BMW P3318: Ignition Coil Cylinder 7 High Input or None-Impedance

Is your scanner showing BMW P3318?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

BMW P3318: Ignition Coil Cylinder 7 High Input or None-Impedance

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$150-$300
Can I Still Drive?
:
No

What Does The BMW P3318 Code Mean?

Engine started, battery voltage must be at least 11.5v, all electrical components must be off, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must be in park and the ground.

What Are The Potential Causes Of The BMW P3318 Code?

  • Engine speed (RPM) sensor has failed
  • Camshaft Position (CMP) sensor has failed
  • Power Supply Relay is shorted to an open circuit
  • There is a malfunction in voltage supply
  • Ignition coilpack is damaged or it has failed
  • Cylinder 1 to 4 Fuel Ignition

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

BMW P3318, DTCDECODE.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published. Required fields are marked *