URO BMW Cooling System Parts & Accessories for BMW 5 Series E61 (2006-2010)

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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 Thermostat - E60, E61, E82, E83, E88, E90, E91, E92, E93, Z4 ...
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T#:591812
Part#: 11537549476
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$ 74.99 USD
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Restore proper function to your cooling system
URO Water Pump - BMW N52 3.0L
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T#:39768338
Part#: 11517586925
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$ 296.99 USD
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If your engine is over heating or you have noticed coolant loss, there is a chance your water pump has failed. This URO replacement is a great option to get your BMW back on the road without breaking the bank.
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Radiator Hose
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T#:15445590
Part#: 17127546064
In Stock
$ 46.99 USD
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Replace your leaking hose with a new hose to keep your BMW running at its best.

Auxiliary Fan Switch O-Ring
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T#:377077
Part#: 13621433077S
In Stock
$ 0.88 USD
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Now you can just replace the o-ring instead of the whole switch

Coolant Expansion Tank
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T#:377314
Part#: 17137542986
In Stock
$ 55.99 USD
$ 55.99 USD
The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break. You want to keep all the coolant in your vehicle in the cooling system. If your tank has experienced damage such as cracking, nipples breaking off, or mounting point damage, you will need to replace it.
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Expansion Tank Cap
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T#:373099
Part#: 17137516004
Ships in 1 Business Day
$ 15.99

This product was last offered at the strikethrough price on
04-10-2026

$ 10.99 USD
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$ 10.99 USD
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The coolant expansion tank cap keeps necessary pressure on your coolant to increase efficiency. If you have an overheating issue in your vehicle, a simple, quick, and inexpensive part to replace is this cap.
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BMW Engine Coolant Hose Kit
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T#:46753513
Part#: 11537560530-K
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$ 18.99 USD
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This short, curved coolant hose connects to the auxiliary water pump located near the transmission.
Expansion Tank Hose
For vehicles with Automatic transmission only
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T#:33913469
Part#: 17127560971
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$ 138.99 USD
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$ 138.99 USD
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Connects to the bottom of the expansion tank and is routed to the thermostat

URO Coolant Hose - BMW E60 E61 E83 N52
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T#:639219
Part#: 11537519494
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$ 20.99 USD
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Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded.
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URO Expansion Tank Vent Pipe - BMW E60 E61 E63 E64 N52 N62
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T#:43750238
Part#: 17127521775
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$ 29.99 USD
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Replace your cracked and leaking hose with this replacement to keep your BMW running at its best.
URO Coolant Pipe O-Ring - BMW N52 3.0L
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T#:37892133
Part#: 11517514942
Back Ordered
$ 2.09 USD
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URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

  • Precision-molded to OE dimensions for easy installation and perfect fit.
  • Resists cooling system heat and antifreeze for reliable performance.
  • Durable ECD-resistant EPDM material prevents electrolysis.
  • Temperature rating of -40º F to 275º F for extreme condition durability.
  • Includes a 24-month unlimited mileage warranty for peace of mind.
  • Specifically designed for BMW N52 3.0L engines.
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URO Coolant Hose - Return Line - E60, E61
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T#:45278652
Part#: 17127521778
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$ 29.99 USD
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Lower; Radiator to Thermostat Housing


Auxiliary Fan Switch
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T#:376847
Part#: 13621433077
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$ 10.99 USD
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$ 10.99 USD
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Comes with related o-ring