Have you found a fix yet? If not and based on what you described above, sounds like you need a coolant temp sensor. There are 2 of them in the...
Not sure what you mean by s.i.m. board but the typical (and cheap) fix for these symptoms is to replace the batteries on the SI (service...
2800-3k RPM hesitation M54 motors: solutions This problem is known as "VANOS stutter." Some have had luck replacing the vanos unit and others report...
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