ARP Main Bolt Kits | Multiple BMW Fitments (201-5201) YMM_2017_2023_BMW_M5_VI_F90 Optimized spring length and diameter

Optimized spring length and diameter for versatile fitment

ensuring longevity and consistent venting

The mandrel-bent piping ensures consistent diameter throughout the exhaust path

This thoughtful engineering helps your BMW M3 respond more predictably to driver inputs

allowing you to make informed adjustments to optimize performance and drivability

ARP Main Bolt Kits | Multiple BMW Fitments (201-5201) YMM_2017_2023_BMW_M5_VI_F90 Optimized spring length and diameterARP Main Bolt Kits Multiple BMW Fitments (2015201) Part #: 201 5201 Overview The ARP Main Bolt Kit for BMW models is designed to provide high strength, reliable fasteners for critical engine components. Crafted with precision and durability in mind, this kit ensures your engine maintains optimal integrity under demanding conditions. Whether you're building a performance engine, restoring a stock setup, or enhancing your vehicle's reliability, this