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<p><strong>09-13 BMW F10 550i N63 4.4L V8 Bank 1 Right Engine Cylinder Head (Cylinders 1-4)</strong> — OEM replacement cylinder head for the passenger side of your F10 550i's twin-turbocharged V8 engine.</p> <p>Key specifications:</p> <ul> <li>Fits: 2009-2013 BMW 550i (F10 chassis)</li> <li>Engine: N63 4.4L twin-turbocharged V8</li> <li>Bank 1 Right, Cylinders 1-4</li> <li>Genuine OEM BMW part</li> </ul> <p>Direct OEM replacement ensures proper valve timing, compression, and turbo performance without fitment issues or performance loss.</p>
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