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Wahler Thermostat Kit with Housing and Gasket; 97 Degrees C | 11537509227

BMW X5, X3, 328i, 325i, 530i, 528i, 330i, Z3, 330Ci, 525i & more
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Make Sure It Fits

P/N: 11537509227 Wahler OEM FREE SHIPPING
97 Degrees C
This Wahler unit has a revised plug location from original but is functionally the same. 1 kit per car.
Cross References:
  • 11530139877
  • 11531436823
  • 11531437040
  • 432697D
  • W01331662661
  • 11537509227 is a Wahler thermostat kit with housing and gasket for BMW.
  • The thermostat on your BMW opens to allow coolant to flow through the engine and closes to stop coolant flow to maintain the optimal operating temperature of your vehicle.
  • Failure of this part generally happens in only a few ways. Either the thermostat to stick open not letting the vehicle to heat up to operating temperature, stick closed causing the engine or overheat, or leak from the hose connections or temperature sensor.
  • The Whaler thermostat is the original thermostat used by BMW and be easily replaced in under an hour by a trained BMW technician or an experienced DIYer.
    The Wahler name has been around for over 100 years and is now a subsidiary of BorgWarner. The Wahler thermostat line of high quality replacement thermostats are all designed to OE or improved specs. Whether it’s a standard drop-in thermostat, integrated thermostat with housing, or the latest electronically controlled thermostat, Wahler’s design will match your vehicle’s performance needs.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Wahler Thermostat Kit with Housing and Gasket Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

00-00 - 323Ci
99-00 - 323i E46
00-00 - 323i Sport Wagon
01-06 - 325Ci E46
01-05 - 325i
01-04 - 325i Sport Wagon
01-05 - 325xi
01-04 - 325xi Sport Wagon
00-00 - 328Ci
99-00 - 328i E46
01-06 - 330Ci E46
01-05 - 330i
01-05 - 330xi
01-04 - 525i
05-05 - 525i
For models with M54 engine code only.
01-03 - 525i Sport Wagon
99-00 - 528i
99-00 - 528iT
01-04 - 530i