JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure The hoses exceed the OEM

The hoses exceed the OEM PCV piping in diameter and that flow rate is maintained throughout the entire oil catch can ensuring no excessive crankcase pressure buildup

(1) Diff brace bracket

This option is for those customers that will be using a boost referenced switch to trigger the secondary on their Stage 3 pump

JB4_B58 is CARB approved under Executive Order D-744-4 for many 2016-2018 BMW applications including the 230i

2016-2020 F32 / F33 / F36 BMW 440i including Gran Coupe and xDrive

JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure The hoses exceed the OEMProtect your JB4 or BMS Stage 1 tuner with the right enclosure for your application. Choose from our premium CNC machined billet aluminum enclosure for maximum durability, our weatherproof plastic enclosure for F and G chassis applications, or the high temperature plastic enclosure designed specifically for E chassis BMW models, all engineered to keep your tuner protected from heat, moisture, dirt, and everyday abuse. JB4 Billet Enclosure: Rugged,