NBR (nitrile butadiene rubber). BMW 3 Series Petrol Coupe AWD -- E46 330xi 2000|2001|2002|2003|2004|2005|2006 2979cc 170KW 231HP M54 B30 (306S3). BMW 3 Series Petrol Convertible RWD -- E46 330Ci 2000|2001|2002|2003|2004|2005|2006 2979cc 170KW 231HP M54 B30 (306S3).
