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How to Replace the Windshield Wiper and Turn Signal Relay on a BMW 3 Series

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013

Today, you will learn how to remove and replace the windshield wiper relay and the turn signal relay on a BMW 3 Series. First, get inside the vehicle and start by removing the steering wheel airbag by disconnecting the connector located at the back. Then, use a socket wrench with an extension to unscrew the steering wheel bolt to remove it, as shown in the video. Now, remove the windshield wiper and turn signal relays by disconnecting the electrical connectors. Replace and reinstall everything by following the reverse procedure!

Updated on 19 May 2026 by ScegliAuto

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by ScegliAuto

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