Genuine OEM BMW steering wheel safety airbag, compatible with M-Sport steering wheels.
NEW ORIGINAL BMW M SPORT 5 6 7 8 X3 X4 STEERING WHEEL AIRBAG 7855723 32307855723
Compatible with a lot of BMW models, see here
www.ebay.co.uk/itm/292741634854
New, Unused Condition -- came on a custom wheel I bought but I reused my factory airbag.
Part number: 7855723 / 32307855723
Will work in any BMW with the proper M-Sport steering wheel.
These sell for considerably more than this online. $325 OBO