BMW Engine Coolant Pipe – 3 Series (E36), 5 Series (E34), Z3 (E36) (11531739208)

This high-quality BMW engine coolant pipe is a direct replacement for OEM part number 11531739208.  
Also known as a coolant return pipe, water pipe, or cooling tube, it ensures proper coolant circulation between the radiator and engine to maintain optimal temperature and prevent overheating.  
Constructed from durable, heat-resistant materials for a long service life and precise OEM fit.

Key Features:
- Direct replacement for OEM part number: 11531739208  
- Also referred to as coolant return pipe, water pipe, or cooling tube  
- Maintains correct coolant flow and temperature regulation  
- Heat- and pressure-resistant construction  
- OEM-style fit for easy installation  

Compatible With:
BMW  
- 3 Series (E36) – Compact 316i, 318ti; Saloon 316i, 318i, 320i, 323i, 325i, 328i; Coupe 316i, 318is, 320i, 323i, 325i, 328i; Touring 316i, 318i, 320i, 323i, 328i (1990–2000)  
- 5 Series (E34) – Saloon 518i, 520i, 525i, 530i, 535i; Touring 520i, 525i, 530i (1987–1997)  
- Z3 (E36) – Roadster 1.8, 1.9, 2.0, 2.2i, 2.8, 3.0i (1995–2003)  

Compatible Engine Codes:
M40B16, M40B18, M42B18, M43B16, M43B18, M44B19, M50B20, M50B25, M50B25TU, M52B20, M52B25, M52B28, M54B22, M54B30, M20B20, M20B25, M30B30, M30B35, M60B30, S50B30, S50B32, S54B32  

Year Range:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003  

This is an aftermarket replacement part, not a genuine BMW component.