What should the psi compression tester read on a BMW 1.9L 4 cylinder?
Sep 27, 2014 at 8:46 AM
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DRCRANKNWRENCH
✓Experienced Mechanic
3,380 POSTS
I only have the answer in bar. I hope it is on your compression tester. I don't have another resource. The value is, min. bar 10...11
I hope that helps you out. The value should be close for all cylinders.