HomeTire and Wheel > SensorsStandard Ignition ALS443 Tire Pressure Monitoring System Sensor - Rear or Rear Left
Part #: ALS443

Standard Ignition ALS443 Tire Pressure Monitoring System Sensor - Rear or Rear Left

Rear
⚙️ 15 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z8, 740i, 740iL, and 750iL
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Reliable TPMS Sensor for BMW 740i, 740iL, 750iL, and Z8

The Standard Ignition ALS443 Tire Pressure Monitoring System (TPMS) Sensor is designed specifically for select BMW models, including the 740i, 740iL, 750iL, and Z8. This sensor helps maintain accurate tire pressure readings to support vehicle safety and performance.

  • Compatible with BMW 740i, 740iL, 750iL, and Z8 models
  • Part number ALS443 for precise identification
  • Monitors tire pressure to alert drivers of underinflated tires
  • Direct replacement sensor for original equipment
  • Ensures compliance with tire pressure monitoring system requirements

Product Details and Functionality

The Standard Ignition ALS443 TPMS sensor is engineered to provide accurate and timely tire pressure data to the vehicle’s onboard computer. This sensor is a direct fit replacement for BMW 740i, 740iL, 750iL, and Z8 models, ensuring seamless integration without the need for modifications. By continuously monitoring tire pressure, the ALS443 helps maintain optimal tire performance, fuel efficiency, and vehicle safety.

Common Applications and Problem Resolution

  • Replaces faulty or damaged TPMS sensors on BMW 740i, 740iL, 750iL, and Z8
  • Resolves inaccurate or intermittent tire pressure warnings
  • Eliminates false low tire pressure alerts
  • Restores proper communication between tires and vehicle monitoring system
  • Supports compliance with safety regulations requiring functional TPMS

Installation Notes and Tips

Installation of the Standard Ignition ALS443 sensor requires removal of the tire from the wheel to access the valve stem. It is recommended to have the sensor installed by a professional technician to ensure proper calibration and programming with the vehicle’s TPMS system. After installation, a TPMS reset or relearn procedure may be necessary to synchronize the sensor with the vehicle’s onboard computer.

Quality Assurance and Warranty

Standard Ignition provides this ALS443 TPMS sensor with quality standards that meet or exceed OEM specifications for fit, form, and function. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberALS443
Connector GenderFemale
Connector ShapeRound
Harness Length - inches42
Harness Length - mm1070
Mounting LocationWheel
Number of Bolt Holes1
Terminal GenderMale
Terminal TypePin

This part fits 15 vehicles. Search below:

YearMakeModelPositionNotes
2003BMWZ8Rear LeftInstall sensor and follow OEM factory relearn procedure, no programming required.
2003BMWZ8Rear
2002BMWZ8Rear LeftInstall sensor and follow OEM factory relearn procedure, no programming required.
2002BMWZ8Rear
2001BMW740iRear
2001BMW740iLRear
2001BMW750iLRear
2001BMWZ8Rear LeftInstall sensor and follow OEM factory relearn procedure, no programming required.
2001BMWZ8Rear
2000BMW740iRear
2000BMW740iLRear
2000BMW750iLRear
2000BMWZ8Rear LeftInstall sensor and follow OEM factory relearn procedure, no programming required.
2000BMWZ8Rear
1999BMW750iLRear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

084-414409865945312ABS0041345200257225311205S105457123572-5385ABS553ABSD30102ARA1968SS20107V20-72-0449

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.