HFS-6: Setting up the fail-safe?
HFS-6 osa User Manual v4w
Page 6; right column, 3rd paragraph:
8-feet of two-core cable from the FCM is intended
for fail-safe purposes. It activates a low-power 3-
way solenoid valve to by-bass boost pressure to the
wastegate. In the event of a fail-safe activation,
it will lower the boost down to the mechanical fail-
safe setting. This option is normally intended for
use with a manual boost controller and some step
per-motor based electronics boost controller.
My question is, what if you are not running a MBC or a EBC? Boost is controlled through the DME in the BMW N54 engines. How would i go about hooking up a fail-safe?
Thanks in advance.
Tee
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OverBoostinBimmers
08 EVO X
08 E90 335i
09 E82 135i
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