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Home >> BMW >> 1996 >> Z3 Automatic >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications - 4-CYL >> Mechanical Checks >> Engine Compression

Engine Compression

Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open. The DME master relay and/or fuel pump relay MUST be pulled out for compression test. See the ADJUSTMENTS - 4-CYL article for additional information.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 10.0:1
Compression Pressure 142-156 psi (10-11 kg/cm2 )
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