Offset Lab
Fitment

BMW F12 - 6 Series Convertible Fitment Guide

Wheel, tire, and stance recommendations for BMW F12 - 6 Series Convertible, built from Offset Lab fitment presets and factory baseline data.

Popular setup

Flush fitment

Front

20x9.5 ET25

255/35R20

Rear

20x10.5 ET35

295/30R20

Factory baseline for 640i Convertible: 20x9 ET32 / 20x10.5 ET38 on 245/35R20.

Recommendations

Trims and setup styles

Open fitment tool

Trim

640i Convertible

Factory: 20x9 ET32 / 20x10.5 ET38

245/35R20

5x120 · 72.6mm

Aggressive

Front: 21x9.5 ET22

Rear: 21x11 ET32

Tires: 265/30R21 / 305/25R21

High

Flush

Front: 20x9.5 ET25

Rear: 20x10.5 ET35

Tires: 255/35R20 / 295/30R20

Medium

OEM+

Front: 20x9 ET32

Rear: 20x10.5 ET38

Tires: 245/35R20 / 285/30R20

Low

Trim

650i Convertible

Factory: 20x9 ET32 / 20x10.5 ET38

245/35R20

5x120 · 72.6mm

Aggressive

Front: 21x9.5 ET22

Rear: 21x11 ET32

Tires: 265/30R21 / 305/25R21

High

Flush

Front: 20x9.5 ET25

Rear: 20x10.5 ET35

Tires: 255/35R20 / 295/30R20

Medium

OEM+

Front: 20x9 ET32

Rear: 20x10.5 ET38

Tires: 245/35R20 / 285/30R20

Low

Trim

M6 Convertible

Factory: 20x9 ET32 / 20x10.5 ET38

245/35R20

5x120 · 72.6mm

Aggressive

Front: 21x9.5 ET22

Rear: 21x11 ET32

Tires: 265/30R21 / 305/25R21

High

Flush

Front: 20x9.5 ET25

Rear: 20x10.5 ET35

Tires: 255/35R20 / 295/30R20

Medium

OEM+

Front: 20x9 ET32

Rear: 20x10.5 ET38

Tires: 245/35R20 / 285/30R20

Low

Fitment note

Final fitment depends on tire model, alignment, suspension height, brake clearance, body tolerance, and intended use. Test fit before committing to permanent changes.