Dromedary Thermostat Housing Assembly 11531437040 for BMW E46 E39 X5 X3 Z3 Z4 325i 330i 525i 530i: High-Quality Replacement Part Review

This thermostat housing assembly was exactly what my automotive mechanic needed to fix my car's engine cooling system. It was easy to install and has been working well. The product is durable and made with high-quality materials. However, the package required improve packing quality as the box was slightly crumpled upon arrival. Overall, this is a great product and I highly recommend it to others looking for a reliable replacement part for their engine cooling system.

Can't speak to durability yet as I've just installed it but the fit was good. The alignment of the gaskets and holes was perfect. Fit and finish were on par with the removed OEM thermostat housing.

I installed this on my 1999 528i E39 as a preventive measure when replacing the water pump and hoses. This unit failed in less than a year. The heating element that opens the thermostat failed and gave error p1622, which was again confirmed by the readings of the multimeter in the electronic connection. This means the thermostat failed in the closed position and my car overheated. It's not worth saving a few bucks by buying a cheaply made part when it's critical, and if it fails it can ruin the