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Home >> BMW >> 1981 >> 633CSi Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up - 6 CYL >> Compression Pressure >> Notes

Compression Pressure: Notes

NOTE: Deactivate fuel injection system by pulling off connection "V at the coil prior to compression test.

With battery fully charged, engine at normal operating temperature, throttle fully open and engine at cranking speed, compression pressure should be as follows:

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