fighting-start.mp3
Duration: 0.5 - 0.7 seconds
Prompt: "Boxing ring bell, clear fight start signal, round begin bell, ding ding metallic ring, wrestling match bell, clean single bell strike with slight reverb"
0:01
The car is not in position 2 (Key on, engine off), or the cable is not receiving +12V power. Step-by-Step Fix: Resolving INPA Error 159 Follow these steps in order to diagnose and fix the error. 1. Fix the COM Port Settings
Locate the file named and open it using Notepad. Use Ctrl + F to search for the word Interface .
References: EDIABAS Error Code List v6.4.7, BMW Diagnostic Standard Tools manual, and 15 years of forum threads from E46Fanatics, Bimmerfest, and M3Cutters. inpa error 159
This guide reflects community knowledge and manufacturer documentation as of 2026. Always refer to the latest BMW Standard Tools documentation for model-specific configurations.
Remember: Every professional BMW technician has faced Error 159. The difference between a frustrated beginner and a fluent diagnostician is simply working through this checklist. The car is not in position 2 (Key
Based on user reports and forums, the following are possible causes of INPA Error 159:
On older cars, the K-Line from the DME to the OBD port can have high resistance due to corroded pins. Also, the 74HC125 or 74HCT125 driver chip inside your K+DCAN cable can overheat and fail partially—passing wake-up signals but failing on high-speed data. Fix the COM Port Settings Locate the file
Software is correct, but the hardware may be failing.
Change the to COM1 (or whichever port your Ediabas installation targets). Change the Latency Timer (msec) from 16 down to 1 . Click OK to save and restart your computer. Step 3: Validate OBD.INI Configuration
