BMW N62

The BMW N62 is a naturally aspirated V8 petrol engine which was used in BMW cars from 2001–2010. It also remained in small-scale production for the Morgan Aero until 2019.[1] The N62 is the world's first engine to use a continuously variable-length intake manifold,[2] and BMW's first V8 to feature variable valve lift (called Valvetronic).[3][4][5]

BMW N62
Overview
Production2001-2010
Layout
ConfigurationNaturally aspirated 90° V8
Block materialAluminium
Head materialAluminium
ValvetrainDOHC w/ VVT & VVL
Combustion
Fuel typeGasoline
Chronology
PredecessorBMW M62
SuccessorBMW N63

Unlike its predecessor and successor, there was no M version of the N62.

In the International Engine of the Year awards in 2002, the N62 was awarded "International Engine of the Year", "Best New Engine" and "Above 4-litre" categories.[6]

Design

Compared with its M62 predecessor, the N62 also has double-VANOS (variable valve timing on both the intake and exhaust camshafts).[7] As per the M62, the N62 has double overhead camshafts (DOHC) with four valves per cylinder, an aluminium engine block, an aluminium cylinder head and fracture-split forged powdered metal connecting rods. The redline is 6500 rpm.[4]

Versions
EngineDisplacementPowerTorqueYear
N62B363,600 cc (219.7 cu in)200 kW (272 PS; 268 bhp)
at 6,200 rpm		360 N⋅m (266 lb⋅ft)
at 3,700 rpm		2001
N62B404,000 cc (244.1 cu in)225 kW (306 PS; 302 bhp)
at 6,300 rpm		390 N⋅m (288 lb⋅ft)
at 3,500 rpm		2005
N62B444,398 cc (268.4 cu in)235 kW (320 PS; 315 bhp)
at 6,100 rpm		440 N⋅m (325 lb⋅ft)
at 3,700 rpm		2002
245 kW (333 PS; 329 bhp)
at 6,100 rpm		450 N⋅m (332 lb⋅ft)
at 3,600 rpm		2004
N62B484,799 cc (292.9 cu in)265 kW (360 PS; 355 bhp)
at 6,200 rpm		500 N⋅m (369 lb⋅ft)
at 3,500 rpm		 2004
261 kW (355 PS; 350 bhp)
at 6,300 rpm		 475 N⋅m (350 lb⋅ft)
at 3,400 rpm		 2007
270 kW (367 PS; 362 bhp)
at 6,300 rpm		490 N⋅m (361 lb⋅ft)
at 3,400 rpm		2005
H14,398 cc (268.4 cu in)368 kW (500 PS; 493 bhp)
at 5,500 rpm		700 N⋅m (516 lb⋅ft)
at 3,500 rpm		 2005
390 kW (530 PS; 523 bhp)
at 5,500 rpm		725 N⋅m (535 lb⋅ft)
at 4,750 rpm		2007

N62B36

The N62B36 is a 3,600 cc (219.7 cu in) version producing 200 kW (270 PS; 270 bhp) at 6,200 rpm and 360 N⋅m (270 lb⋅ft) at 4,250 rpm.[4] Bore is 84 mm (3.3 in) and stroke is 81.2 mm (3.2 in).[8]

Applications:

  • 2001-2005 E65/E66 735i/735Li

N62B40

The N62B40 is a 4,000 cc (244.1 cu in) version producing 225 kW (306 PS; 302 bhp) at 6,300 rpm and 390 N⋅m (290 lb⋅ft) at 3,500 rpm.[4] Bore is 87 mm (3.4 in) and stroke is 84.1 mm (3.3 in).[7]

Applications:

  • 2005-2010 E60/E61 540i sedan and touring
  • 2005-2008 E65/E66 740i/740Li sedan

N62B44

The N62B44 is a 4,398 cc (268.4 cu in) version. Bore is 92 mm (3.6 in) and stroke is 82.7 mm (3.3 in). It produces 245 kW (333 PS; 329 bhp) at 6,100 rpm and 450 N⋅m (330 lb⋅ft) at 3,600 rpm (except for in the X5 model).

Applications:

  • 2001-2005 E65/E66 745i/745Li
  • 2004-2006 E53 X5 4.4i- 235 kW (320 PS; 315 bhp) at 6100 rpm and 440 N⋅m (325 lb⋅ft) at 3700 rpm
  • 2003-2005 E60/E61 545i
  • 2003-2007 E63/E64 645Ci
  • 2005-2007 Morgan Aero 8 Series 2 and Series 3[9]

N62B48

The N62B48 has a displacement of 4,799 cc (292.9 cu in), a bore of 93 mm (3.7 in) and a stroke of 88.3 mm (3.5 in).

Applications- 261 kW version:

Applications- 265 kW version:

Applications- 270 kW version:

Alpina H1

The H1 is a version of the N62B44 made by Alpina. Changes to the engine include an Alpina specific block, a forged crankshaft and high strength Mahle pistons and the addition of an ASA centrifugal supercharger.[11]

Applications- 368 kW

Applications- 390 kW

See also

References
  1. "The Last Aero". evo Australia. January 2019: 130.
  2. Hirschfelder, Klaus; Völkl, Werner; Kühnel, Hans-Ulrich; Sinn, Walther; Huck, Armin (March 2002). "The first continuously variable intake system in the new eight-cylinder engine from BMW". MTZ Worldwide. 63 (3): 2–6. doi:10.1007/bf03227525. ISSN 2192-9114.
  3. "BMW E65 - Drive". www.drive-my.com. Retrieved 3 June 2017.
  4. "BMW Heaven Specification Database | Engine specifications for N62 engines".
  5. "BMW Engines: From M to N – Part 2". www.bmwblog.com. 2008-12-27. Retrieved 27 June 2017.
  6. "Previous Winners". www.ukimediaevents.com. Retrieved 24 November 2018.
  7. "BMW N62 V8 Engine". www.unixnerd.demon.co.uk. Retrieved 1 July 2017.
  8. "BMW 735i E65 specifications". www.carfolio.com. Retrieved 29 June 2017.
  9. "2005 Morgan Aero 8 New Car Buyer's Guide". Autosite.com. Archived from the original on 20 September 2010. Retrieved 2010-09-13.
  10. "Press release: Morgan announces 5th generation Aero 8" (PDF). Morgan. 2015. Retrieved 2017-01-27.
  11. "ALPINA B5 Roadtest". www.fastsaloons.com. Archived from the original on 20 November 2018. Retrieved 20 November 2018.
  12. "BMW 5 Series E60/61: ALPINA Automobiles". www.alpina-automobiles.com.
  13. "BMW 6 Series E63/64: ALPINA Automobiles". www.alpina-automobiles.com. Retrieved 2 December 2018.
  14. "BMW 7 Series E65/66: ALPINA Automobiles". www.alpina-automobiles.com. Retrieved 2 December 2018.
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