Fitment after the catalyst on either side - Two required
Fitment after the catalyst on either side - Two required
Single Sensor fitment in the center before the catalyst
Not for North American (OBD2) vehicles
Fitment both before and after the catalyst - 4 required
Includes Gasket; Check valve for air pump
For vehicles with option code I661 "stricter emission-control concept"
For Vehicles with Square Style Connector
Right side fitment Cylinders 1-4
Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
03-22-2026
Acts as a non-return valve that helps regulate crankcase gases and prevents backflow into the engine or emission system
2X Entries Into Our F80 M3 Sweepstakes
Keep your crankcase pressures and emissions down with a new separator
We Price Match - Give Us A Call or Chat!
Keep your crankcase pressures and emissions down with a new separator
We Price Match - Give Us A Call or Chat!
Air-Oil Separator
We Price Match - Give Us A Call or Chat!
Featuring Left Side Vaico Porsche Oil Separator
We Price Match - Give Us A Call or Chat!
Fitment after the catalyst on either side - Two required
Left side fitment
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-07-2026
Left side fitment - Includes seals and hardware
We Price Match - Give Us A Call or Chat!