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Front Lower Right Suspension Control Arm

Quality Guaranteed • Aftermarket Value • Backed by Warranty • 30 Day Return Policy

Dorman# 520-722

Replaces BMW# 31121108385

One Control Arm w/ Ball Joint Assembly
Front Lower Right

Fits the Following Applications:

1981 BMW 633CSi L6 - 3.2L (3210 CC): GAS: FI: N: M30
1981 BMW 528i L6 - 2.8L (2788 CC): GAS: FI: N: M30
1980 BMW 633CSi L6 - 3.2L (3210 CC): GAS: FI: N: M30
1980 BMW 528i L6 - 2.8L (2788 CC): GAS: FI: N: M30
1979 BMW 633CSi L6 - 3.2L (3210 CC): GAS: FI: N: M30
1979 BMW 528i L6 - 2.8L (2788 CC): GAS: FI: N: M30
1978 BMW 633CSi L6 - 3.2L (3210 CC): GAS: FI: N: M30
1978 BMW 530i L6 - 3.0L (2985 CC): GAS: FI: N: M30
1977 BMW 630CSi L6 - 3.0L (2985 CC): GAS: FI: N: M30
1977 BMW 530i L6 - 3.0L (2985 CC): GAS: FI: N: M30

Adjustment Option: Non-Adjustable
Automotive Item Type: Standard Replacement
Ball Joint Attachment Type: Pressed
Ball Joint Included: Yes
Ball Joint Installed: Yes
Ball Joint Stud Type: Threaded
Bushing Material: Rubber
Bushings Included: Yes
Control Arm Type: Casting/Forged
Grease Fittings Included: Yes
Material: Iron
Package Contents: Control Arm and Ball Joint Assembly
Package Quantity: 1
Pre-Greased: Yes
Use Location: Front Lower
Warranty: Limited Lifetime
Notes: Includes Ball Joint and Bushings; Front Right Lower

Dorman Suspension Control Arm and Ball Joint Assembly

Rigorously tested for sustained, secure performance by a team of product and quality engineers, Dorman's Control Arm & Ball Joint Assembly is designed for passenger safety. Our industry-leading evaluation process ensures a smooth ride, directional stability, and agile handling.

  • Ball joints and bushings included for a complete installation, saving time and labor (where applicable)
  • Direct replacement for a trouble-free installation
  • Steel, iron or aluminum construction ensures durability
  • Powder-coated or painted for long-lasting rust and corrosion resistance
Search Keywords: Suspension, Control, Arm, Ball, Joint, Assembly, Arms, Assemblies
Dorman Part Type Alias: Control Arm And Ball Joint Assembly - Suspension
Dorman Control Arms
Features & Benefits of Aftermarket Control Arms
  • Direct OE Replacement
  • Complete assemblies including ball joint, bushings, and new hardware when applicable (see item image)
Typical OE Failures Necessitating Replacement
  • Cracked or torn ball joint boots allow grease to escape, causing corrosion, wear and failure.
  • Loose ball joints and bushings create noise, vibration, drivability and safety issues.
  • Control arms bend due to curb impact.

Information for Buyers

Placement reference diagram
FAQ & Common Terms
  • Left & Right is the orientation when sitting in the car. Left indicates Driver's side, Right Passenger's side.
  • New Take-Off (NTO) means a quality, low-cost OEM part in like-new condition. See More »
  • New Old Stock (NOS) means a fully-functioning, still-new item which may be dusty from storage. See More »
Shipping Details
  • International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.
  • Shipping directions left in Paypal Notes will NOT be considered. Please contact us directly if you have a special request. Please note that we cannot accomodate requests such as "Leave on Porch"; such directions are better directed to your local delivery person.
  • Free Shipping, when advertised, is only for destinations within the contiguous US. All other destinations must pay additional fees.
  • Shipping Method may be changed or upgraded by request, but may involve an upcharge. We reserve the right to change to a method of comparable speed without notice. See More »
  • Handling Time may be longer than advertised for special-order items and items bound for international and non-contiguous destinations.
  • Backorders may occur. We can confirm stock any time on request. In the event of a backorder, we will contact you promptly.
Troubleshooting Problems
  • Payment Delays Unpaid item grievances are initiated within 14 days when payment has not been made. Payment may still be made after grievance is initiated, and will cancel the grievance.
  • Adjustments or Cancellations can be made without penalty as long as item has not yet shipped; just contact us!
  • Item Arrives Damaged Please preserve the package and contact us as soon as possible with a photo of the damage. See More »
  • Lost Package If you suspect your package is lost, contact us so we can investigate or send a replacement.
Quality Assurance, Returns & Warranty
  • Returns & Exchanges Accepted for any reason within 30 days for unused & unaltered products. Fees may apply.
  • To Initate a Return or Exchange, contact us BEFORE shipping & please read our full return policy: See More »
  • This Item has a Warranty: One year against manufacturer's defects. Initiate a Claim »
  • Disclaimer: We do not reimburse any installment or mechanic fees; returns and warranties cover only the value of the part itself, no associated labor.
Customer Service
  • Hours Live customer service is available Monday through Friday from 9am to 5pm EST, excluding US National Holidays.
  • Email should be directed through eBay's "Ask a Question" link. Responses within one business day.
  • Phone calls should be directed to 888-533-9119 (Toll Free).
RNB-520-722