(3-00454) Aluminum Thermostat Housing & Gasket M50/M52 S50/S52 (11531722531)

Uro premium aluminum thermostat housing kit, with choice of Mahle Behr thermostat. The factory plastic thermostat housings that come on all M50, M52, US S50 and S52 will eventually fail.  The...

Uro Premium upgrade aluminum water pump pulley for all S52, M52 single vanos and M50 enginess. Stock sizing (this is not an underdrive pulley) Many do not realize that the factory BMW water pump...

These are brand new Genuine BMW parts that we had chrome plated.  They are all unused.   These hooks bolt to the front of the engine between the valve cover and oil filter housing...

Genuine BMW die cast aluminum Oil Filter Cap.  While this is a robust part, they do occasionally crack from over torquing. We suggest keeping one in your parts stash just in case...

The intake boot on the S52 and M52 engines are one of the most common causes of vacuum leaks and check engine lights.  The inner ribs of the accordion portion of the boot crack and fail causing...

This BimmerBum assembled kit offers assurance that your system can handle removing the belt driven clutch fan. Spend enough time on Z3 forums or ZSCCA on Facebook and you will notice a pattern...

Replace that missing trim tab! Often missing and easily lost, these trim caps cover the nuts that hold down the engine cover on all US Spec S52 and S50 engines.  Priced individually. BMW Part...

Not sold on “Fan Deleting” your Z3?  THIS IS YOUR SOLUTION.   Like many BMWs the Z3 uses a plastic composite mechanical cooling fan.  These are pretty robust, but with age they...

Genuine BMW replacement water pump with o-ring for all M52 and M54 engines. The factory pumps have gained a bad reputation over the years for having failure prone plastic impellers.  The factory...