E8/9X & F Series BMW Wavetrac Differential Package Welded or Bolted?:Welded CNC machined in house from

CNC machined in house from Dura-Bar cast iron bar stock

At long last

Rod dimensions are 136mm center to center length

5" ID silicone hose

Fish Tuning dual cp3 controller

E8/9X & F Series BMW Wavetrac Differential Package Welded or Bolted?:Welded CNC machined in house fromAll E90 BMW applications with a welded ring gear are now able to be installed in house in 2 4 weeks depending on how quickly we have a break in CNC time to drill and thread mill the ring gear. The Wavetrac differential, stub shaft seals, ring gear bolts, and machine work is included in the package price. The oem BMW diff housing to start with must be supplied by the customer. Innovative: Patented Wavetrac design automatically improves grip in low