Steel roof bars to fit bmw x3 e83 2004 onwards without roof rails pair of strengthened steel roof bars roof rack to fit bmw x3 e83 2004 onwards this lightweight stylish roof rack system is tough durable and extremely easy to assemble and fit to your car description this roof rack system contains everything you need to fit a set of roof bars to your car the tough square section steel roof bars are suitable for all roof rack accessories including roof boxes bike carriers surfbo