You’ve likely read in the owner’s manual or heard about the specific time (X years) and mileage (Y miles) recommendations for changing your vehicle’s coolant. But have you ever wondered why? The primary, yet often overlooked reason, is electrolysis. In the galvanic series, aluminum is more anodic compared to steel. This means aluminum will...
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Many people who restore old Alpine radios just keep taking switches from other radios; but in general, to get the best longevity, new switches should be used. The E-SWITCH TL6275BA2PQRG can be used with the use of custom 3D printed caps. To make the switch work, you will need to 3D print this cap...
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Every wondered if you could connect an OBD scanner and get useful data out of the E30? Most forum posts will say you can only get codes, but that’s just simply not true. Snap on Ultra with a BM-1B Adapter (EAA0355L74A) and DA-5 OBD 1 adapter cable (EAX0068L01A). A little older, and less expensive...
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The biggest issue in north america is that most non-dealer replacement keys for the E12,E21,E23,E24,E28 and E30 are made of brass. Over time this brass gets weakened and ends up breaking off in the lock or ignition. In Europe, there are brands like the Silca HU50AP that are made of steel. Even with shipping,...
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To replace the batteries and capacitors on a lithium battery E30 SI board you will need: Two CR14250SE-FT batteries Three 100uF/16v axial capacitors One 10uF/16v radial capacitor One 47uF/16v radial capacitor When mounting the batteries, depending on production date, the double feet may be wider than original; this can be overcome by folding in...
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  Roll up blind that fits with the 3rd light ✔ Strong earth magnet hooks as not to drill into your headliner headliner ✔   These roll up blinds are aftermarket and sized for the E30, made in Europe and fit US spec cars that have 3rd lights. It will come with two rare earth...
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Many E30 owners don’t realize that the airflow meter in their cars is a wear item. Though it has a wear profile with an exceptionally long use and time horizon, one that hasn’t been seen for decades, many E30s have now reached the point where their AFMs are beginning to fail. To determine the...
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It only takes 2 screws to remove the bottom panel of a CM5905 or CM5907 Radio. There you will find the code jumpers; these jumpers, based on how they are soldered determine the radio code. Note where the jumpers are numbers 1-6 and 1-8 for each model of radio. Solder the CM5905 jumpers like...
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Few individuals have a v-belt tension gauge, but it’s important to understand that proper tightness can be achieved using torque specifications. The recommended torque is 7-8Nm. However, many tend to overtighten. Before adjusting the star bolt, ensure that the component you’re adjusting (be it the PS pump, Alternator, or AC) is loose and can...
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https://charm.li/BMW/1987/
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