Engine

BMW M51

Automotive Engines

The BMW M51 was an inline six-cylinder diesel engine built at the Upper Austrian BMW plant in Steyr from July 1991 through February 2000, succeeding the M21 and followed by the M57. It was water-cooled and turbocharged with indirect injection, supplied by an electronically controlled Bosch VP37 distribution pump, and it displaced 2,497 cc with a compression ratio of 22.0:1. Some variants added an intercooler and carry the tds designation. It has a cast iron block, an aluminium head, one chain-driven overhead camshaft and two valves per cylinder, and compared with the M21 it gained tappets and hydraulic valve lash adjustment. Bosch DDE 2.1 controlled injection in the first engines and all E36 models, replaced by DDE 2.2 for more torque at low revs. It powered the 325td and 325tds, the 525td and 525tds and the 725tds, as well as the Range Rover and the Opel Omega B.

Facts
Classification
Fuel or Cycle
Diesel 1
Configuration
Inline 1
Year
1991 1
Cylinder Count
6 1
Connections

Exemplifies

Source BMW M51 (Wikipedia)

Of Make

Source BMW M51 (Wikipedia)
In the Other Atlases

Manufactured By

Also in Business Atlas: the manufacturer of this subject.

Source BMW M51 (Wikipedia)Lead, maker
Quote, Lead, maker
The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
Sources
1. BMW M51 (Wikipedia)
  • Lead, production
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Lead, cylinders
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Lead, layout
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Lead, fuel
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Lead, maker
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • In Group: Road Car Engines of Europe and Japan, Lead
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Exemplifies: Automobile Transport, Lead, mode
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Of Make: BMW, Lead, make
    The BMW M51 is an inline-6 cylinder Diesel engine produced by the Upper Austrian BMW plant in Steyr from July 1991 through February 2000.
  • Part Of: BMW 3 Series, Applications
    1991 - 1996 BMW 325td (M51D25 UL)
  • Part Of: BMW 7 Series, Applications
    1996 - 2000 BMW 725tds (M51D25TÜ OL)
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