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Added May 18, 2020 by M3NTAL BMW N55
Newbie . Had Cobb v3 now have JB4 / Bluetooth 3.6 Not holding boost. - Throwing blow off valve machanics code Want to confirm which sorftware as my waste gate not holding . Minimal Spool all this only started once changing ECU to JB4 .
  • 98 Octane
Newbie . Had Cobb v3 now have JB4 / Bluetooth 3.6 Not holding boost. - Throwing blow off valve machanics code Want to confirm which sorftware as my waste gate not holding . Minimal Spool all this only started once changing ECU to JB4 .
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