ABS Sensor - Febi Bilstein - 48921
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eBayRear left and right FERDINAND BILSTEIN 48921 Sensor, wheel speed for BMW
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Product Information
Full details
This guide is for vehicle owners and mechanics needing a reliable replacement ABS sensor. The key benefit is ensuring your Anti-lock Braking System (ABS) functions correctly, enhancing safety. A potential caveat is the need to verify vehicle compatibility before purchase. This Febi Bilstein ABS sensor (MPN: 48921) is a high-quality, direct replacement designed for the rear axle, fitting both left and right sides. It features a 1000 mm cable length and 2 connectors.
All features
| Model Part Number | 48921 |
|---|---|
| Brand | febi bilstein |
Extended Product Information
FAQs
What is an ABS sensor?
An ABS sensor, or wheel speed sensor, monitors the rotation speed of a wheel and sends this information to the vehicle's Anti-lock Braking System (ABS) control module. This data is crucial for preventing wheel lock-up during braking.
Where is this ABS sensor located on the vehicle?
This Febi Bilstein 48921 ABS sensor is designed for the rear axle of the vehicle and can be installed on either the left or right side.
What does the 1000 mm length refer to?
The 1000 mm refers to the length of the cable attached to the ABS sensor, providing ample reach for installation and connection to the vehicle's wiring harness.
How do I know if my ABS sensor needs replacement?
Common signs include the ABS warning light illuminating on your dashboard, or the ABS system engaging unexpectedly or not at all during braking. A diagnostic scan tool can often pinpoint a faulty sensor.
Can I install this sensor myself?
Installation requires automotive mechanical knowledge and tools. If you are not experienced with brake system repairs, it is recommended to have a qualified mechanic perform the installation.
What is the part number for this sensor?
The part number for this specific Febi Bilstein ABS sensor is 48921.
Does this sensor come with mounting hardware?
This product information does not specify if mounting hardware is included. It is typically recommended to reuse the original mounting bolt or purchase a new one separately if needed.
Troubleshooting
ABS warning light remains on after installation
Ensure the sensor is correctly seated and the wiring connector is securely plugged in. Clear any existing ABS fault codes from the vehicle's ECU using a diagnostic scanner. Double-check that the correct part number was purchased and is compatible with your vehicle.
Intermittent ABS or traction control issues
Inspect the sensor's wiring harness for any damage, corrosion, or loose connections. Ensure the sensor is free from excessive dirt or debris that could interfere with its operation. A faulty sensor might still be present, even if it passed initial checks.
Sensor not recognized by the vehicle's ECU
Verify the electrical connection is clean and free of corrosion. Ensure the part is the exact replacement for your vehicle's original sensor. Some vehicle systems may require a specific reset procedure after sensor replacement.
Pros and Cons
Pros
- High-quality replacement part from a reputable brand (Febi Bilstein).
- Designed for direct fitment on the rear axle, simplifying installation.
- Versatile fitment for both left and right rear sides.
- Ensures proper functioning of the critical ABS system.
- Standardized connector type for broad compatibility with vehicle wiring harnesses.
Cons
- Requires user to verify vehicle compatibility before purchase.
- Installation may require specialized knowledge or tools.
- Only suitable for rear axle applications.
- Specific connector type might not be universal across all vehicle makes and models.
Setup, Compatibility & Care
Compatibility: Before purchasing, it is crucial to verify that this ABS sensor (Febi Bilstein 48921) is compatible with your specific vehicle make, model, and year. Check your vehicle's service manual or consult with a professional mechanic. Ensure the part number and specifications match your requirements.
Setup: Installation of an ABS sensor should ideally be performed by a qualified mechanic or individual with automotive repair experience. Typically, this involves safely lifting the vehicle, removing the wheel on the affected side, locating the old sensor, disconnecting its wiring harness, and removing the sensor (often held by a bolt). The new sensor is then installed, the wiring harness connected, and the wheel reattached. It is recommended to clear any ABS fault codes from the vehicle's computer after installation.
Care: ABS sensors are generally maintenance-free. However, they are exposed to road grime and debris. Keep the sensor and its wiring harness clean by gently wiping them with a damp cloth if accessible during routine maintenance. Avoid using high-pressure washers directly on the sensor or its connectors. Inspect the wiring for any signs of damage, such as fraying or cracking, and address them promptly.