Helical Limited Slip Differential for use with 


  • E21 315, 316, 318
  • E21 320i
  • E21 323i without OE LSD
  • E30 318i and 318is
  • E36 316i, 318ti
  • E36 318is, 320i
  • E53 X5 4.4i Auto Front diff
  • E53 X5 4.6is Front diff
  • E83 X3 3.0d Front Axle
  • E83 X3 3.0sd Front Axle
  • Z3 1.9 Manual
  • Z3 2.0 Manual


The advantages of the Blackline Helical LSD include:


  • Equal rotational speed to both wheels
  • Torque distributed according to traction
  • Minimal service requirements - no clutches
  • Quick reaction compared to viscous LSD setups
  • Gentle and progressive engagement, low noise
  • Easily controlled power on take-off and drifting
  • Gears and body manufactured from 8620 alloy steel
  • Direct replacement into a stock differential
  • Top quality at a competitive price

Blackline HLF021 - BMW E21,E30,E36,E53,E83,Z3 168 ATB Helical LSD

  • Suitable for E21 315, 316, 318, E21 320i, E21 323i without OE LSD, E30 318i and 318is, E36 316i, 318ti, E36 318is, 320i, E53 X5 4.4i Auto Front diff, E53 X5 4.6is Front diff, E83 X3 3.0d Front Axle, E83 X3 3.0sd Front Axle, Z3 1.9 Manual, Z3 2.0 Manual (check with us for suitibility)