Looking for aftermarket parts to modify or upgrade your BMW 525i with programmers & chips? At Tunersports.com we carry a huge selection of the top name brand performance programmers & chip parts and accessories for your 525i.
Whether you have a 1991 or 2007 BMW 525i in Base trim we have you covered. With programmers & chips from oxygen sensors to throttle controllers we have 15 525i programmers & chip mods available. All parts have free shipping to the Continental US 48 States.
