BMS Downshift Blocker for BMW Type:Type A • CNC machined from billet

• CNC machined from billet aluminum

Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience

It features 100% CNC machining with zero welding for a precision fit and long life

• 2020+Subaru Legacy XT 2

For more information about the JB4PRO mobile app click here

BMS Downshift Blocker for BMW Type:Type A • CNC machined from billetExclusively for automatic BMW vehicles with the gas pedals pictured below This nifty device clips on to your gas pedal allowing you to fully depress it without triggering a transmission downshift. Extremely handy for racing situations where you need to control gear shifts manually. When drag racing launching in 2nd gear and avoiding the kick down in to 1st will dramatically improve your 60' time on street tires. For automatic and DCT vehicles only.