Heating and Cooling› Overflow Tanks and Catch Cans

BMW Genuine Parts

Expansion Tank Hose

$45.13

SKU: 11531730351

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Genuine BMW water hose is a direct replacement for the expansion tank hose.

This hose is crafted to meet the original specifications for BMW vehicles, ensuring proper fit and function. It is made by Genuine BMW, guaranteeing OEM quality.
Show original supplier description
This hose connects the expansion tank to the rest of the coolant system, ensuring proper fluid circulation and pressure regulation. Manufactured by Genuine BMW, this part meets stringent OEM quality standards, providing a reliable and durable solution for your cooling system needs. The listed associated part numbers, including 11-53-1-730-351 and 11531730351, confirm its authenticity and direct interchangeability with original equipment. This water hose is specifically designed to fit select BMW E36 models, including the 325i, 325is, 325iC, and M3. The fitment details indicate compatibility with models from 1992 through 1996, specifically those equipped with 2.5L L6 engines for the 325 variants and 3.0L L6 engines for the M3.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBMW Genuine Parts
Part Number11531730351
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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