(11621728983) - Exhaust Manifold Gasket (Double) - 318i/318ti/Z3 (M42/M44) & 325i/525i/M3 (M50/S50) (metal on 1 side) (4 available)

The BMW part number 11621728983 corresponds to the Asbestos-Free Exhaust Manifold Gasket manufactured by Elring . This specific dual-port gasket is widely used on classic BMW platforms, sealing the exhaust manifold to the cylinder head across several iconic 4-cylinder and 6-cylinder engines:

• M42 & M44 (4-Cylinder): Found in the 1991–1999 BMW 318i, 318is, and 318ti, as well as the Z3 1.9.
• M50 & S50 (6-Cylinder): Found in the 1992–1995 BMW 325i, 325is, 525i, and the US-spec E36 M3 (3.0L). Note: 6-cylinder engines require 3 of these dual-port gaskets in total.

• Single-Use Only: Exhaust gaskets crush down slightly to form a tight, airtight thermal seal. They should always be replaced with brand new ones every time the manifold is unbolted.
• Orientation: Install the gasket with the raised ridge / metal sealing bead facing toward the exhaust manifold (away from the smooth face of the cylinder head) to allow it to crush properly.
• Hardware: It is highly recommended to replace the copper-flanged nuts and exhaust studs at the same time, as they undergo extreme heat cycles and are prone to seizing or snapping.