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Hi Moe, thanks for initiating contact. When installing new catalytic converters on your 2002 BMW 530i, it's a good idea to also replace the oxygen sensors. Click on the link below to choose among the options we have available (3 pages). Choose only those with the "Guaranteed to Fit" badge and order while supplies last. I hope this helps and enjoy shopping! https://www.carparts.com/search?q=oxygen_sensor&vehicle[cylinders]=6&vehicle[liter]=3%2E0&vehicle[submodel]=Base&vehicle[model]=530i&vehicle[make]=BMW&vehicle[year]=2002&can=CPGG4850_CSQA_20240814

Hi Moe, thanks for initiating contact. Yes, these Federal emission converters address both Bank 1 and Bank 2 of the engine. Check the Vehicle Emission Control Information sticker, usually found underneath the hood, to see if it matches the emission control specifications. Federal emissions (48-state) stickers will simply say, "This vehicle conforms to U.S. EPA regulations," whereas California-emissions (50-state, CARB) vehicles will say, "This vehicle conforms to U.S. EPA and the State of California regulations." If everything checks out, click the link below to order directly and take advantage of our current discounts and limited supply. Happy shopping! https://www.carparts.com/catalytic-converter/evan-fischer/set-repb960301?can=CPGG4850_CSQA_20240814

Hi Bob, thank you for reaching out. No, they do not come with heat shields and we do not have that kind of warranty for these converters. Have a good one!

Hi Carlos, thank you for reaching out. We do not have the information regarding the exact size of the bolt holes for this item. The measurement is similar to the original part, and the fitment selection is guaranteed by simply entering the complete vehicle information. You can use this link to go back to the item page and continue the order: https://www.carparts.com/catalytic-converter/evan-fischer/set-repb960301?can=CPAP3648_20220406 Happy shopping.