BMW_M57

BMW M57

BMW M57

Reciprocating internal combustion engine


The BMW M57 is a straight-6 diesel engine produced from 1998 up to 2013 in BMW's upper Austrian engine plant in Steyr.

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Sound of the engine in a BMW E39

Description

The M57 is a water-cooled and turbocharged inline six cylinder diesel engine with common-rail-injection. It was revised twice during its production time. It is based on its predecessor M51. The block and the crankcase of the first M57 engines and the TÜ (Technische Überarbeitung = revision) engines are made of cast iron, whilst the TÜ2 engines are made of aluminium instead.[1] The combustion chamber was also changed in the TÜ2.[1] The injection pressure is 1,350 bar (19,600 psi)[2] in the non TÜ engine, whilst all other engines use a pressure of 1,600 bar (23,000 psi).[2] For fuel injection, magnetic injectors are used, except from the TÜ2 OL and TOP engines, which make use of piezo injectors.[2] The common-rail-system is made by Bosch and also controlled by a Bosch DDE 4 ECU for non TÜ and DDE 5 ECU for TÜ.[3] All models are equipped with turbocharger and an intercooler. The 2.9L M57, which is found in E39 530d and E38 730d, as well as early models of E46 330d and E53 X5, is equipped with one Garrett GT2556V turbocharger. The 2.5L M57TÜ uses a Garrett GT2056V turbocharger, the 3.0L M57TÜ a Garrett GT2260V turbocharger, the M57TÜ2 a Garrett GT2260VK turbocharger, whilst the M57D30TÜTOP sports a BorgWarner KP39 high-pressure and a K26 low-pressure turbocharger.[4] The compression ratio reaches from 16.5:1 to 18.0:1, M57 engines with higher power output and more than one turbocharger have a lower compression ratio.[5] Every cylinder has two inlet and two exhaust valves as well as two chain-driven overhead camshafts.[6] The redline is 4750 rpm.

Technical data

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Applications

M57D25

Bore x stroke: 80 mm × 82.8 mm (3.15 in × 3.26 in)[5]

M57D25TÜ

Bore x stroke: 84 mm × 75.1 mm (3.31 in × 2.96 in)[3]

  • 2003 - 2007 in the BMW E60/E61 525d 120 kW (161 hp) or 130 kW (174 hp)[5]

M57D30

Bore x stroke: 84 mm × 88 mm (3.31 in × 3.46 in)[5]

  • 130 kW (174 hp) and 390 N⋅m (288 lb⋅ft)
  • 135 kW (181 hp) and 390 N⋅m (288 lb⋅ft)
  • 135 kW (181 hp) and 410 N⋅m (302 lb⋅ft)
  • 142 kW (190 hp) and 410 N⋅m (302 lb⋅ft)
  • 142 kW (190 hp) and 430 N⋅m (317 lb⋅ft)

M57D30TÜ

Bore x stroke: 84 mm × 90 mm (3.31 in × 3.54 in)[3]

  • 150 kW (201 hp) and 410 N⋅m (302 lb⋅ft)
  • 160 kW (215 hp) and 500 N⋅m (369 lb⋅ft)

M57D30TÜ TOP

Bore x stroke: 84 mm × 90 mm (3.31 in × 3.54 in)[3]

  • 200 kW (268 hp) and 560 N⋅m (413 lb⋅ft)

M57D30TÜ2

Bore x stroke: 84 mm × 90 mm (3.31 in × 3.54 in)[3]

M57D30TÜ2 TOP

Bore x stroke: 84 mm × 90 mm (3.31 in × 3.54 in)[3]

See also


References


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