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This is a quality aftermarket replacement aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.
If you're looking for a Genuine BMW factory replacement part, Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
This product was last offered at the strikethrough price on
05-14-2026
This product was last offered at the strikethrough price on
05-14-2026
This product was last offered at the strikethrough price on
03-31-2026
This product was last offered at the strikethrough price on
04-10-2026
The URO Expansion Tank Cap - BMW E30 is a crucial component for maintaining optimal cooling system performance by ensuring proper pressure regulation. Over time, older radiator caps lose their ability to hold pressure, leading to a lower boiling point and potential overheating issues. This high-quality replacement cap is designed to restore factory pressure levels, preventing coolant loss and maintaining engine efficiency. Crafted from durable materials, it resists wear and temperature fluctuations, ensuring long-lasting reliability.