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Hub Assembly
This photo shows the same type of part you'll receive. Since each used part has its own wear and scratches, yours may look slightly different. Check the product notes for details about the condition of this specific part.

2019 - 2024 BMW Z4 Hub Assembly - Front Rear (OEM)

Only 1 left in stock
$148.95

ℹ️ Product Notes

This is a used part. This is a rear hub assembly. It is a bolt-on hub. This part fits both the front and rear of the vehicle.

Fits front or rear positions depending on model. This is a bolt-on assembly. Check your old part's bolt pattern to ensure a match.
Condition: Excellent (A)
Like new, minimal to no wear
44,914 miles
Odometer reading when part was removed
See Other BMW Z4 Hub Assemblies
SKU #
6370325-08616-835

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

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Vehicle Fitment Guide

This part fits the following vehicles:

BMW
Z4 2019-2024 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
M40i Convertible 2019 - 2024 L6 3.0L Turbo RWD | Automatic | Fits rear position
sDrive20i M Sport Convertible 2019 - 2020 L4 2.0L Turbo RWD | Automatic | Fits rear position
sDrive20i Sport Line Convertible 2019 - 2020 L4 2.0L Turbo RWD | Automatic | Fits rear position
sDrive30i Convertible 2019 - 2024 L4 2.0L Turbo RWD | Automatic | Fits rear position
M40i First Edition Convertible 2020 - 2021 L6 3.0L Turbo RWD | Automatic | Fits rear position
sDrive M40i Convertible 2020 - 2021 L6 3.0L Turbo RWD | Automatic | Fits rear position
sDrive20i Convertible 2021 - 2023 L4 2.0L Turbo RWD | Automatic | Fits rear position
2022

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs of a Failing Hub Assembly

  • A grinding or humming noise coming from the wheel area, especially when turning.
  • A clicking or popping sound when accelerating or decelerating.
  • Excessive play or looseness in the wheel.
  • Uneven tire wear.
  • ABS (Anti-lock Braking System) light illuminated on the dashboard.
  • Vibration felt in the steering wheel or floorboard.

Testing the Hub Assembly

  1. Visual Inspection: Check for any visible damage, such as cracks, rust, or leaks.
  2. Wheel Play Test: Lift the vehicle and try to rock the wheel back and forth. Excessive play indicates a worn hub assembly.
  3. Spin Test: Spin the wheel and listen for any unusual noises, such as grinding or clicking.
  4. ABS Sensor Test: Use a scan tool to check the ABS sensor signal. An erratic or absent signal can indicate a problem with the hub assembly's sensor.

Common Failure Causes

  • Normal wear and tear due to age and mileage.
  • Impact damage from potholes or accidents.
  • Contamination from water, dirt, or debris.
  • Improper installation or tightening of the hub assembly.
  • Lack of lubrication.

Buyer's Checklist

What to Look For When Buying

  • Ensure the hub assembly is compatible with your vehicle's year, make, and model.
  • Check the condition of the wheel studs for any damage or wear.
  • Inspect the ABS sensor (if applicable) for any cracks or damage.
  • Look for a hub assembly that meets or exceeds OE specifications.

Quality Indicators

  • High-quality bearings and seals.
  • Durable construction and materials.
  • Proper machining and finishing.
  • Thorough testing and inspection.

What's Typically Included

  • The hub assembly itself.
  • Wheel studs (already installed).
  • ABS sensor (if applicable, may be pre-installed or separate).
  • Sometimes a new axle nut.

Installation Overview

Difficulty Level and Estimated Time

  • Difficulty: Intermediate
  • Estimated Time: 1-3 hours per wheel

Special Tools Needed

  • Jack and jack stands
  • Wheel chocks
  • Socket set and wrench set
  • Torque wrench
  • Hammer
  • Punch or chisel
  • Hub puller (may be required)
  • Penetrating oil

Critical Steps and Tips

  1. Loosen the lug nuts before lifting the vehicle.
  2. Secure the vehicle on jack stands.
  3. Remove the wheel.
  4. Disconnect the ABS sensor (if applicable).
  5. Remove the brake caliper and rotor.
  6. Remove the axle nut.
  7. Use a hub puller to remove the hub assembly from the spindle (if necessary).
  8. Install the new hub assembly.
  9. Torque the axle nut to the manufacturer's specifications.
10. Reinstall the brake rotor and caliper. 11. Reconnect the ABS sensor. 12. Reinstall the wheel. 13. Lower the vehicle and torque the lug nuts to the manufacturer's specifications.

