I'm looking for an Electonic Knock Sensor, Ignition Control Unit for a 1988 Audi 5000 wagon, fwd. Bosche p/n: 0227400134 VW/A p.n: 443 907 397 CKEZ If anyone has this part, or knows where I could get one, please e-mail me the information, and a cost, as well as location. TIA -Theron Massachusetts