If there is one thing that is guaranteed to be broken on almost every single BMW E46 out there, it has got to be the windshield cowl. This is the rubber molding that sits at the base of the windshield. This rubber molding will get brittle from sun exposure over time and will eventually crack and break apart. If your E46 doesn’t have this problem, it has either been replaced recently, or it is only a matter of time before it happens.