ST Sway Bar Kit 1986-91 BMW E30 M3

Free ground shipping.

22mm front bar.

19mm 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 E30 M3 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:

• 1984-1985 BMW 318i Base L4.1766cc

  1984: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1984: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1985: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1985: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;

• 1991-1992 BMW 318i Base L4.1796cc

  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Convertible; RWD;
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Convertible; RWD;

• 1991-1992 BMW 318is Base L4.1796cc

  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter

• 1986-1988 BMW 325 Base L6.2693cc

  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;

• 1984-1987 BMW 325e Base L6.2693cc

  1984: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1984: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1985: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1985: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;
  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD;

• 1986-1987 BMW 325es Base L6.2693cc

  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1986: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter

• 1987-1992 BMW 325i Base L6.2494cc

  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Convertible; RWD;
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Convertible; RWD;
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD; 2-Door; Convertible; RWD;
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD; 2-Door; Convertible; RWD;
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Coupe; RWD; 2-Door; Convertible; RWD;
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 4-Door; Sedan; RWD; 2-Door; Convertible; RWD;

• 1987-1992 BMW 325is Base L6.2494cc

  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1987: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1992: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter

• 1988-1991 BMW M3 Base L4.2302cc

  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1988: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1989: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1990: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter 2-Door; Coupe; RWD;
  1991: X48: 3/4" rear bar diameter X38: 7/8" front bar diameter