Lights dim when secondary air pump activates
Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum
Category: Technical & Model Specific Forums
Forum Name: BMW 3 Series
Forum Discription: This forum will deal with any issues on the BMW 3 Series (E21, E30, E36, E46, E90, E91 & E92)
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=29499
Printed Date: 16-April-2024 at 15:04
Topic: Lights dim when secondary air pump activates
Posted By: bjt42
Subject: Lights dim when secondary air pump activates
Date Posted: 18-April-2006 at 07:18
| The headlights and dash lights on my 00 316 Compact (E36) dim slightly when the secondary air pump is in operation. When it shuts off, they return to normal brightness. Is this an indication of a battery or alternator on the way out? The magic eye on the battery shows a dim green light. |
Replies:
Posted By: Check it out!
Date Posted: 18-April-2006 at 07:21
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check the earth lead on the altenator. on the e30's they always seem to break, and then touch the block, giving this type of issue when you use almost anything, but it doesnt stop working for ages. ------------- www.335itc.co.uk Its gonna be finished for summer!!! thats the plan!!! 
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