Cooling System Water Hoses — BMW 3 Series E90

BMW exploded parts diagram 17_0421 (17 Radiator) for the BMW 3 Series E90. ETK list captured for some variants on this drawing; parts we can identify for the others.

Parts on this diagram

BMW lists these parts for the models shown. Check with your VIN before ordering.

• 1 · 17 12 7 577 965 — Hose, engine feed-radiator top
• 1 · 17 12 7 566 031 — Hose, engine feed-radiator top
• 2 · 17 12 7 552 407 — Hose, radiator bottom-thermostat
• 3 · 17 12 7 510 098 — Hose clamp 40/24
• 4 · 17 12 7 552 409 — Line, heater return-thermostat
• 4 · 17 12 7 552 408 — Line, heater return-thermostat
• 4 · 17 12 7 566 041 — Line, heater return-thermostat
• 4 · 17 12 7 566 040 — Line, heater return-thermostat
• 5 · 17 12 7 545 785 — Screw, self tapping M6x34
• 7 · 17 11 7 524 710 — Hose, radiator-engine oil heat exchanger
• 8 · 17 11 1 711 987 — O-ring 14,5x2,5
• 9 · 17 11 7 536 971 — Screw, self tapping D6x20 ZNS3
• 10 · 64 21 6 904 030 — Hose clamp
• 11 · 17 12 7 565 092 — Ventilation line radiator top
• 12 · 34 32 1 156 893 — Hose clamp 13,2-15,7
• 13 · 13 31 1 738 201 — Clip d=8mm

Diagram © BMW AG as printed on the drawing. Reproduced for part identification. OEM Diagrams is independent of BMW AG, MINI and Rolls-Royce Motor Cars.