Heating and Cooling› Oil and Fluid Coolers

Mishimoto

BMW E46 NONM VEHICLES ALUMINUM COOLANT EXPANSION TANK

$211.26

SKU: M00C MMRT-E46-99E

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mishimoto Aluminum Coolant Expansion Tank is a direct fit for the 1999-2006 BMW E46 non-M models. It features all-aluminum, TIG-welded construction for maximum durability. The tank includes an integrated coolant level mechanism and retains the use of your stock coolant level sensor. It is compatible with stock quick-disconnect fittings and both manual and automatic transmissions. This expansion tank comes with a high-pressure 2.0 Bar radiator cap.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMishimoto
Part NumberM00C MMRT-E46-99E

Buy with Confidence

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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