What causes trouble code 1226 on a BMW 318i ? What are the possible ways to repair ? Thanx
Jan 25, 2013 at 4:52 PM
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BLAZE45
✓Experienced Mechanic
380 POSTS
It appears to be the #2 knock sensor. By purchasing a new one and installing it, assuming the sensor itself is bad should fix the problem. The sensors appear to be located on the front of the engine. Here is a walkthrough on how to take care of the problem.