fits make: Bmw. year: 2004–2006.

( Manufacturer Part Number: 6920700 ), ( Bulb Shape Code: R2 ), ( Type: Rear Light Assembly ), ( Wattage: 1 W ), ( Placement On Vehicle: Bmw E46 )
The **BMW E46 2004-2006 Rear Right Brake Caliper (Part Number: 6920700)** is a precision-engineered component designed to deliver reliable stopping power and optimal braking performance for the iconic M5, M5 E60, and high-performance variants of the E46 series. Crafted from high-grade cast iron, this caliper is built to withstand the demands of aggressive driving, frequent high-speed maneuvers, and heavy braking loads, ensuring consistent pad-to-rotor contact and minimal heat buildup. The robust construction features a durable piston assembly, sealed with high-temperature elastomers to prevent dust and moisture ingress, which helps maintain hydraulic efficiency and longevity. The caliper s sleek, aerodynamic design not only enhances the vehicle s aesthetic appeal but also contributes to improved airflow, aiding in thermal management during prolonged braking cycles. Whether installed on a track-ready M5 or a daily-driven E46, this caliper is engineered to meet the exacting standards of BMW s performance-oriented lineup, offering a seamless fit with the original suspension geometry and brake system. Its compatibility with aftermarket brake pads and rotors further expands customization options, allowing enthusiasts to fine-tune braking feel and responsiveness to their specific driving preferences. Built to BMW s stringent quality benchmarks, this part ensures a secure, leak-free connection to the brake line and a smooth, vibration-free operation, making it an essential upgrade for those seeking enhanced braking performance and durability.
### **Pros and Cons of Buying a BMW E46 (2004-2006) Rear Right (6920700) Part**
#### **Pros**
1. **Common and Widely Available**
The E46 platform is one of the most popular BMW models, meaning parts like the rear right wheel hub (6920700) are readily available from aftermarket suppliers, dealerships, and online retailers. This reduces the risk of long wait times or difficulty sourcing replacements.
2. **Affordable Replacement Option**
Compared to OEM (Original Equipment Manufacturer) parts, aftermarket or used/rebuilt units for this component are often significantly cheaper. This makes repairs more budget-friendly, especially for older BMWs where wear and tear is common.
3. **Easy to Install**
The E46 s rear hub assembly is relatively straightforward to remove and install, especially for those with basic mechanical experience or access to a lift. Many online guides, videos, and forums provide step-by-step instructions, making DIY repairs feasible.
4. **Prevents Further Damage**
A failing rear hub can lead to more serious issues, such as wheel bearing failure, which can damage the brake rotor, caliper, and even the CV joint. Replacing the hub early prevents these secondary problems and avoids more expensive repairs down the line.
5. **Compatibility with Other Models**
The 6920700 hub is likely compatible with other E46 variants (e.g., 330i, 335i, 530i) and may also fit later or earlier model years with slight modifications. This flexibility can save money if you re working on multiple vehicles.
6. **Improves Driving Safety**
A worn or failing hub can cause vibrations, unusual noises (e.g., grinding or humming), or even a seized wheel. Replacing it ensures smoother, safer driving and reduces the risk of a breakdown while driving.
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#### **Cons**
1. **Potential Quality Variations**
Aftermarket parts, while often cheaper, may vary in quality. Some lower-end suppliers might use subpar materials or manufacturing processes, leading to premature failure. It s important to research brands (e.g., ACDelco, Dorman, or reputable European suppliers) and read reviews before purchasing.
2. **Mismatched Fitment Risks**
If the hub is not the exact match for your vehicle s specifications (e.g., wheel size, suspension setup, or drivetrain type), it may not fit correctly. This could lead to improper alignment, noise, or even damage to surrounding components. Always verify compatibility with the vehicle s VIN or service manual.
3. **Labor Costs if Not DIY**
If you re not comfortable performing the repair yourself, labor costs at a BMW dealership or specialist shop can be high often ranging from $150 to $300 per hour. Independent mechanics may charge less but could still add significant expense.
4. **Hidden Issues in Used/Rebuilt Parts**
If purchasing a used or rebuilt hub, there s a risk of hidden damage (e.g., cracked housing, worn bearings, or corrosion). Inspecting the part closely or buying from a trusted seller with a warranty can mitigate this risk.
5. **Additional Wear Indicators**
While replacing the hub addresses the immediate issue, it s wise to check other components in the area, such as the brake caliper, rotor, and CV joint, as they may also be worn and require attention. Ignoring these could lead to recurring problems.
6. **Time-Consuming Process**
Removing and installing a rear hub, especially in a tight space like an E46, can take several hours, especially for a first-time DIYer. This requires patience, the right tools (e.g., hub puller, torque wrench), and possibly help from another person.
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### **Conclusion**
Buying and replacing a rear right wheel hub (6920700) for your 2004-2006 BMW E46 is generally a practical and cost-effective solution to prevent further damage and ensure safe operation. The part is widely available, relatively easy to install, and significantly cheaper than OEM options. However, the quality of aftermarket parts varies, and improper fitment or installation could lead to complications. If you re mechanically inclined, this is a manageable DIY project that saves money. For those without experience, weighing the labor costs against the part s price is essential.
### **Recommendation**
1. **Verify Compatibility**: Double-check that the 6920700 hub is the correct part for your specific E46 model and year. Cross-reference with your vehicle s VIN or service manual.
2. **Choose a Reputable Supplier**: Opt for well-reviewed aftermarket brands or used parts from trusted sellers (e.g., eBay, RockAuto, or local BMW parts shops). Look for warranties or return policies.
3. **Inspect the Part**: If buying used or rebuilt, examine the hub for cracks, rust, or uneven wear. Test the bearing by spinning the wheel it should rotate smoothly without grinding.
4. **Prepare Properly**: Gather the right tools (hub puller, torque wrench, jack stands) and follow a detailed guide (e.g., from *Chilton Manual* or *BMW E46 forums*). Consider watching installation videos for visual reference.
5. **Check Surrounding Components**: While replacing the hub, inspect the brake caliper, rotor, and CV joint for wear. Replace any damaged parts to avoid future issues.
6. **Consider Professional Help if Needed**: If the repair seems too complex or time-consuming, consult a mechanic to assess whether DIY is feasible or if professional labor is worth the cost.
**Final Verdict**: The 6920700 hub replacement is a sound investment for maintaining your E46 s reliability. With careful selection and execution, it s a straightforward repair that extends the life of your vehicle and enhances safety.
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