Looking for aftermarket parts to modify or upgrade your BMW 525i with piston rings? At Tunersports.com we carry a huge selection of the top name brand performance piston ring parts and accessories.

SHIPS FROM MANUFACTURER 08320N0MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE is one of the largest OE piston ring manufacturers in the world and leads... Mahle OE BMW M54b25 Sleeve Assembly Ring Set 2001-2005 BMW 525i Base $47.96 |

IN STOCK 8400XXWiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for ... Wiseco 84.00MM RING SET Ring Shelf Stock 1991-1995 BMW 525i Base $52.72 |
IN STOCK 8450XXWiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for ... Wiseco 84.50MM RING SET Ring Shelf Stock 1991-1995 BMW 525i Base $52.00 |
IN STOCK 8500XXWiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for ... Wiseco 85.00MM RING SET Ring Shelf Stock 1991-1995 BMW 525i Base $52.00 |