Upgrade your BMW engine with the Payen BT690 cylinder head gasket, a top-quality OE replacement designed for a perfect fit. Suitable for a range of models including the 3 Series (E36), 5 Series (E34 and E39), 7 Series (E38), and Z3 (E36), with engine sizes from 2.5 to 2.8, this gasket is made for durability and performance. The product comes with a manufacturer's warranty and is supplied with original packaging upon request. The part number BT691 ensures you receive the correct specification for your vehicle, compatible with reference OE/OEM numbers such as 1 726 617 and 11 12 1 726 617 from BMW, and 414630P from CORTECO. Improve your engine's seal with this high-quality performance part.