BMW 164ci Specs: 84 x 81 mm

BMW 164ci specs: 84 x 81 mm (3.3071 x 3.1890 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement	164 ci
Cylinders	6
Bore	3.307"
Stroke	3.189"
Advertised power	121–127 hp
Years	1982–1988

This engine

Engine	Displacement	Bore × Stroke	CR	HP
M20B27	164 ci	3.3071" × 3.189"	—	121–127

Factory cars with a BMW 164ci

• BMW 5 Series: 1982, 121 hp; 1983, 121 hp; 1984, 121 hp; 1985, 121 hp; 1986, 121 hp; 1987, 121 hp; 1988
• BMW 3 Series / M3: 1984, 121 hp; 1985, 121 hp; 1986, 121 hp; 1987, 121 hp; 1988, 127 hp

What varies across the family

This family is represented by a single engine in the database: 164 ci, 6 cylinders, a 3.3071" × 3.189" bore and stroke.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

← All BMW engines