Like the larger capacity m30 engine from which it is derived the m20 has a sohc and 2 valves per cylinder.
Bmw e21 m20 engine.
Swap in an m20b25 engine into a us e21 320i body performed on.
80 e21s maybe all e21s.
The rear differential is the desirable 373 lsd.
M20b23 23 litre straight six bored and stroked to 27 litres rebuilt for higher compression with high comp pistons and cylinder head modded to reduce combustion area schrick 304 cam schrick 090 valve springs mira valve seats re angled for optimal flow triple weber idh 44mm carbs with custom trumpets custom manifolds by robert and per ajden.
The bmw e21 is the first generation of the bmw 3 series compact executive cars which were produced from june 1975 to 1983 and replaced the bmw 02 series.
I do not assume any responsibility for the correctness of these instructions.
This is a 1983 bmw e21 with a 25l m20 mated to a 5 speed transmission.
Fuel injected engines were introduced in late 1975 and 6 cylinder engines were added in 1977.
Swapping in other m20s m20b27 etc should be similar time needed.
It was released in 1977 in the e12 5206 and e21 3206 and began to be phased out following the introduction of the m50 engine in 1990.
This combination is perfect for the 25l m20 motor.
Starts up immediately hot or cold as well.
The engine is fully serviced and runs smooth cold and at temperature.
83 320i with an engine from an 89 325i applies to.
Initial models were produced in a two door sedan body style with four cylinder petrol engines.
The bmw m20 is a straight six sohc piston engine produced from 1977 1993.
The first cars to use the m20 were the e12 5 series and the e21 3 seriesthe initial m20 model had a displacement of 20 l 122 cu in with later versions having displacements of up.
The bmw m20 is a sohc straight six petrol engine which was produced from 1977 to 1993.
It was introduced eight years after the larger bmw m30 straight six engine which remained in production alongside the m20.
M20 engine swap into e21 320i.