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Contents

   



(Top)
 


1 Design  





2 Versions  





3 See also  





4 References  














BMW N40






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From Wikipedia, the free encyclopedia
 


BMW N40 engine
Overview
Production2001–2004
Layout
ConfigurationInline-4
Displacement1.6 L (1,596 cc)
Cylinder bore84 mm (3.31 in)
Piston stroke72 mm (2.83 in)
Cylinder block materialAluminium
Cylinder head materialAluminium
ValvetrainDOHC, with VVT
Combustion
Fuel typePetrol
Chronology
PredecessorBMW M43
SuccessorBMW N45

The BMW N40 is a DOHC four-cylinder petrol engine which replaced the 1.6 litre versions of the BMW M43.[1] It was produced from 2001-2004 and only sold in several countries, where taxes favoured cars with smaller displacement engines. The N40 was replaced by the BMW N45.

Design[edit]

BMW E46/5 316ti

The N40 is based on the BMW N42 engine and uses the same crankcase, pistons and bore size of 84 mm (3.3 in). The redline is 6,500 rpm.

Unlike the N42, the N40 does not have Valvetronic (variable valve lift). The other major difference is a 9 mm (0.4 in) reduction in stroke to 72.0 mm (2.8 in), which results in a smaller displacement than the N42.

Versions[edit]

Version Displacement Power Torque Years
N40B16 1,596 cc (97 cu in) 85 kW (114 bhp)
at 6,100 rpm
150 N⋅m (111 lb⋅ft)
at 4,300 rpm
2001–2004

Applications:[2]

See also[edit]

References[edit]

  1. ^ Lewin, Tony (2004). The Complete Book of BMW: Every Model in the World Since 1962. MotorBooks International. pp. 258–259. ISBN 9781610592055.
  • ^ "3'E46 316i model selection". www.realoem.com. Retrieved 12 March 2017.

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=BMW_N40&oldid=1093180206"

    Categories: 
    BMW engines
    Straight-four engines
    Gasoline engines by model
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    This page was last edited on 15 June 2022, at 02:19 (UTC).

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