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OEM BMW and Mini Cooling Systems

11531710953 - : Engine Coolant Thermostat for BMW Image

Engine Coolant Thermostat

80 Degrees C. 525i, 1989-90. 535i. 635. 528. Convert old style, 1988-92 325i.
$46.43
MSRP $59.37
Save $12.94
21.8% Off
17128742081 - : Upper Hose for BMW Image

Upper Hose

Without M4. Center. 3.0L turbo. Auxiliary radiator. Front. M440i xDrive. 3.0L, upper. Low temp. Outer. M340i.
$85.78
MSRP $120.31
Save $34.53
28.7% Off
17127599450 - : Lower Hose for BMW Image

Lower Hose

Coupe & convertible, 3.0L, with turbo, 300 hp. X1. 35i series. 135i.
$95.92
MSRP $134.53
Save $38.61
28.7% Off
17128616524 - : Upper Hose for BMW Image

Upper Hose

2017-20. 2 series. 430i. Coupe. Without m sport package. 2017-21, main, manual trans. 230i. Primary Radiator.
Backordered
17128490262 - : Hose for BMW Image

Hose

Auxiliary Radiator. I7. Outer radiator. Without edrive50. Lower.
Backordered
11539430899 - : Thermostat Unit O-Ring for BMW Image

Thermostat Unit O-Ring

Main. Without m model, 2020-26. 2019-22. Xdrive 28i, primary, #2. 2024-26, primary, #2. M35i xdrive, primary, #2. Control valve. X2....
$6.26
MSRP $8.50
Save $2.24
26.4% Off
11539494424 - : Thermostat Unit O-Ring for BMW Image

Thermostat Unit O-Ring

$8.90
MSRP $14.33
Save $5.43
37.9% Off
11121736603 - : Thermostat Unit Bolt for BMW Image

Thermostat Unit Bolt

4.4, 4.6 & 4.8L.
$3.05
MSRP $3.79
Save $0.74
19.5% Off
11531729720 - : Engine Coolant Thermostat for BMW Image

Engine Coolant Thermostat

850. 740. 750. 530, 540. 840. 85 Degrees C.
$84.23
MSRP $107.71
Save $23.48
21.8% Off

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How Extreme Conditions Affect Your Cooling Systems

The performance and longevity of your vehicle’s engine are heavily dependent on its ability to regulate heat. High-performance engines like those found in the BMW M3 operate with incredibly tight tolerances, making the cooling system a critical frontline defense. Extreme heat or freezing temperatures put immense stress on every hose, potentially leading to pressure leaks.

Key Parts to Check in Your BMW

  1. Air Filters: Ensure your engine breathes clean air while the cooling system manages the internal thermal load.
  2. Belts, Pulleys & Brackets: Replace the serpentine belt when servicing a mechanical water pump to ensure reliable drive.
  3. Thermostats & Parts: Browse our range of housings and sensors to complete your cooling system overhaul.
  4. Hoses & Clamps: Maintain a leak-free seal with our inventory of factory-spec reinforced rubber and metal hardware.
  5. Water Pumps: Critical for circulating fluid; check our selection of mechanical and electrical pumps for your model.

The Critical Importance of Using Genuine BMW Cooling Parts

BMW and Mini engines utilize complex thermal management strategies that require precise flow rates and pressure thresholds. A genuine radiator is engineered with specific fin densities to maximize heat exchange within the cramped engine bays of modern European cars. Aftermarket components often use inferior alloys or plastic tank bonding that can fail prematurely under high-pressure conditions.

Don't let a minor leak turn into a major engine failure. To find the exact thermal components designed for your high-performance BMW M3, Reach out to us at BMW Mini Parts Solutions today.