Will Thule Motion XT XXL Cargo Box Fit OEM Bars of 2021 BMW X3  

Question:

Expert Reply:

The Thule Motion XT XXL roof box part # TH629906 does fit the OEM crossbars of your 2021 BMW X3 but to determine fit will allow your rear hatch to open you'll need to take one measurement. You'll need to measure from the center of your front crossbar back to the rear hatch seam. If that is more than 55 inches this will fit and allow the hatch to open.

expert reply by: Jameson C

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