BMW Pattern

1. This pattern should be used for most BMW vehicles. The differences within this pattern are the methods of EVAP Leak Detection. After a cold soak start, the system will test if it has a leak detection pump (LDP). If it has a Natural Vacuum Leak Detection (NVLD) or Diagnostic Module Tank Leakage (DMTL) pump, EVAP Small Leak monitor tests will run after an extended engine-off time.

2. The procedure listed pertains to the pattern shown above. NOTE: These steps can run out of order depending on the vehicle speed and engine load.