URO Premium BMW Cooling System Parts & Accessories for BMW 5 Series E34 (1987-1995)

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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URO Aluminum Thermostat Housing - E34 E36 Z3 M50/52 S50/52
URO Aluminum Thermostat Housing - E34 E36 Z3 M50/52 S50/52
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T#:14587
Part#: 11531722531
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$ 21.99 USD
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The plastic thermostat cover in your BMW is a known point of failure. Throughout the years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating. Eliminate one of the weak links in your cooling system with a replacement aluminum thermostat housing. By installing this aluminum unit, you have no worries as far as plastic housing cracks go. This is the last thermostat housing you will need to put on your vehicle.
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Uro - Aluminum Coolant Hose Connector for E9x, and Z4
Uro - Aluminum Coolant Hose Connector for E9x, and Z4
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T#:37757289
Part#: 11537545890PRMK
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$ 24.99 USD
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Aluminum Connector that replaces the OEM brittle Plastic
BMW Brass Coolant Bleeder Screw - Priced Each
BMW Brass Coolant Bleeder Screw - Priced Each
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T#:587673
Part#: 17111712788PRM
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$ 5.99

This product was last offered at the strikethrough price on
01-07-2026

$ 5.05 USD
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$ 5.05 USD
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Having an operational bleeder screw for your coolant system assures that when service is performed, all air pockets are removed. Having air pockets in your coolant system prevents your system from functioning properly. Your heat may not work as well and there is the potential for engine overheating if the air pocket is trapped behind the thermostat. Be sure that all of the air is bled out of your system with a new bleeder screw.
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Aluminum Thermostat Housing Cover - E32 E34 E38 E31 with M60 V8 engine
Aluminum Thermostat Housing Cover - E32 E34 E38 E31 with M60 V8 engin...
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T#:2369
Part#: 11531720173
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$ 11.00 USD
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$ 11.00 USD
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This aluminum thermostat housing cover is a direct replacement for the factory unit. It fits BMW E32 740i 740il E34 530i 540i E38 740i 740il 1995, E31 840i thru 1995.

With more than 4,000 European vehicle replacement parts, URO is no stranger to the market. Superior metal stock and extremely strict quality control are at the forefront of URO’s agenda and it shows as they become the OE supplier for more and more car companies every single day.


This item fits the following BMWs:
1993-1995 E34 BMW 530i 540i
1988-1994 E32 BMW 740i 740il
1995-2001 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci

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