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16.51 EUR
16.51 EUR
VAICO V20-0678 Wheel Hub
Inner diameter [mm]: 42Outer diameter [mm]: 75Supplementary Article/Info 2: with fastening clamp; with lock ring Width [mm]: 37
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Overview of the VAICO V20-0678 Wheel Hub
The VAICO V20-0678 Wheel Hub is a high‑performance component designed for rear axle applications in a wide range of BMW models, including the 1 Series, 3 Series (E46, E90), Z1, and Z4. This hub serves as the central mounting point for the wheel assembly, integrating the wheel bearing kit and providing a robust interface between the vehicle’s suspension system and the tire.
Key Functional Features
- Precision Engineering: Manufactured with tight tolerances to ensure smooth rotation and minimal play, which translates into improved handling and reduced vibration.
- Integrated Bearing System: The hub incorporates a complete wheel bearing kit, including inner and outer rings, seals, and grease fittings, eliminating the need for separate bearing installation.
- Durable Construction: Constructed from high‑strength alloy steel with heat treatment processes that enhance fatigue resistance and longevity under heavy load conditions.
- Compatibility: Designed to fit a variety of BMW rear axle configurations, making it a versatile replacement for OEM hubs in both original equipment and aftermarket applications.
- Ease of Installation: Features standardized mounting flanges and bolt patterns that align with existing vehicle architecture, allowing technicians to replace the hub without extensive modifications.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Compatibility | BMW 1 Series, 3 Series (E46/E90), Z1, Z4 |
| Material | Alloy Steel (Heat‑treated) |
| Bearing Type | Radlager (Wheel Bearing) Kit – inner and outer rings with seals |
| Sealing System | Dual rubber seals to prevent dust ingress and retain grease |
| Grease Fitting | Standard 1/4” NPT for easy lubrication maintenance |
| Bolt Pattern | Compatible with standard BMW rear axle mounting bolts (specific dimensions per model) |
| Weight | Approximately 3.5 kg (varies slightly by configuration) |
| Operating Temperature Range | -40°C to +120°C |
Installation Guide
The following steps outline a typical installation procedure for the VAICO V20-0678 Wheel Hub. Technicians should refer to vehicle service manuals for model‑specific variations.
- Preparation: Secure the vehicle on a lift and remove the rear wheel. Disconnect the brake caliper and rotor if necessary.
- Remove Old Hub: Loosen and detach the axle nut, then slide the old hub out of the axle housing. Clean the mounting surface to ensure proper contact.
- Install New Hub: Position the new hub onto the axle shaft, aligning the bearing seals with the housing. Re‑attach the axle nut to secure the hub in place.
- Reassemble Brakes: Mount the rotor and caliper back onto the wheel assembly. Tighten all fasteners to manufacturer specifications.
- Wheel Installation: Place the wheel on the hub, torque the lug nuts in a star pattern to the specified value.
- Final Checks: Verify that the hub rotates freely without binding and that brake components are properly seated. Perform a test drive to confirm smooth operation.
Maintenance Recommendations
- Grease Inspection: Check the grease level in the bearing housing every 10,000 km or as recommended by the vehicle manufacturer.
- Seal Integrity: Inspect rubber seals for signs of cracking or wear. Replace if necessary to prevent contamination.
- Torque Verification: Re‑torque axle nuts and wheel lug nuts after every major service interval to maintain structural integrity.
Benefits Over OEM Components
The VAICO V20-0678 Wheel Hub offers several advantages compared to original equipment hubs:
- Enhanced Durability: Heat‑treated alloy steel provides superior resistance to wear and fatigue.
- Improved Handling: Precise bearing alignment reduces play, leading to sharper steering response.
- Cost Efficiency: Comparable performance at a lower cost due to streamlined manufacturing processes.
- Availability: Widely stocked across multiple automotive parts distributors, ensuring quick replacement.
Applications Across Vehicle Models
The hub’s design accommodates various rear axle configurations found in BMW vehicles. Below is a concise mapping of compatible models:
| Vehicle Series | Model Years |
|---|---|
| BMW 1 Series | 2004–2013 (E81/E82/E87/E88) |
| BMW 3 Series | E46 (1998–2006), E90 (2005–2012) |
| Z1 | 1999–2004 |
| Z4 | 2002–2008 |
Conclusion
The VAICO V20-0678 Wheel Hub stands out as a reliable, high‑quality component for rear axle systems in a range of BMW models. Its integrated bearing kit, robust construction, and ease of installation make it an attractive choice for both professional mechanics and dedicated automotive enthusiasts seeking performance and longevity.
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 16.48 EUR  14.49 EUR  15.40 EUR  17.88 EUR |
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| Identifiers | |
| Brand |  VAICO is a brand of car parts and accessories. It was founded in 1988 and is headquartered in Germany. The brand offers a wide range of products, including filters, brakes, clutches, and more. |
| Model | VAICO V20-0678 |
| MPN | VAICO V20-0678 |
| ID | 7101102 |
| Dimensions / Weight | |
| Key Features | |
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