<p>This used BMW brake hose / line, OEM part number 6853744, is a genuine factory component removed from a donor vehicle. Also known as a brake line, it fits the left and right rear positions and supersedes numbers 6887450, 6788437, and 6776293. It carries hydraulic brake fluid to the caliper; a failing line can cause fluid leaks or a spongy brake pedal, compromising stopping performance.</p><p><strong>Fits:</strong> BMW X5 (2007-2017), BMW X6 (2008-2017)</p><p><strong>OEM part number:</strong> 6853744. <strong>Also replaces / interchanges with:</strong> 6887450, 6788437, 6776293.</p><p><strong>Condition:</strong> Used OEM, pulled in-house from a donor vehicle scanned with factory diagnostic tools; tested where possible, with per-part condition notes. 30-day returns.</p>