EGR Function Testing - BMW

• EGR Function Testing - BMW
  • Test 1
    • 1970-73 All Models (Ported EGR Valve)
  • Test 2
    • 1974-79 2002, 530i & 3.0Si (Dual Diaphragm EGR Valve)
  • Test 3
    • 1977-79 320i (Dual Diaphragm EGR Valve)
  • Test 4
    • 1974-79 630CSi, 633CSI & 733i (Dual Diaphragm EGR Valve)