BMW diagram reference

Cooling system-water pump for BMW 3 Series E21 315 (1981)

Use this BMW diagram reference when you know the component location or position number and need to identify the OEM part number, quantity, and notes.

Diagram reference

Use the position table

This page does not display a diagram image while image-source permission is unverified. Use the position numbers and part table to identify candidate BMW part numbers.

Open source reference

No.Part numberDescriptionQtyNotes
0111519070749Water pump1
0311511727977Gasket Asbestos Free1
0411411741870Slip-ring seal1
0511510686155Ring cover1ENDED
0611511721478Rotor1ENDED
0707119937274Cover lid1ENDED
0807119904115Wave washer3
0907119932073Spring washer Black4
1007119912471Hex bolt3
1107119912310Hex bolt1
1207119913021Hex bolt3
1311511706676Water pump bearing1ENDED
1407119934645Lock Ring1
1511511264649Flange1ENDED