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Wisefab BMW E36 Rally Rear Suspension kit for E36M 210Diff

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Bolt on solution to BMW E36M3. With a Wisefab E36 Rally suspension you will achieve a better ground clearance and get more suspension travel. Which is crucial for rally where more grip and speed is needed. You can upgrade your Wisefab E36 rally kit with a bigger final drive like E60M final drive. This acquires only a new mounting adapter and can be purchased separately from the kit. There is also room for bigger half shafts.

BMW E36 Complete Rear Axle for Rally

  • The main idea with Wisefab axle is to have better kinematics for long stroke and soft suspension and therefore more rear grip, especially side grip in the corners on throttle. Some kinematic differences are less rollcentre migration, good camber gain at ride height, but smaller at full droop compare to original, different antisquat curve, less scrub(track change) with vertical movement, good bump steer etc.
  • Better ground clearance. Arms and links are placed higher to have less risk of hitting rocks with suspension components. That could also end up with lowered ride height with better handling and more grip.
  • BMW TYP 210 differential. The differential is a structural part of rear subframe. The bolt on for Wisefab axle is E60 M5 differential, which has a flange for bigger inner CV joint or we have a bracket to fit E32/E34 TYP 210 LSD or with different bracket E36 TYP 210 LSD differential, that was used only with 3.2liter engine.
  • 7075-T6 billet CNC machined differential cover. The rear differential cover is also structural part, therefore it is made of 7075-T6 aluminium. It is stronger and has slightly bigger oil capacity.
  • Subframe, links and arms are made of high strength steel to have required strength. Subframe, arms links and uprights are designed the way that in case of damage, the arms are the first to brake as these are the easiest to replace .
  • Motion ratio (shock stroke /wheel stroke) is 0,935, when originally it is 1,1. It would give 17% more wheel travel. For example with 200mm shock absorber stroke the Wisefab axle wheel travel is 216mm, when originally it has 184mm with the same shock absorber stroke. On spring stiffness side it means that about 35% stiffer springs should be used compared to original axle to get the same wheelrate.
  • Half shafts are equal length for ease of replacements.
  • Room for bigger CV joints. The uprights and subframe is designed to fit much stronger 120mm diameter CV joints that can be found from E60M and E90M. (CV-s and shafts are not included in the kit)
  • Tested with 260mm stroke shock absorbers, which made 280mm of wheel travel.
  • Room left for 2x62mmOD muffler tubes.
  • If wheel speed reading is important, then E90 rear wheel bearings should be used instead of E36 M3 ones and E90 wheel speed sensor, that attaches to upright.
  • All the components are zink coated.