Radiator Overflow Bottle – BMW 1 Series, 3 Series, Z4, X1 (17137567462)
This high-quality radiator expansion tank (Teilex SD203525) is a direct replacement for OE part number 17137567462 and several compatible BMW references. Also referred to as a coolant reservoir or overflow tank, it plays a crucial role in maintaining proper coolant pressure and volume, helping to prevent overheating and ensuring consistent engine temperature regulation.
Key Features:
Direct replacement for OE numbers:
17137567462, 17137519368, 17137543026, 17137607482, 17137640514
Also listed as: 7 519 368, 7 543 026, 7 567 462, 7 607 482
Maintains cooling system pressure and prevents coolant loss
High-strength plastic construction for durability and heat resistance
Manufactured to meet or exceed OEM specifications
Part No: SD203525 | Brand: Teilex
Compatible With:
BMW 1 Series
Hatchback (E81) – 2006–2011
Coupe (E82) – 2006–2013
Convertible (E88) – 2008–2013
Hatchback (E87) – 2003–2013
BMW 3 Series
Saloon (E90) – 2004–2011
Touring (E91) – 2004–2012
Coupe (E92) – 2005–2013
Convertible (E93) – 2006–2013
BMW Z4
Roadster (E89) – 2009–2016
BMW X1
(E84) – 2009–2015
Note: This is an aftermarket replacement part manufactured by Teilex, not a genuine BMW component.
