Turbosmart BLOW OFF VALVES - BMW Dual Port_Plumb Back Kompact Kit. BMW 135i, 335i, 535i and Z4 (N54 twin turbo 3.0L) – Kompact - Manual (Page 3)

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7) Unclip the intake snorkel and remove air box by pulling it up off its rubber mounts
8) Locate the standard Bypass valves and remove their vacuum tubes off the tee piece
9) Remove the 2 standard bypass valves (BPV’s) and their plumb back hoses by rotating the grey securing clips
clockwise and pulling them out.
10) Once the standard bypass valves have been removed, rotate the grey securing clips on the charge pipe anti-
clockwise to lock the clips.
11) Install the Kompact BOV’s by lining up the notch on the inlet port with the securing clip arrow and pushing them into
the charge pipe until a click is heard. Make sure that they are secure by gently pulling on the BOV to see if it is tight.
Tee Piece
Vacuum tubes
Front BPV Rear BPV
Arrow
Notch
Arrow
Notch
Rear BPV Front BPV