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Spark plug Bosch WR7DC for 520/4+520i all years of manufacturing, you need 4 for 1 car and for 525+528 up to 08/1976, you need 6 for 1 car | Wallothesch
Spark Plug Bosch WR-7-DC+ Bosch Super Plus WR.7.DC WR7DC 1367528 WR 7 DC | Pelican Parts
BMW 2002 2002tii 3.0cs Spark Plug Bosch WR7DC+ - rogerstii
BOSCH WR7DC+/RUS SPARK PLUG SUPER+(+1)-ALL — SAJID Auto Online
Amazon.com: Bosch Spark Plug Set WR7DC + - 129.52.86 - Set 2 Pieces - : Automotive