Eight new seat shocks covering E30, E23, E24 and E28 seats + custom tool for installation!! The toughest part of this job is figuring out how to compress the 400N gas springs during install as its a much greater force than human hands can generate; we have solved this by making a custom tool....
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Quick reference for rubber floormats that fit the E30: OEM fitting rubber E30 floormats from an E82 The problem with any floormat in the E30 is that they tend to slide around; not a lot, and perhaps you don’t need to readjust daily, but it does get annoying. I didn’t want to make holes...
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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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These CNC booster side throttlebody elbows replaces your stock elbow. The original elbow is press fit from factory and loosens over time. Once loose, you end up getting a vacuum leak and up until these there was no great way to solve the problem. Most people either try a glob of JB weld or...
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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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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 units found in the E30.  
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When talking through E30 componentry or work to be done, its helpful to have a full visualization of the front and rear subframe assemblies.  
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Below is the coolant flow direction of all the piping and equipment on a M20 engine.
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Most publicly available fuse layouts are perfectly fine, but for those who want reassurance, the below is the layout described in the factory E30 repair manual.  
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