Honestly, we don't know how you could possibly fit a bike inside your BMW Z4. No worries though, you've come to the right place! Our BMW Z4 Bike Racks are just the hardware you need to carry your bikes. With these, you can take back your BMW's interior space for all of your journeys. Allowing you to carry your bicycles securely, these racks can carry anything from boulder hoppers to track bikes. So, browse through our selection today!