Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> BMW >> 2001 >> 325Ci 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

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 BASIC DIAGNOSTIC PROCEDURES article for additional information.

COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure
6-Cylinder 142-156 psi (10-11 kg/cm2 )
V8 170-199 psi (12-14 kg/cm2 )
V12 142-170 psi (10-12 kg/cm2 )
scientia non olet · About Brad's Car Manuals