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Sound insulation (Jute) for aftermarket E30 underpanels
How to test E30 ICV Idle control valve (M20...
Vacuum leak locations on E30 throttle body (M20)
Testing E30 alternator (E30 Not Charging)
If you’ve purchased an aftermarket underpanel for your E30, you’ve probably realized it doesnt...
This is an excerpt from the factory E30 repair manual instructing how to mechanically...
In the vast majority of cases, vacuum leaks are to blame for poor or...
In the world of alternators the one used on most all E30’s is quite...
If you’ve purchased an aftermarket underpanel for your E30, you’ve probably realized it doesnt not come with sound insulation. This sound insulation is called Jute. OEM PN 51488229734 provides for just enough insulation to do one under panel. The insulation has one sticky side and one cloth side; doubling the layers will make...
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This is an excerpt from the factory E30 repair manual instructing how to mechanically and electrically test the ICV (idle control valve) for an M20 engine.
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In the vast majority of cases, vacuum leaks are to blame for poor or inconsistent idle issues on M20 engines found in E30’s. Vacuum leaks basically mean air that is entering the engine where the air flow meter has not had a chance to meter it. Unmetered air, is unexpected air, and as such...
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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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Quick reference for rubber floormats that fit the E30: OEM fitting rubber E30 floormats from an E82 The problem...
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Below is a breakdown of early and late shifter assemblies found on the E30. Early (84-85): Late:
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Below is a quick visualization on where you can expect to find any of the 27 relays or control...
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When talking through E30 componentry or work to be done, its helpful to have a full visualization of the...
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