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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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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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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E30Zone already has a great resource and flow chart to follow along with; in part this article is to backup that great information, but also to add onto a couple things to check to quickly and effectively rule out common issues related to no start conditions. Crank no start condition: Check to see if...
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OEM injectors are pintle design; good for its time, but there have been many generational iterations of fuel injectors since. Recently BMW aligned with Bosch to release a direct replacement 14.5lb gen 3 injector that is 4 hole (disc type). 4 hole injectors provide for much better fuel atomization when compared to pintle design;...
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Fixing your AC vents so they are no longer floppy is easier than you think. All you need is: Flat head screw driver Nylon washers 20 min To remove an AC vent all you have to do is point it down until you feel it click, then with a thin screw driver carefully push...
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If you’ve been researching doing a V8 swap into an E30, you’ll quickly learn that one of the major dilemmas is how to solve the brake booster problem. With a V8 swap, there is no room for any kind of brake booster in the stock location. In the early years, the solution was to...
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Most automotive hydraulic applications use a copper or aluminum washer for sealing. The idea is that the two surfaces are near perfectly flat and all that is needed is a hint of squished copper or aluminum. A small gouge, unevenness, or slop in the mounting threads can mean the squish of a copper or...
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