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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 03-28-2005, 06:55 PM   #1 (permalink)
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deepfat is an unknown quantity at this point
I'm going to check on a '90 325iC. I have my own compression tester. Does anyone know what the normals readings should be?
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Old 03-30-2005, 11:49 AM   #2 (permalink)
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njtech is an unknown quantity at this point
142-156 psi...all cylinders should be within 10% of each other.
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Old 03-30-2005, 03:45 PM   #3 (permalink)
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why are you checking the compression? does it run bad?
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