O2 Extension Kit 2009 CTS-V ['E90 3 Series' short-circuit proof and reverse polarity

short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use

9 Liter A4LD

The wheel's 0mm offset helps maintain a balanced stance

this protective film provides an optically clear barrier that shields your lights from scratches

O2 Extension Kit 2009 CTS-V ['E90 3 Series' short-circuit proof and reverse polarityO2 Extension Kit 2009 CTS V 2) 12" Front Extension Harness (4 Pin) 2) 18" Rear Extension Harness (4 pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.