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Old 06-29-2012, 11:15 AM   #33
smooth1
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Join Date: Nov 2005
Location: Phoenix
Posts: 269
My Ride: BMW FTW
Quote:
Originally Posted by alexxander.foster View Post
Also, I noticed that the secondary air pump already has a pin assigned to it on Module 4 pin 3. For the Module 4 connection, both the MS42 and MS43 already match up so no modifications need to be made. But for some reason theres a second connector going to the secondary air pump on module 3 pin 52, which the MS43 requires. wtf...
The MS43 DME has two outputs for this, which might be what you're talking about for the second pin assignment. One is for the secondary air pump and one is for the secondary air valve. These outputs are only used during warmup until about 48.3C (119F).
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