Helical Limited Slip Differential for use with 
 
 
 
  
E39 Manual - 520d, 525i, 528i, 530i, 535i, Alpina B10 3.2 (with 2.93:1 final drive), Alpina B10 3.3 
  
E39 Auto - 525d, 535i
  
E46 Manual - 320d (with std 2.79 ratio), 323i, 328i, 330i, 330xd
  
E46 Auto - 320d, 328i, 330xd
  
E53 Manual Rear Diff - X5 3.0d
  
E60 Manual - 520d, 530i
  
E60 Auto - 525d (after 03/2007)
  
E81 Manual - 118d
  
E82 Manual - 120d
  
E83 Manual Rear Axle - X3 3.0d
  
E85 Manual - Z4 2.2i, Z4 3.0i
  
E85 SMG - Z4 3.0i
  
E87 Manual - 116d, 120d
  
E87 Auto - 120d (up to 01/2007)
  
E90 Manual - 318d, 320d (with final drives 7566218, 7566274), 325d, 330d, 325i (with final drive 7566172)
  
E90 Auto - 318d, 320d, 325d, 330d, 330dx
  
E92 Manual - 320d, 325d, 330d, 325i (with final drive 7519942)
  
E92 Auto - 320d, 325d, 330d, 330dx
  
F25 X3 SDrive 20d, Rear Axle
 
 
 
 
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