ST Sway Bar Kit 1975-82 BMW 5/6-Series E12/E24

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28.5mm front bar.

22mm rear bar.

See fitment guide below for all applications and any special notes. 

A smart suspension upgrade project shouldn't stop after coilovers or lowering springs.

Sway bars are a perfect compliment, and a must for any good suspension upgrade project. 

ST suspension is a sister company of KW.

All of their products are engineered and manufactured to the same high standards as KW.

Made of high tensile strength spring steel.

ST sway bars reduce body roll and improve road grip and cornering.

Precision engineered to provide the best performance possible, ST sway bars are cold formed then powder coated for lifetime durability.

Kits come complete with new urethane sway bar bushings and any necessary hardware for a quick and easy installation.

Product images are example only and may not be the exact bar(s) for your car. 

The best sway bars for BMW E12 and E24 at MGC. 

Be sure to check your sway bar end links for excess play or bushing wear and replace if necessary. 

Installation instructions

Installation instructions 

Fitment Guide:

• 1979-1981 BMW 528i Base L6.2788cc

  1979: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1979: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1980: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1980: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1981: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1981: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.

• 1975-1978 BMW 530i Base L6.2985cc

  1975: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1976: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1977: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;
  1978: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 4-Door; Sedan; RWD;

• 1977-1978 BMW 630CSi Base L6.2985cc

  1977: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1977: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1978: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1978: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.

• 1978-1982 BMW 633CSi Base L6.3210cc

  1978: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1978: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1979: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1979: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1980: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1980: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1981: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1981: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.
  1982: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle. 2-Door; Coupe; RWD;
  1982: X49: 7/8" rear bar diameter X37: 1-1/8" front bar diameter J: Must use stepped rear spring perch for rear coil spring. FR: Adjustable anti sway bar at the rear axle.