New Head Gasket Set For 1996-1999 BMW 323is 328is 528i Z3 2.5L 2.8L 11121427826. The Warranty does not cover shipping, installation, labor, towing, rentals, storage, legal fees, lost wages, or any other incidental fees. This is Aftermarket Replacement Parts. Comes with 90 days warranty. It is Buyer's responsibility to make sure the parts purchased here is the correct part. Buyers must confirm the fitment with the dealer or other reliance sources of their choice prior to making the purchase. This step is crucial as it eliminates the hassle of shipping and returning incorrect parts. Your Vin (Vehicle Identification Number) can be found on a sticker of your driver-side door frame or near the car engine. Please use the VIN to obtain the original part no from your local dealer and make sure it matches the part no listed here in the listing for proper fitment!