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soft start outputs
What colour wire is signal
Lambda / AFR
coolant fan
The 9 blade turbine reduces the backpressure and lowers exhaust gas temperatures
BMW M2 | M3 | M4 | M5 | M6 (S55) (S63) - RamAir Panel filter E84 X1 28i soft start outputsThe Ramair panel filter for the BMW S55 and S63 engine found in the M2 M3 M4 M5 and M6 is a must have upgrade when looking to improve the factory intake system. Designed as a direct replacement this filter can be changed in a matter of minutes on the drive by any enthusiast. Once replaced the filter will allow a better airflow allows for an increase in Performace, This serviceable item can be removed and services rather than thrown away like the OEOM