View Single Post
      08-28-2019, 11:24 PM   #12
gjm120
Lieutenant Colonel
United_States
1030
Rep
1,808
Posts

Drives: 2013 128i
Join Date: Jan 2016
Location: East Texas

iTrader: (0)

My guess is spring codes for each basic category of car (135i, 128i sport package and 128i non-sport) are selected based on the car's weight/options. I think we all know the BMWP springs are that way.
__________________
E82 / Ver Red / Blk Boston L / BMWP Springs w/ Koni Yellows / M front control arms / M rear guide rods / AT / Sport seats & steering wheel + paddles