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On average, the cost for a BMW 335xi Coolant Level Sensor Replacement is $116 with $21 for parts and $95 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2007 BMW 335xiL6-3.0L Turbo | Service typeCoolant Level Sensor Replacement | Estimate$156.93 | Shop/Dealer Price$184.92 - $229.50 |
| 2008 BMW 335xiL6-3.0L Turbo | Service typeCoolant Level Sensor Replacement | Estimate$136.93 | Shop/Dealer Price$164.95 - $209.55 |
The coolant level sensor is designed to alert the driver when the coolant level is low and to prevent overheating or damage to the engine. This aids in diagnosing leaks and other dangerous cooling system conditions.
Coolant level sensors can consist of a plastic sensor with a plastic or foam float that sits underneath the coolant reservoir cap. Or, they can be plastic sensors that plug into the radiator or other component of the cooling system.
Some vehicles are equipped with a Low Coolant or Check Coolant warning light, while others may display a picture of the vehicle with a red dot in the engine bay. This is to inform the driver that the coolant needs to be checked or that there is a fault with the sensor.
The Check Coolant warning light may seem like a nuisance, but the system is there for a reason: to inform the driver of potentially dangerous engine conditions.
The Coolant Level Sensor is verified that it needs to be replaced. The coolant is drained to be below the sensor.
The defective Coolant Level Sensor is removed by disconnecting the electrical connection and removing it from the radiator or reservoir.
The new Coolant Level Sensor is installed, connected and the coolant is refilled. Then the cooling system is purged of air.
The Coolant Level Sensor is tested for leaks after system is filled and engine is run.
The vehicle is tested to ensure proper operation of the Cooling System
If you suspect the coolant level sensor has failed, have one of our licensed mechanics come to you to diagnose the issue and replace the part. Our mechanics can determine whether the sensor float is faulty, if the sensor itself is bad, or if there is low coolant or a leak in the system.
While you may wish to ignore the beeping and warning lights in your vehicle, it is important to get a diagnosis for the problem immediately before any further damage occurs, including unwanted coolant loss, engine overheating, and other major issues.
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