E60/E61 HOWTO: Remove front outer PDC sensor without removing bumper/grilles - 5Series.net - Forums
NEW BMW E60 E61 520D 520I 523I 523LI SET MOUNTS PDC SENSOR REAR 51120432217 | eBay
TeileFux24 Parking Sensor PDC Car Colour for BMW 5 Series E60 E61 Including Touring with M Package M5 Front (M416 Carbon Black) : Amazon.de: Electronics & Photo