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Directly from the factory repair manual:
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In the world of alternators the one used on most all E30’s is quite simple and straight forward. The Bosch alternators are a a two post design, with D+ and B+ terminals. B+ (also called 30) is the larger of the two and routes through the starter, then the battery junction box and finally...
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If you’re anything like me, before jumping into a job, or while ordering parts, you want to refresh your memory by looking at the area you are going to be working on. Problem is, with an E30, getting clear pictures of the underbody or stripped back engine bay or interior is fairly difficult. Luckily...
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Near most idle issues are derived from unmetered air entering the intake past the AFM (Airflow Meter). Simplified, it means you have a hole in one of your connections, gasket matting surfaces or intake related hoses. Un-metered air is a fancy way of saying that you have additional air entering your system that the...
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The E30 was built with with a vent-free fuel cap, and it was for a reason. If you’ve ever placed your finger on the end of a straw with liquid in it, you will have found that the liquid doesn’t fall out the bottom. Similarly, the 80’s fuel system is designed with this pressure...
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Alpine CM5905, CM5907 Bulb: T1-1/4 12v 75ma (4mm) If you follow this video along until 3:12, it will be clear how to remove the bulb holder, then all you need to do is unsolder and resolder the new bulbs. Pioneer KE-91ZBM, KE-92ZBM Bulb: T1 8v 60ma (3mm)
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  Location Qty Specs Generic Sylvania BMW Comments ========================================================================================= Headlights - Sealed Beam, Low 2 35/35W H5006 H5006 63121468226 Headlights - Sealed Beam, High 2 50W H5001 H5001 63121468272 Headlights - US Ellipsoids, Lo 2 51W HB4 9006 63217160786 Headlights - US Ellipsoids, High 2 60W HB3 9005 63217160785 Headlights - Euro Ellipsoids, Low...
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Ever wondered if there is a place where you could find BMW parts that are coming out of being NLA? Good news, BMW is now running the below page with just that information! https://www.bmwgroup-classic.com/en/offers-and-services/bmw-classic-reproductions.html
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Other than a coolant leak around the heater core, most wet carpets are a byproduct of the water drains being clogged. The water has nowhere to drain and backs up and flows into where it shouldn’t; either your interior or settles and causes moisture/rust where it shouldn’t. The good news is that cleaning the...
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