MMR Performance | Billet rear subframe inserts | BMW Billet coolant cap developed to enhance performance

developed to enhance performance

Limited Lifetime Warranty

When tested on the Akrapovič in-house dyno

so there is no need to remap the ECU

MMR Performance | Billet rear subframe inserts | BMW Billet coolant cap developed to enhance performanceAt PERON Automotive, we focus on upgrades that deliver real performance without unnecessary complexity. The MMR Performance Rear Subframe Bush Insert Kit is exactly thatan easy to install, high impact suspension upgrade for your BMW F Series (F2x & F3x). The factory rear subframe mounts allow for more movement than ideal, especially during hard cornering. This can lead to inconsistent handling and compromised suspension geometry. MMRs precision