Add Getrag GS5BG Transmisson Ratios for Mini R50
#39416 from Alex Ratcliffe · Rule change · TB 26-03 (2026-03 Fastrack)
In B-Spec Spec Lines, Mini Cooper Hatchback (R50) MT (02-06), change as follows:
Gear Ratios: "Midland: 4.10, 2.37, 1.56, 1.17, 1.00 Getrag: 3.308, 1.913, 1.258, 0.943, 0.806"
Final drive: "Midland: 3.51 Getrag: 4.352"
Notes: "Approved parts: Progress rear sway bar 62.0210, Mevotech lateral link CMK100003. Ride height measured from the
metal underneath the bottom of the plastic door rocker molding shall be no less than 5 inches. Vehicles originally equipped with
a Midland transmission assembly may update to a Getrag transmission assembly."