BMW Cooling System Parts & Accessories for BMW 6 Series E63 (2004-2010)

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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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Bav Auto Spill-Proof Coolant / Antifreeze Funnel
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Bav Auto Tools - Corporate Logo
T#:580395
Part#: B8800082
In Stock
Sale - Save 15% $ 32.99

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05-03-2026

$ 28.04 USD
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$ 32.99

This product was last offered at the strikethrough price on
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$ 28.04 USD
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Multiple adapters include to fit a variety of vehicles.
Bav Auto Fan Clutch Wrench - 32mm
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Bav Auto Tools - Corporate Logo
T#:580348
Part#: B8800019
In Stock
Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD
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$ 29.99

This product was last offered at the strikethrough price on
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$ 23.99 USD
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Used to remove your fan clutch
Radiator / Cooling System Pressure Tester- Bavarian Autosport ...
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Bav Auto Tools - Corporate Logo
T#:580397
Part#: B8800084
In Stock
Sale - Save 15% $ 146.99

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05-03-2026

$ 124.94 USD
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Sale - Save 15%
$ 146.99

This product was last offered at the strikethrough price on
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$ 124.94 USD
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CSF Race-Spec Oil Cooler - E60 M5, E63/E64 M6 S85
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CSF - Corporate Logo
T#:23947155
Part#: 8275
In Stock
$ 579.00 USD
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$ 579.00 USD
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100% TIG welded aluminum construction, 13x14 bar and plate core, and 40% larger in than factory unit in overall size. This oil cooler was designed to keep your oil temps down to promote safer engine operation and longevity. No matter the application, this cooler is a perfect replacement and upgrade for your stock oil cooler system.
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High-Performance Aluminum Radiator - E60 M5, E63/E64 M6 S85
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CSF - Corporate Logo
T#:23980277
Part#: 7218
Ships in 2 Business Days
$ 695.00 USD
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$ 695.00 USD
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Featuring a ultra-high performance 2-row core, fully TIG welded aluminum construction, and CSF "B-Tube" technology, this radiator is the perfect choice for you S85 cooling system overhaul.
Bav Auto Angled Hose Pinch Plier Set - 2pc
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Bav Auto Tools - Corporate Logo
T#:580379
Part#: B8800058
In Stock
Sale - Save 25% $ 32.99

This product was last offered at the strikethrough price on
05-03-2026

$ 24.74 USD
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Sale - Save 25%
$ 32.99

This product was last offered at the strikethrough price on
05-03-2026

$ 24.74 USD
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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.
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CSF OE Style Radiator - BMW E60/E61 E63/64 E65/66 BMW
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CSF - Corporate Logo
T#:554017
Part#: 3450
Ships in 3 Business Days
$ 235.00 USD
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$ 235.00 USD
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This is a factory original style radiator from CSF and will fit perfectly into the stock location. Cooling will be identical to what your car came with originally. A great replacement with all the proper connections and in all of the proper locations.
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CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
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Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 3 Business Days
New Item
$ 499.00 USD
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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