BMW M51

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BMW M51 engine
Manufacturer	BMW
Production	1991–2000
Predecessor	BMW M21
Successor	BMW M57
Class	Straight-6 Diesel
Engine(s)	2.5 L (2498 cc/152 in³)

The BMW M51 is a straight-6 Diesel engine produced from July 1991 through February 2000.

Models

Engine	Displacement	Power	Torque	Redline	Year
M51D25 UL	2.5 L (2498 cc/152 in³)	85 kW (115 hp) @ 4800	222 N·m (164 ft·lbf) @ 1900	5200	1991-1997
M51D25 OL		105 kW (143 hp) @ 4800	260 N·m (192 ft·lbf) @ 2200	5200	1991-1996
M51D25TU UL		85 kW (115 hp) @ 4800	222 N·m (164 ft·lbf) @ 1900	5200	1996-1998
M51D25TU OL		105 kW (143 hp) @ 4600	280 N·m (192 ft·lbf) @ 2200	5000	1996-2000

The "td" stands for "turbodiesel" while "tds" refers to "intercooled turbodiesel".

Applications:

• 1991-1997 E36 325td (M51D25 UL)
• 1996-1998 E36 325td (M51D25TU UL)
• 1993-1996 E36 325tds (M51D25 OL)
• 1996-1998 E36 325tds (M51D25TU OL)

• 1992-1996 E34 525td (M51D25 UL)
• 1991-1996 E34 525tds (M51D25 OL)
• 1996-2000 E39 525tds (M51D25TU OL)
• 1996-2000 E38 725tds (M51D25TU OL)
• 1995-2001 Land Rover Range Rover 2.5 D/DSE

Same engine is also used in 1995-2001 Opel Omega

[edit] See also

• List of BMW engines