Emission System Application Chart

325i PCV, EEC, CAT, OS, DME, FR
325iX PCV, EEC, CAT, OS, DME, FR
525i PCV, EEC, CAT, OS, DME, FR
528e PCV, EEC, CAT, OS, DME, FR
535i PCV, EEC, CAT, OS, DME, FR
635i PCV, EEC, CAT, OS, DME, FR
735i PCV, EEC, CAT, OS, DME, FR
750i PCV, EEC, CAT, OS, DME, FR
M3 PCV, EEC, CAT, OS, DME, FR
M5 PCV, EEC, CAT, OS, DME, FR

CAT - Catalytic Converter
DME - Digital Motor Electronics (Motronic)
EEC - Evaporative Emissions Control
FR - Fillpipe Restrictor
OS - Oxygen Sensor
PCV - Positive Crankcase Ventilation