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BMW Cooling System Parts & Accessories for BMW X Series E70 (2007-2013)

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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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OEM Style Hose Clamps

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T#:338927

Part#: HOSE-CLAMPS

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Sale - Save 3% $ 3.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 3.87 USD

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Sale - Save 3%

$ 3.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 3.87 USD

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Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

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Bav Auto Spill-Proof Coolant / Antifreeze Funnel

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T#:580395

Part#: B8800082

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Sale - Save 15% $ 33.99

This product was last offered at the strikethrough price on
08-19-2026

$ 28.99 USD

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$ 33.99

This product was last offered at the strikethrough price on
08-19-2026

$ 28.99 USD

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Multiple adapters include to fit a variety of vehicles.

Titanium Coolant Bleeder Screw Upgrade

T#:38621407

Part#: BMS-TCBS

Back Ordered

$ 25.00 USD

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$ 25.00 USD

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Replace your fragile OEM plastic coolant bleeder screw, which is prone to cracking and failure, with a premium titanium upgrade built for strength and style under the hood. Factory plastic components weaken over time due to constant heat cycles, leading to brittleness and potential failure. Our titanium replacement delivers superior durability, being twice as strong as aluminum yet 45% lighter than steel, ensuring unmatched resilience and long-term reliability for your coolant system. More than an upgrade, it’s a must-have for engine longevity. CNC-machined from solid titanium, each screw features a laser-etched Burger Motorsports logo and is hand-burned to create unique color patterns—no two are alike. A heavy-duty replacement O-ring is included for a perfect fit.

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Bav Auto Fan Clutch Wrench - 32mm

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T#:580348

Part#: B8800019

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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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Sale - Save 20%

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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 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580397

Part#: B8800084

In Stock

Sale - Save 15% $ 146.99

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

$ 124.94 USD

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$ 146.99

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

$ 124.94 USD

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Bav Auto Angled Hose Pinch Plier Set - 2pc

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T#:580379

Part#: B8800058

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Sale - Save 25% $ 32.99

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05-03-2026

$ 24.74 USD

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$ 32.99

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$ 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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Gear Wrench Angled Hose Clip Pliers

T#:387079

Part#: KDT3977

Ships in 1 Business Day

$ 53.99 USD

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$ 53.99 USD

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This tool is a variation of our popular 3976 Flat Band Hose Clamp Pliers and features 45º jaws with swivel tips to grip at any angle and pliers that latch securely in position.

Vaico Coolant Hose - Trans Cooler to Radiator - BMW E70 X5 N52 N62 ...

We Price Match - Give Us A Call or Chat!

T#:595408

Part#: 17127537101

Ships in 2 Business Days

$ 135.99

This product was last offered at the strikethrough price on
08-13-2026

$ 55.99 USD

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$ 55.99 USD

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Returns coolant from the transmission heat exchanger to the radiator

Vaico Radiator Return Coolant Hose - BMW E70 X5 35d M57

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T#:21965996

Part#: 17127794153

Ships in 1 Business Day

$ 245.99

This product was last offered at the strikethrough price on
05-08-2026

$ 238.99 USD

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$ 238.99 USD

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Returns coolant from the engine to the radiator

Vaico Expansion Tank Coolant Hose - BMW E70 X5 35d M57

T#:41052807

Part#: 17127808117

Special Order: No Guaranteed ETA

$ 230.99

This product was last offered at the strikethrough price on
04-15-2026

$ 75.99 USD

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$ 75.99 USD

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Connects the lower expansion tank connection to the transmission heat exchanger

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