https://www.changemytyre.com/car/up-size-car-tyres/bmw/tyre-upsize-for-bmw-4-series

Tyre Upsizing options for BMW – 4 Series

Original Size: R

Tyre upsize options in +0 Inch up for BMW 4 Series

No Option No Option No Option
No Option
No Option
No Option

Tyre upsize options in +1 Inch up for BMW 4 Series

No Option No Option No Option
No Option
No Option
No Option

Tyre upsize options in +2 Inch up for BMW 4 Series

No Option No Option No Option
No Option
No Option
No Option