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BMW
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2004
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645Ci Convertible (E64) V8-4.4L (N62)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Compression Check: Specifications
Compression Pressure (N62/B44)
Minimum Lift of Valvetronic
9 bar
Maximum Lift of Valvetronic
18 bar
Maximum deviation of all cylinders to each other
1.5 bar