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Standard Ignition ALS443 Tire Pressure Monitoring System Sensor - Rear or Rear Left
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.
| Brand | Standard Ignition |
| Part Number | ALS443 |
| Connector Gender | Female |
| Connector Shape | Round |
| Harness Length - inches | 42 |
| Harness Length - mm | 1070 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Pin |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | BMW | Z8 | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2003 | BMW | Z8 | Rear | |
| 2002 | BMW | Z8 | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2002 | BMW | Z8 | Rear | |
| 2001 | BMW | 740i | Rear | |
| 2001 | BMW | 740iL | Rear | |
| 2001 | BMW | 750iL | Rear | |
| 2001 | BMW | Z8 | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2001 | BMW | Z8 | Rear | |
| 2000 | BMW | 740i | Rear | |
| 2000 | BMW | 740iL | Rear | |
| 2000 | BMW | 750iL | Rear | |
| 2000 | BMW | Z8 | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2000 | BMW | Z8 | Rear | |
| 1999 | BMW | 750iL | Rear |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.