M Coolant Return Pipe

Connects to expansion tank return hoses.

Fits M5 M6 models.

Part 11537834115 was found on the following vehicles:

• 5′ E60   (05/2003 — 12/2009)
• 5′ E61 LCI   (12/2005 — 04/2010)
• 6′ E63   (03/2004 — 07/2010)
• 6′ E64   (07/2005 — 07/2010)