Manufacturer:	BMW
Production:	1987–1995
Predecessor:	BMW M12
Successor:	span>BMW M43
Class:	SOHC traight-4
Engine:	1.6 L (1596 cc/97 in³)1.8 L (1796 cc/109 in³)
Related:	BMW M42
Similar:	Mercedes-Benz M102

M40B16

The M40B16 is a 1.6 L (1596cc) version of the M40 producing 102 hp of mechanical power and 143 ft. lbf of force using Bosch M1.3 fuel injection.

Applications:

* 1988–1995 E30 316i
* 1990–1994 E36 316i

M40B18

The M40B18 is a 1.8 L (1796cc) version of the M40 producing 115 hp of mechanical power and 165 ft. lbf. of force. Like the M40B16, it also uses Bosch M1.3 fuel injection.

Applications:

* 1987–1995 E30 318i
* 1988–1994 E34 518i
* 1992–1993 E36 318i

Models

Engine	Displacement	Power	Torque	Redline	Year
M40B16	1.6 L (1596 cc/97 in³)	75 kW (101 hp) @ 5500	143 N•m (105 ft•lbf) @ 4250	6200	1988
		73 kW (98 hp) @ 5500	141 N•m (104 ft•lbf) @ 4250	6200	1988
M40B18	1.8 L (1796 cc/109 in³)	85 kW (114 hp) @ 5500	165 N•m (122 ft•lbf) @ 4250	6200	1987
		83 kW (111 hp) @ 5500	162 N•m (119 ft•lbf) @ 4250	6200	1987