Fluid · Engine Oil
Engine Oil
for 1981 BMW 320i 1.8L M10 SOHC I4 (K-Jetronic, ~101 hp) · RWD
Fluid Type
15W-40 or 20W-50 conventional/mineral
Spec: API SF or SG
Capacity
4.8qt
4.54 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
3,000 mi
4,827 km
Notes
E21 M10 engine; includes filter change. Modern 10W-40 or 15W-40 acceptable.
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