For X1 F48 F49 (2016-2019). For Mini F55 (09/2013 — 12/2019). For BMW 1 Series 2 Series X1 X3 Mini Models Gear Lever Spring. Type:Gear Lever Spring. 1 x 5Pcs Gear Lever Spring. Error Code: 420106, it is because the torsion spring broken, so you just need replace the broken torsion spring to solve the problem.