ABS 201138 Wheel Hubs

Overview of the ABS 201138 Wheel Hub System

The ABS 201138 Wheel Hubs represent a high‑performance, OEM‑grade component designed for the front axle of select BMW models. This hub assembly integrates a wheel bearing kit, a magnetic sensor ring, and the necessary mounting hardware to provide reliable steering, braking, and suspension performance. The system is engineered to meet or exceed the original specifications for models such as the BMW X5, X6, and various E70/E71/E72 series, ensuring seamless fitment and optimal vehicle dynamics.

Key Features

• OEM Compatibility: Matches the original equipment for BMW X5, X6, E70, E71, and E72 models with 3.0L, 4.4L, and 4.8L engines.
• Integrated ABS Sensor: The hub includes a magnetic sensor ring that works in conjunction with the vehicle’s ABS system to detect wheel speed accurately.
• Durable Bearing Assembly: Equipped with high‑strength bearings that provide smooth rotation and resist wear under heavy load conditions.
• Robust Construction: Made from high‑grade steel and treated with corrosion‑resistant coatings to withstand harsh road environments.
• Precision Fitment: Designed with exact dimensions to fit the front axle, ensuring proper alignment and balance.

Compatibility Matrix

The ABS 201138 Wheel Hubs are available in both left and right configurations, allowing for complete front axle replacement. The following table summarizes the models and engine variants that are supported:

Installation Guidelines

Installing the ABS 201138 Wheel Hubs requires careful attention to torque specifications and alignment procedures. The following steps outline a typical installation process:

1. Preparation: Secure the vehicle on a flat surface, engage the parking brake, and lift the front axle using a hydraulic jack. Support with jack stands.
2. Removal of Old Hub: Detach the wheel, remove the brake caliper and rotor if necessary, then unscrew the existing hub assembly. Note any retaining clips or fasteners that may be unique to the model.
3. Installation of New Hub: Place the new hub onto the axle, ensuring that the magnetic sensor ring aligns with the ABS module. Secure with the supplied bolts and torque to manufacturer specifications.
4. Reassembly: Reinstall the rotor, caliper, and wheel. Verify that all components are seated correctly.
5. Alignment Check: Perform a wheel alignment to maintain proper steering geometry and tire wear patterns.
6. Functional Test: Start the vehicle and monitor the ABS system for any fault codes. Verify that wheel speed sensors are reporting correctly.

Maintenance and Longevity

The ABS 201138 Wheel Hubs are engineered for long service life. Regular inspection of the bearing seals, sensor ring integrity, and bolt torque can prevent premature wear. If any component shows signs of damage—such as bearing noise, sensor misreadings, or corrosion—the hub assembly should be replaced promptly to maintain vehicle safety.

Technical Specifications

• Material: High‑strength steel with anti‑corrosion coating.
• Bearing Type: Dual‑row ball bearings with sealed grease.
• Sensor Integration: Magnetic sensor ring compatible with BMW ABS modules.
• Dimensions: Exact OEM dimensions for each supported model (refer to manufacturer’s technical drawings).
• Weight: Lightweight construction to reduce unsprung mass.

Benefits of Choosing the ABS 201138 Wheel Hubs

Opting for the ABS 201138 Wheel Hubs delivers several advantages:

• Enhanced Safety: Reliable ABS sensor integration ensures effective braking performance.
• Improved Handling: Precise bearing alignment contributes to stable steering and reduced tire wear.
• Consistent Performance: OEM‑grade materials and manufacturing processes guarantee durability under varying driving conditions.
• Seamless Fitment: Designed to match the original vehicle geometry, eliminating the need for additional modifications.

Conclusion

The ABS 201138 Wheel Hubs represent a comprehensive solution for front axle replacement on selected BMW models. With integrated ABS sensor technology, robust bearing construction, and exact OEM compatibility, these hubs provide a reliable foundation for safe and efficient vehicle operation. Whether you are restoring a classic model or maintaining a modern SUV, the ABS 201138 Wheel Hubs deliver performance that aligns with BMW’s high standards for quality and engineering excellence.