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BMW Cooling System Parts & Accessories for BMW 3 Series E91 (2006-2012)

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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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Turner Heavy Duty Aluminum Expansion Tank Kit - E8X E9X N20/N52/N54 ...

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T#:12806793

Part#: 008378LA02

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Our Turner Motorsport's full aluminum expansion tank was designed and engineered in house to help with the weak point in your N52/N54 cooling system. The coolant expansion tank goes through heat cycles over and over again from regular driving, it is important that your expansion tank is doing its job to retain coolant to keep your engine operating temperatures down and keep your engine bay clean. Not only is this a major upgrade but also a great maintenance item to replace. Our expansion tank was designed to fit the OEM hoses for an easy install and comes with all the upgraded items you will need for a clean install

If your BMW needs a new expansion tank, make sure this is the last expansion tank you ever need to buy. Our coolant expansion tank has a full aluminum construction and wrinkle black powder coat for durability. Expansion tank kit comes with all the accessories you need to replace your expansion tank once, and never have to worry about it again.

Product Features:

Maintains stock coolant capacity and expansion volume
Designed to maintain OE coolant elevation, preventing air pockets
Baffled tank ensures that air pockets cannot be introduced during aggressive driving and provides accurate coolant level reading
Carefully designed bleed passage prevents the introduction of air as the engine cools
Turner engraved internal fill level
TIG welded 5052 aluminum construction
All bungs are machined to fit factory hose ends
Kit contents:

Turner Aluminum Expansion Tank
Coolant level sensor
Expansion tank cap
Heavy duty bleeder screw
Flared coolant pressure release line
Hardware for installation

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OEM Style Hose Clamps

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T#:338927

Part#: HOSE-CLAMPS

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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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Thermostat

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T#:15511826

Part#: 11537549476

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Overheating your N52 or N54 engine can be detrimental to the longevity of your engine. We also recommend replacing your hardware 07119903851 x2

Expansion Tank Vent Hose

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T#:30729012

Part#: 17127618510

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Coolant Hose - Priced Each

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T#:30729023

Part#: 17127540020

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Radiator Hose

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T#:5649971

Part#: 64216951946

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Connects from the top side of the radiator to the expansion tank. Often an overlooked maintenance part.

Radiator Hose - Upper

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T#:38621422

Part#: 17127531579

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Radiator Hose - Lower

Lower

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T#:30729025

Part#: 17127531581

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Lower Cooling Hose - 17117524710

For vehicles with automatic transmission only

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T#:36913374

Part#: 17117524710

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This hose connects to the lower coolant pipe on the passenger side of vehicles equipped with automatic transmissions.

Coolant Hose Assembly

For manual transmission models only

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T#:30729020

Part#: 17127548223

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Bremmen Auxiliary Fan Temperature Switch - E46 E39 E9X E60 E70 E53 ...

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T#:640141

Part#: 13621433077

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The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary

Coolant Expansion Tank Cap

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T#:36032339

Part#: 17117639020

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Coolant Inlet Pipe

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T#:36032354

Part#: 11537516414

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Bremmen Parts O-Ring

Found at the flange end of the upper thermostat hose

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T#:399143

Part#: 11537545278

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Seals your cooling system

Water Pipe

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T#:39295542

Part#: 11537545890

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Bremmen Parts Coolant Hose - E9X N52

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T#:38621425

Part#: 11537521049

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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. Replace it at the first sign of wear to keep your coolant in your engine.

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Water Pump Bolt

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T#:15478736

Part#: 11 510392553

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Secures the water pump in place.

Radiator Hose - Lower

For N52 engines only

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T#:53008808

Part#: 17127564478

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Coolant Expansion Tank - With Cap

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T#:55497428

Part#: 17137640514

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$ 69.99 USD

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