• Home
• Online Catalog
• Customer Service
• View Cart

Search our online catalytic converter catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured BMW 525i Catalytic Converter parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day. They are available for the following BMW 525i years: 95, 94, 93, 92, 91, 90, 89, 1995, 1994, 1993, 1992, 1991, 1990, 1989. This part is also sometimes called BMW 525i Exhaust Converters. We stock catalytic converter parts for most BMW models including 740iL, 328i, 318i, 325i, 540i, 535is, 528e, 740i, 325is, 325es, 635CSi, 735i, 325e, 528i, 323i, M3, Z3, 318is, 535i and 750iL.

We stock these Catalytic Converter brands for the BMW 525i: Bosal, A & B and DEC.

Image is not vehicle specific 92 1992 BMW 525i Catalytic Converter Bosal Not Legal in California Retail Price: $346.04 Your Price: $311.75 Out of Stock Part Number: W0133-1789763 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Detailed Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were a introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. -- To receive a one year warranty, customer must fill out the warranty card and return to Bosal. #BOSALWAR/CAT Product Remark: Not Legal in California Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  1992 BMW 525i

Image is not vehicle specific 95 1995 BMW 525i Catalytic Converter A & B Not Legal in California - Sedan Retail Price: $533.63 Your Price: $480.75 Quantity: Part Number: W0133-1663387 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Body •  1995 BMW 525i Sedan

Image is not vehicle specific 94 1994 BMW 525i Catalytic Converter Bosal Not Legal in California - Sedan Retail Price: $346.04 Your Price: $311.75 Out of Stock Part Number: W0133-1789763 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Detailed Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were a introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. -- To receive a one year warranty, customer must fill out the warranty card and return to Bosal. #BOSALWAR/CAT Product Remark: Not Legal in California Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Body •  1994 BMW 525i Sedan

Image is not vehicle specific 93 1993 BMW 525i Catalytic Converter Bosal Not Legal in California - Sedan 4dr Retail Price: $346.04 Your Price: $311.75 Out of Stock Part Number: W0133-1789763 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Detailed Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were a introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. -- To receive a one year warranty, customer must fill out the warranty card and return to Bosal. #BOSALWAR/CAT Product Remark: Not Legal in California Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Body •  1993 BMW 525i Sedan 4dr

Image is not vehicle specific 92 1992 BMW 525i Catalytic Converter A & B Not Legal in California Retail Price: $533.63 Your Price: $480.75 Quantity: Part Number: W0133-1663387 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  1992 BMW 525i

Image is not vehicle specific 91 1991 BMW 525i Catalytic Converter Bosal Not Legal in California - Sedan Retail Price: $346.04 Your Price: $311.75 Out of Stock Part Number: W0133-1789763 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Detailed Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were a introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. -- To receive a one year warranty, customer must fill out the warranty card and return to Bosal. #BOSALWAR/CAT Product Remark: Not Legal in California Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Body •  1991 BMW 525i Sedan

Image is not vehicle specific 90 1990 BMW 525i Catalytic Converter DEC Not Legal in California Retail Price: $511.43 Your Price: $460.75 Quantity: Part Number: W0133-1663313 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Transmission •  1990 BMW 525i Automatic

Image is not vehicle specific 89 1989 BMW 525i Catalytic Converter DEC Not Legal in California Retail Price: $511.43 Your Price: $460.75 Quantity: Part Number: W0133-1663313 Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Transmission •  1989 BMW 525i Automatic