Radiator Overflow Bottle – BMW i3, MINI R55–R61 (17137823626)

This high-quality radiator expansion tank (Teilex SD190949) is a direct replacement for OE part number 17137823626 and its superseded references. Also known as a coolant reservoir or overflow bottle, it helps regulate coolant levels and maintain system pressure, ensuring reliable engine temperature control in a wide range of BMW and MINI models.

Key Features:

Direct replacement for OE numbers:
 17137823626, 17137539267
 Also listed as: 7 823 626

Manufactured to meet or exceed OEM standards

Resistant to thermal cycling and engine bay pressure

Ensures proper coolant storage and recovery

Part No: SD190949 | Brand: Teilex

Compatible With:

BMW

i3 (I01) – 2013–2025

MINI Models:

Clubman (R55) – 2006–2014

Hatchback (R56) – 2005–2013

Convertible (R57) – 2007–2015

Coupe (R58) – 2010–2015

Roadster (R59) – 2011–2015

Countryman (R60) – 2010–2016

Paceman (R61) – 2012–2016

Note: This is an aftermarket replacement part manufactured by Teilex, not a genuine BMW or MINI component.

Shipping

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✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

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