Febi 11-12-0-621-144 Cylinder Head Bolt M12 x 1.75mm for BMW

The Febi 11-12-0-621-144 (also known as Febi part number 04432) is a precision-engineered cylinder head bolt designed for BMW vehicles. The combustion chamber above the cylinders is closed by means of the cylinder head which is attached to the engine block via the cylinder head bolts and gasket. This critical fastener ensures proper sealing and structural integrity of the cylinder head assembly under extreme operating conditions.

Technical Specifications:

• External Thread Size: M12 x 1.75mm
• Overall Length: 164mm (6.46 inches)
• Screw Length Below Head: 157mm
• Bolt Head Design: Male Hex (External Hexagon)
• Quality Grade: 10.9
• Weight: 0.12 kg (0.26 lbs)
• OEM Part Number: BMW 11 12 0 621 144

Quality and Performance:

febi only has cylinder head components in OE matching quality in its range, including cylinder head bolts. All components are exposed to extreme conditions during a car journey - mainly due to the enormous temperatures and pressures generated during the combustion of the fuel. Cylinder head bolts from febi are therefore intensively tested. This ensures reliable performance and proper torque retention in demanding engine environments.

This Febi cylinder head bolt is manufactured to strict OE specifications and provides a direct replacement for BMW original equipment. The Grade 10.9 rating indicates high tensile strength suitable for critical engine assembly applications.