M20B27 2.7L Badged as 2.5L 6 Cylinder Built from 1982 to 1988
M20B27
The 2693 cc M20B27 was designed for efficiency (thus the e for the Greek letter eta in 325e) and low-rev torque. Compared with the M20B25, the stroke is increased from 75 mm (3.0 in) to 81 mm (3.2 in).
Power output is 121 hp (90 kW) at 4,250 rpm for M20B27 engines produced up until 1987 and 127 hp (95 kW) at 4,800 rpm for the "325es" model produced in 1988.[19] Peak torque is 170 lb·ft (230 N·m) at 3,250 rpm for M20B27 engines. In 1987, the fuel injection was upgraded from Motronic 1.0 to Motronic 1.1/1.3.[19]
Applications:
1982–1988 E30 325/325e/325es
1982–1988 E28 525e (or 528e in the US)
