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Replacing the Alternator on the BMW 3 Series

Model: BMW Serie 3 E46 - Years 1998-2006
Part: Alternator

In this brief and simple guide, find the main instructions on how to remove and replace the alternator on the BMW 3 Series. First, open the hood of your car and start by removing the air filter box, disconnecting it from the intake hose; then disconnect the hose located above the alternator, followed by removing the serpentine belt, as shown in the video. At this point, remove the alternator screws and disconnect its electrical wiring to take it out and replace it with the new one; all that's left is to reassemble everything!

Updated on 27 June 2026 by ScegliAuto

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