DIY or Professional Installation?

  • DIY is possible for mechanically inclined individuals with the proper tools and experience. However, professional installation is recommended for those who are not comfortable working on their vehicle's braking system.

Buying Options

Here's a comparison of your hub assembly options:

| Feature | Used OEM Used OEM:

  • Pros:
  • Genuine factory parts.
  • Tested and inspected for quality.
  • Significantly lower prices compared to new parts.
  • Environmentally friendly by reusing existing components.
  • Cons:
  • May have some cosmetic imperfections.
  • Shorter lifespan compared to new parts (but still reliable).

Refurbished OEM:

  • Pros:
  • Factory parts professionally restored.
  • Often include new components.
  • A good balance of price and quality.
  • Cons:
  • Can be slightly more expensive than used OEM.

New Aftermarket:

  • Pros:
  • Brand new parts.
  • Built to OE specifications.
  • Widely available.
  • Cons:
  • Quality can vary depending on the brand.
  • May not last as long as OEM parts.

Typical Lifespan

  • The typical lifespan of a hub assembly is 80,000 to 120,000 miles.

Factors Affecting Longevity:

  • Driving conditions (e.g., rough roads, potholes).
  • Driving habits (e.g., aggressive driving, frequent braking).
  • Vehicle maintenance (e.g., proper lubrication, timely repairs).
  • Quality of the hub assembly.

Price Ranges

  • Used OEM: $50 - $150
  • Refurbished OEM: $80 - $200
  • New Aftermarket: $70 - $250
  • Labor Cost: $100 - $300 per wheel

Total Job Cost Estimates:

  • Used OEM: $150 - $450 per wheel
  • Refurbished OEM: $180 - $500 per wheel
  • New Aftermarket: $170 - $550 per wheel

Vehicle-Specific Notes

  • Some BMW models within this year range are known to experience premature hub assembly failure due to the design of the suspension system and the weight of the vehicle.
  • Toyota models may experience issues with the ABS sensor failing due to corrosion or damage from road debris.
  • Check for any Technical Service Bulletins (TSBs) related to hub assembly failures on your specific vehicle model.

Verification After Install

How to Confirm Proper Operation

  • Test drive the vehicle at various speeds.
  • Listen for any unusual noises, such as grinding, humming, or clicking.
  • Check for any vibrations in the steering wheel or floorboard.
  • Ensure the ABS light is not illuminated on the dashboard.

What to Look/Listen For

  • Smooth and quiet operation of the wheel.
  • No excessive play or looseness in the wheel.
  • Proper functioning of the ABS system (if applicable).

FAQ

Q: How do I know if my hub assembly is bad?
A: Common signs include a grinding or humming noise from the wheel area, especially when turning, and excessive play in the wheel.

Q: Can I replace just the wheel bearing instead of the entire hub assembly?
A: While it's sometimes possible, it's often more practical and reliable to replace the entire hub assembly, as the bearing is often integrated into the hub.

Q: Is it safe to drive with a bad hub assembly?
A: It is not recommended to drive with a bad hub assembly, as it can lead to wheel instability and potentially cause an accident.

Q: How often should I replace my hub assemblies?
A: Hub assemblies typically last 80,000 to 120,000 miles, but it's best to inspect them regularly and replace them as needed.

Q: Will a bad hub assembly affect my ABS system?
A: Yes, a faulty hub assembly can affect the ABS system, as the ABS sensor is often integrated into the hub.

Part Specifications

OEM Part Numbers:

  • BMW: 31202408656, 31206866316, 31206867256, 31206871193, 31208838134, 33406899174, 33406899175, 33416852253

Fits Years: 2019 2020 2021 2022 2023 2024

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