MMR Performance | Billet rear subframe inserts | BMW Billet coolant cap Limited Lifetime Warranty

Limited Lifetime Warranty

we take engine reliability seriously—especially when it comes to the well-known weaknesses of the OEM three-piece crank hub found in BMW’s S55 and N55 engines

handling response

Designed for vehicles that have had replacement turbochargers and downpipes added with stock connection points between the downpipes and front link pipe

Fuel system mapping for safe

MMR Performance | Billet rear subframe inserts | BMW Billet coolant cap Limited Lifetime WarrantyAt 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