BMW diagram reference
Cooling System Water Hoses for BMW 1 Series E87 120i (2003)
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.
| No. | Part number | Description | Qty | Notes |
|---|---|---|---|---|
| -- | 17127525027 | Refrigerant pipe | X | ENDED, +core |
| -- | 17127525028 | Refrigerant pipe | X | ENDED, +core |
| -- | 17127548239 | Line, heater return - thermostat | X | |
| -- | 17127548241 | Line, heater return - thermostat | X | +core |
| 01 | 117127525023 | Hose from engine to radiator, top- | 1 | +core |
| 03 | 17127525022 | Hose from radiator bottom - thermostat | 1 | +core |
| 04 | 13621433077 | Temperature sensor, coolant | 1 | |
| 05 | 17127548241 | Line, heater return - thermostat | 1 | +core |
| 06 | 17127527911 | Screw self-tapping | 2 | |
| 06 | 17127545785 | Screw self-tapping | 3 | |
| 07 | 64216904030 | Hose clamp | 1 | |
| 08 | 16136762112 | Hose clamp | 1 | |
| 09 | 17127565091 | Venting line radiator top | 1 | +core |
| 10 | 13311738201 | Clip | 2 | |
| 11 | 17127530539 | Hose clamp | 1 | |
| 11 | 34321156893 | Hose clamp | 1 |