<p>This is a used OEM BMW Brake Booster Vacuum Hose / Line, part number 7575774. This genuine rubber hose connects the brake booster to the engine's vacuum source, supplying the necessary vacuum pressure for power-assisted braking. When this line develops a crack or leak, you may notice a hard brake pedal or reduced braking assist. It was removed from a donor vehicle and is a direct OEM replacement for multiple BMW models with 3.0L N55 or 4.4L N63 engines.</p><p>Fits 17 models across BMW (2008–2019); full list at wolfautoparts.com.</p><p><strong>OEM part number:</strong> 7575774.</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>