BMW Diesel Heater Return Water Pipe Hose Replacement – Restores Cooling System Flow – N47 N57 M47 M57 / Replaces Part No. 11537802632

Restore proper coolant return flow with this replacement BMW diesel heater return water pipe hose. This hose helps route coolant through the heater and cooling system circuit, supporting proper cabin heat, coolant circulation, and overall engine temperature regulation.

Over time, factory coolant hoses and plastic pipe connections can become brittle from heat cycles, age, pressure, and coolant exposure. A worn or cracked heater return pipe hose can lead to coolant leaks, low coolant warnings, poor heater performance, overheating concerns, or reduced cooling system reliability.

This replacement heater return water pipe hose is ideal for repairing coolant leaks, refreshing aging cooling system components, or completing preventative maintenance on compatible BMW diesel models equipped with N47, N57, M47, and M57 engines.

Key Features:

• Replacement diesel heater return water pipe hose
• Helps restore proper cooling system flow
• Supports coolant circulation through the heater return circuit
• Helps maintain proper engine temperature regulation
• Can help fix coolant leaks, low coolant warnings, or poor heater performance
• Ideal for replacing brittle, cracked, or leaking coolant hoses
• Designed for compatible BMW diesel models
• Replaces Part No. 11537802632

FITMENT: BMW 1 Series / 3 Series / 5 Series / 6 Series / X3 / X5 – Diesel Models

• BMW 1 Series – E87
  Production Date: 02/2003-02/2007
• BMW 3 Series – E46
  Production Date: 06/1998-08/2006
• BMW 3 Series – E90
  Production Date: 02/2004-08/2008
• BMW 3 Series – E90 LCI
  Production Date: 11/2007-10/2011
• BMW 3 Series – E91
  Production Date: 02/2004-08/2008
• BMW 3 Series – E91 LCI
  Production Date: 03/2008-05/2012
• BMW 3 Series – E92
  Production Date: 05/2005-02/2010
• BMW 3 Series – E92 LCI
  Production Date: 12/2008-03/2013
• BMW 3 Series – E93
  Production Date: 09/2005-02/2010
• BMW 5 Series – E60
  Production Date: 02/2005-02/2007
• BMW 5 Series – E60 LCI
  Production Date: 11/2005-12/2009
• BMW 5 Series – E61
  Production Date: 04/2005-02/2007
• BMW 5 Series – E61 LCI
  Production Date: 11/2005-05/2010
• BMW 6 Series – E63 LCI
  Production Date: 05/2006-07/2010
• BMW 6 Series – E64 LCI
  Production Date: 04/2006-07/2010
• BMW X3 – E83
  Production Date: 01/2003-07/2006
• BMW X3 – E83 LCI
  Production Date: 03/2006-08/2010
• BMW X5 – E53
  Production Date: 01/2003-09/2006

Compatible with applicable BMW models equipped with N47, N57, M47, and M57 diesel engines using this style heater return water pipe hose.

Please verify your original part number before ordering to confirm compatibility.

Replaces Part No. 11537802632

Please refer to the “Fitment” section in the product description for compatibility details.