BMW 540i 540iT M5 Control Arm with Ball Joint Front - 1ASFK01232

These replacement front lower control arms are just what you need to bring back the safety and integrity of your vehicle's suspension and steering.


  • 4 Piece Lower Control Arm with Ball Joint Kit Includes:
    • (2) - FRONT LOWER REARWARD Control Arms - LH (Driver Side) & RH (Passenger Side)
    • (2) - FRONT LOWER FORWARD Control Arms - LH (Driver Side) & RH (Passenger Side)
  • Replaces dealer part numbers: 31 12 1 092 609, 31 12 1 092 610, 31 12 1 141 961, 31 12 1 141 962, 31121092609, 31121092610, 31121141961, 31121141962
  • Complete assemblies
    • Includes ball joints & bushings
  • Direct replacements
  • Built to strict quality control standards

Worn ball joints can cause excessive front tire wear, popping or creaking in the front end, extra play in the steering system, and pose a serious safety concern. Replace loose or worn ball joints with our quality replacements.

One way to diagnose a loose, or warn ball joint, is to jack the car up, so the wheel is off of the ground, then have someone try to move the wheel in and out. While they are moving the wheel check the ball joint for play, if it is moving you probably need to replace it.

Remember whenever you are replacing any front end or steering components you should have your vehicle professionally aligned as soon as possible. This will ensure proper tracking and even tire wear.

Part Details

  • Front or Rear Location: Front
  • Location: Lower
  • Quantity: 4 Piece Set

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Vehicle Fit

Year Make Model Description
1997BMW 540i BMW 540i Front Lower Control Arm with Ball Joint 4 Piece Set (Built After 11/96 Production Date)
1998-2003BMW 540i BMW 540i Front Lower Control Arm with Ball Joint 4 Piece Set
1999-2000BMW 540iT BMW 540iT Front Lower Control Arm with Ball Joint 4 Piece Set
2000-2003BMW M5 BMW M5 Front Lower Control Arm with Ball Joint 4 Piece Set

This part replaces:

  • Moog K620119
  • Moog K620120
  • Dorman 520-939
  • Dorman 520-940
  • Dorman 520-737
  • Dorman 520-738
  • Hollander 512-58395L
  • Hollander 512-58395R
  • Hollander 512-58467L
  • Hollander 512-58467R
  • OE # 31121141961
  • OE # 31121141962
  • OE # 31121092609
  • OE # 31121092610
Part #: 1ASFK01232

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout