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Section 9 (Engine Controls - Tests W/Codes): Introduction

WARNING: This page is about a different car, the 1995 BMW 530iT and 1995 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Some 1995 models use OBD-II diagnostics which was fully introduced for model year 1996. For further information, see BMW SELF DIAGNOSIS - 1996 article.

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).

NOTE: All voltage tests should be performed with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless specifically stated otherwise in testing procedures.