive battery voltage
48 volts

Gearbox and drive

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

Wheels, brakes, suspension and steering

Tyre size
225/45 R18 or 255/40 R18
Wheel (rim) size
7.5J x 18 or 8.5J x 18
Front brakes
Ventilated discs
Rear brakes
Ventilated discs
Steering
Rack and pinion, electric power steering
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Front suspension
Suspension strut, Anti-roll bar
Rear suspension
Independent multi-link spring suspension with anti-roll bar

Size and weight

Body style
Saloon (sedan)
Seats
5
Doors
4
Length
4,713 mm
Width
1,827 mm
Height
1,440 to 1,445 mm
Weight (empty)
1,800 to 1,820 kg
Ground clearance
130 to 135 mm
Boot space
480 litres
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Wheelbase
2,851 mm
Width with mirrors
2,068 mm
Front track
1,583 mm
Rear track
1,567 mm
Turning circle
12 metres
Maximum weight (loaded)
2,325 to 2,340 kg
Load it can carry
505 to 540 kg
Roof load
75 kg
Front overhang
803 mm
Rear overhang
1,059 mm

Speed and fuel use

Fuel use, mixed driving
5.3 to 6.4 l/100 km (about 15.6 to 18.9 km per litre)
Fuel use in town
7.3 to 7.7 l/100 km (about 13 to 13.7 km per litre)
Fuel use on the highway
4.2 to 4.5 l/100 km (about 22.2 to 23.8 km per litre)
Top speed
250 km/h
0 to 100 km/h
4.6 seconds
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CO2 emissions
139 to 168 g/km
Emission standard
Euro 6

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

More

Towing, trailer with brakes
1,800 kg
Towing, trailer without brakes
750 kg
Weight on the tow bar
75 kg
Air drag (Cd)
0.26 to 0.27
Engine systems
Start-stop (engine switches off at lights), Particulate filter (DPF/GPF)