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The Toyota WW engine family is a series of 16 valve DOHC inline-4 turbo diesel engines with common rail injection. These engines are based on the BMW N47,[1] modified for use in Toyota vehicles. Toyota redesigned the Stop & Start system, created new ECU, more insulator engine mounts, installed its own DPF filters and a new dual-mass flywheel, resulting in a smoother, quieter and more efficient and refined engine^{[according to whom?]}. The WW engine is offered in 1.6 (112 PS, 270 Nm) and 2.0 liter (143 PS, 320 Nm) versions.[2]

This article relies largely or entirely on a single source. (January 2019)

Toyota WW engine
Overview
Manufacturer	Toyota Motor Corporation & BMW
Production	2011–2018
Layout
Configuration	Straight-4
Block material	Aluminium
Head material	Aluminium
Valvetrain	DOHC 4 valves x cyl.
Combustion
Fuel system	Common Rail
Fuel type	Diesel
Chronology
Predecessor	Toyota AD engine

1WW

1WW
Overview
Manufacturer	BMW & Toyota
Layout
Displacement	1598 cc
Cylinder bore	78.0 mm
Piston stroke	83.6 mm
Compression ratio	16.5:1
Combustion
Fuel type	diesel
Output
Power output	82 kW (110 hp)
Torque output	270 N⋅m (199 lbf⋅ft)
Chronology
Predecessor	2.0 D4D 120

Also mounted in the F20 BMW 116d EfficientDynamics, F20 114d (95 PS) and the Mini Cooper D and Countryman D series.

Applications:

• Toyota Verso 1.6 D-4D[2]
• Toyota Auris
• Toyota Avensis

2WW

2WW
Layout
Displacement	1995 cc
Cylinder bore	84.0 mm
Piston stroke	90.0 mm
Compression ratio	16.5:1
Combustion
Fuel type	diesel
Output
Power output	106.5 kW (143 hp)
Torque output	320 N⋅m (236 lbf⋅ft)

Turbocharged

Applications:

• Toyota Avensis 2.0 D-4D
• Toyota RAV4 2.0 D-4D

References

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