[acdHQK713K]

Car went into limp code this morning on the freeway at cruising speeds.

2007 335i, JB3 2.0 PNP on Map 3 has been on the car for 200+ miles with no issues. Rest of the car is bone stock.

Parked the car. Came back 4 hours later and the car turned on and ran fine with no warning lights the entire way home.

Checked it out with the BT tool and found the following codes. When I checked the car the key was in the ignition, start button pressed once, but engine not physically running.

30CF:
30CF Wastegate, input signal
Error will not cause a warning light
Error is not currently present
Test conditions have been completed
Signal or value below threshold

30D0:
30D0 Wastegate 2, input signal
Error will not cause a warning light
Error is not currently present
Test conditions have been completed
Signal or value below threshold

3100:
3100 boost-pressure control, deactivation
Error will not cause a warning light
Error is not currently present
Test conditions have been completed

2AD0:
2AD0 Gear control
Error will not cause a warning light
Error is not currently present
Test conditions have been completed


So it looks like I need to check the wiring of the JB3 and that's it? Any reason I would have this problem 200 miles after it was first installed?

Thanks

[Mike@N54Tuning.com]

Wastegate signal codes are normally install related but could also indicate a physical wiring harness problem or loose connection between the JB3 and the harness. Beyond that if you need any technical support contact BMS via email.

Mike