We wouldn't suggest you modify your steering wheel as such modification may void or hamper your car's warranty. Moreover, we'd suggest you have a word with the service centre. [Service centre@https://www.cardekho.com/BMW/car-service-center.htm
For this, we would suggest you walk into the nearest service centres. You can click on the following link to see the details of the nearest service centres and selecting your city accordingly - Service centre. Moreover, for an idea of the prices of the spare parts, you may follow the below link - Spare Parts.