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Standard Ignition ALS1446 ABS Wheel Speed Sensor - Front Left
Reliable ABS Wheel Speed Sensor for BMW 3 Series Models
The Standard Ignition ALS1446 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for BMW vehicles including the 318i, 325e, 325es, 325i, and M3 models. This sensor ensures proper ABS function and enhances vehicle safety by monitoring wheel rotation precisely.
- Terminal Quantity: 2
- Connector Gender: Male
- Terminal Gender: Female
- Connector Quantity: 1
- Connector Shape: Round
- Hardware Included: No
- Harness Length: 38 inches (960 mm)
- Mounting Location: Wheel
- Number of Bolt Holes: 1
- Terminal Type: Pin
Detailed Product Description
The ALS1446 ABS Wheel Speed Sensor from Standard Ignition is engineered to meet the specific requirements of BMW 3 Series vehicles such as the 318i, 325e, 325es, 325i, and M3. Featuring a 38-inch harness length and a single bolt hole mounting design, this sensor installs directly at the wheel hub to monitor rotational speed. The sensor’s round connector with a male gender and pin-type terminals ensures a secure and reliable electrical connection. With two terminals and a female terminal gender on the harness side, it integrates seamlessly with the vehicle’s ABS system. Note that hardware is not included, so existing mounting bolts should be reused or sourced separately.
Common Applications and Problem Resolution
- Restores accurate wheel speed data for ABS control modules
- Eliminates ABS warning lights caused by faulty sensors
- Improves braking performance and vehicle stability
- Prevents erratic ABS activation or failure
- Addresses sensor-related traction control issues
Installation Notes and Tips
When installing the Standard Ignition ALS1446 sensor, ensure the mounting location at the wheel hub is clean and free of debris. Verify the single bolt hole aligns properly and securely fasten the sensor using the original hardware or equivalent replacements. Connect the round male connector firmly to the vehicle harness, confirming the pin terminals are undamaged and seated correctly. Avoid twisting or stretching the 38-inch harness to prevent premature wear.
Quality Assurance and Warranty
Standard Ignition manufactures the ALS1446 ABS Wheel Speed Sensor to meet OEM specifications for fit, form, and function on BMW 3 Series models. While hardware is not included, the sensor undergoes rigorous testing to ensure reliable performance and durability. Please refer to Standard Ignition’s warranty policy for coverage details on this part number.
| Brand | Standard Ignition |
| Part Number | ALS1446 |
| Connector Gender | Male |
| Connector Shape | Round |
| Harness Length - inches | 38 |
| Harness Length - mm | 960 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Female |
| Terminal Type | Pin |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1991 | BMW | 318i | Front Left | |
| 1991 | BMW | 325i | Front Left | |
| 1991 | BMW | M3 | Front Left | |
| 1990 | BMW | 325i | Front Left | |
| 1990 | BMW | M3 | Front Left | |
| 1989 | BMW | 325i | Front Left | |
| 1989 | BMW | M3 | Front Left | |
| 1988 | BMW | 325i | Front Left | |
| 1988 | BMW | M3 | Front Left | |
| 1987 | BMW | 325e | Front Left | |
| 1987 | BMW | 325es | Front Left | |
| 1987 | BMW | 325i | Front Left | |
| 1986 | BMW | 325e | Front Left | |
| 1986 | BMW | 325es | Front Left | |
| 1985 | BMW | 318i | Front Left | |
| 1985 | BMW | 325e | Front Left | |
| 1984 | BMW | 318i | Front Left | |
| 1984 | BMW | 325e | Front Left |
* 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.