Rear Top Mount Isolator Bush PFR57-830 BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) Analog input 1 (brown wire)

Analog input 1 (brown wire) can allow gauge to read any 0-5 volt linear output sensor

As with all Forge motorsport products we offer a no quibble lifetime guarantee on both the silicone hose and billet adaptor

Take a look at our video to see the dyno test results and an impressive 10 BHP gain

as well as improving filtration

Fitment: 5 Stud Fitments

Rear Top Mount Isolator Bush PFR57-830 BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) Analog input 1 (brown wire)Rear Top Mount Isolator Bush PFR57 830 PFR57 830 Rear Top Mount Isolator Bush is a direct replacement for the OE foam isolator, meaning that you no longer have to buy an expensive complete mount and can just replace the problematic part. It offers increased durability and performance while providing a cost effective, fit and forget solution that's a worthwhile upgrade as part of any rear suspension overhaul. OEM Part Number: 997 333 061 00 997 333 061