Febi 33458 Engine Coolant Level Sensor

Febi Engine Coolant Level Sensor for BMW

Monitor coolant level with the Febi 33458 engine coolant level sensor. This black sensor measures 87.0 mm in length and uses a 2-connection design for direct replacement service on select BMW applications. It is a practical choice for BMW 525i, 530i, 540i, 740iL, 750iL, 528i, and 840Ci models that require accurate coolant level monitoring.

Key Features

• Brand: Febi
• Part number: 33458
• Engine coolant level sensor for cooling system monitoring
• Black housing
• 87.0 mm overall length
• 2 electrical connections
• Cross-reference part numbers: 61 31 1 392 204, 61 31 8 360 876

Detailed Description

The Febi 33458 coolant level sensor is built for BMW cooling system applications where the reservoir level must be monitored accurately. Its 2-pin connection layout and 87.0 mm length support a direct-fit replacement approach for select BMW 5 Series, 7 Series, and 8 Series models. If you are sourcing a BMW 525i coolant level sensor, BMW 530i coolant level sensor, or a replacement for BMW 540i cooling system service, this part number provides a focused OE-style solution. The Febi 33458 also cross-references OE numbers 61 31 1 392 204 and 61 31 8 360 876 for the same application.

Compatible With

• Fits 2001-2003 BMW 525i, N/A
• Fits 2001-2003 BMW 530i, N/A
• Fits 1997-2003 BMW 540i, N/A, From Construction Year: 09/1998
• Fits 1996-2001 BMW 740iL, N/A, From Construction Year: 09/1998
• Fits 1998-2001 BMW 750iL, N/A, From Construction Year: 09/1998
• Fits 1997-2000 BMW 528i, N/A, From Construction Year: 09/1998
• Fits 1996-1997 BMW 840Ci, N/A, From Construction Year: 09/1998

What It Helps Address

• Low coolant warning light triggered by a faulty sensor
• Inaccurate coolant level readings in the expansion tank
• Intermittent coolant level warning messages
• Replacement of a worn or damaged BMW coolant level sensor
• Cooling system monitoring faults during routine maintenance

Installation Notes and Tips

Verify connector style, sensor length, and vehicle build date before installation. This part is listed for BMW models with notes requiring production from 09/1998 on certain applications, so confirm the exact build date on the vehicle before ordering. Inspect the reservoir and electrical connector for damage during replacement, and compare the removed sensor to Febi 33458 before installation.

Quality Assurance

Febi is an established aftermarket brand known for replacement parts that follow OE-style specifications and application matching. The Febi 33458 coolant level sensor is cataloged for direct fitment on the listed BMW applications and cross-references the OE part numbers shown above.