Gates HVAC Heater Hose P/N:12256
Keep coolant flowing from the water pump to the pipe with the Gates heater hose 24945 — a premium molded coolant hose pre-shaped to match the factory routing on your BMW. This water-pump-to-pipe hose fits the 2006 BMW 325i, 325xi, 330i and 330xi, the 2007-2013 328i, the 2007-2008 328xi, the 2007-2010 X3, the 2008-2013 128i and the 2009-2013 328i xDrive — see the Buyer's Guide tab for engine-level fitment.
This Gates molded heater hose meets the requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances), and handles a temperature range of -40°F to +257°F (-40°C to +125°C). Gates recommends replacing the hose clamps each time a new coolant hose is installed, and cautions against using it for fuel or oil transfer applications.
Interchange: 20789S · 11537535829 · F10344 · 17589
This part cross-references / interchanges with the following part numbers:
Is this Gates hvac heater hose a direct replacement for my BMW?
It's a molded coolant hose pre-shaped to match the factory routing from the water pump to the pipe on the listed BMW applications. Check the Buyer's Guide tab to confirm the correct engine for your vehicle.
What is the hose made of?
It has an EPDM tube, synthetic fiber knit reinforcement, and a heat-, ozone- and chemical coolant-resistant EPDM cover.
What temperature range does this hose handle?
It's rated for -40°F to +257°F (-40°C to +125°C) and meets SAE 20R4 class D2 and DIN 73411 class A specifications (except for tolerances).
Should I replace the hose clamps too?
Yes — Gates recommends installing new hose clamps each time a coolant hose is replaced.
Can I use this hose for fuel or oil lines?
No. Gates cautions against using it for fuel or oil transfer applications; it's built for coolant use only.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.