NOVAPARTS Expansion Tank with Cap for BMW F30

F30

$39.99

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Key Features

Replacement expansion tank with included cap
Fits BMW F30 applications listed by manufacturer
Stock-style fix for cracked or leaking reservoir
Good match for refresh during cooling system service
Check hose necks and mounts during install
Bleed cooling system properly after replacement

Product Details

Category: Expansion Tanks
ASIN: B0D3KMVNTK

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NOVAPARTS Expansion Tank with Cap for BMW F30 — Overview

This is a replacement coolant expansion tank with cap for F30 3 Series applications. If your original tank is yellowed, cracked at the seams, or starting to seep around the neck, this is the part you replace before it turns into an overheating problem. It fits the basic job BMW owners know well on F30 cars - keeping the cooling system properly filled and pressurized.

I’d pick this when you need a straightforward stock-style replacement and don’t want to reuse an old cap on a tired tank. It makes sense for daily-driven 328i, 335i, and 328d cars where the factory plastic is just aging out. On any coolant job, I’d still check the mounting points, hose connections, and bleed procedure, because a new tank will not fix a weak hose or a failing water pump.