FEBI BILSTEIN 21503 Süspansiyon Sistemi Bugi Kolu, AUDI A4 B5 (8D2), AUDI A4 B5 Avant (8D5), AUDI A6 C5 (4B2, 4B4), AUDI A8 D2 (4D2, 4D8), AUDI A6 C5 Avant (4B5, 4B6), AUDI ALLROAD C5 (4BH), AUDI A4 B6 (8E2), AUDI A4 B6 Avant (8E5), AUDI A4 B6 Cabrio (8H7), AUDI A4 B7 (8EC), AUDI A4 B7 Avant (8ED), AUDI A4 B7 Cabrio (8HE), VW PASSAT B5 (3B2), VW PASSAT B5 Variant (3B5), VW PASSAT B5.5 (3B3), VW PASSAT B5.5 Variant (3B6), SKODA SUPERB I (3U4) modelleri ile uyumludur.
