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2010 BMW M3, ECM/Inputs/Outputs Photo
Posted to the Waveform Library on 7/15/2016

This is a close up of the post-mortem analysis on the faulty power brake pressure sensor that failed from brake fluid migration into the atmospheric port shown in the image with the dust cap removed.

Intermittent DTC 27E4 - P1209 Brake Booster Vacuum sensor ...

 

car Vehicle Data

2010 BMW M3 4.0L

Engine4.0 L / 8 cyl / GAS
Trans7-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

2010 BMW M3 4.0L

Engine4.0 L / 8 cyl / GAS
Trans7-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad