Description This is Genuine BMW 24137508904 E53 O-Ring (Inc. X5 3.0d & X5 3.0i). Number 04 in the illustration Compatibility X5 X5 E53   (08/1999 — 09/2006) X5 3.0d / X5 3.0i Compatibility Check To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number (UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. Part Number BMW-24137508904 More Information Manufactured by BMW - Genuine BMW Performance Parts. Warranty Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers if VIN is provided during check out on compatible vehicles.