This aluminum elbow, CNC machined out of 6061 aluminum, replaces OEM E30 part number 21521151697. The original is made of plastic and is known to crack, leading to interior carpet soaked with brake fluid. The CNC elbow eliminates this risk once and for all. In addition to the E30, this can also be used...
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The E30 never came with a storage tray for the spare tire. The trend started with the E36 forward. The good news is, if you are running 15″ Euroweaves; PN 71111092276 (E36/E46) fits perfectly.
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Perhaps one of the least understood components on the E30 M20 is the EVAP Fuel tank breather valve. If the valve is stuck open or if the hose has a tear, it will cause a significant vacuum leak. The green hose connects to a brass barb on the underside of the throttle body. It...
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Some vbelt brands (like Bando) like to indicate inner and outer lengths on their belts but not both. The important thing to know is that Li = inner length and La = outer length. BMW always indicates their belts in La in the ETK (without explicitly writing La or Li) For example, the 3315...
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So you’ve heard that you should change the timing belt on an M20 every 50k miles or 4 years (whichever comes first), because in case of failure the valves will hit the pistons, rocker arms will break, and you’ll be looking at a top end rebuild or a new engine. But what many people,...
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Hose clamp 9-12 mm 07129952102 Hose clamp 12-15 mm 07129952104 Hose clamp 15-19 mm 07129952107 Hose clamp 18-24 mm 07129952109 Hose clamp 23-29 mm 07129952111 Hose clamp 28-33 mm 07129952113 Hose clamp 32-38 mm 07129952115 Hose clamp 37-43 mm 07129952117 Hose clamp 42-48 mm 07129952119 Hose clamp 47-54 mm 07129952121 Hose clamp 53-60 mm...
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Eight new seat gas spring shocks covering E30, E23, E24, and E28 seats — plus a custom tool for installation. The toughest part of this job is compressing the 400 N gas springs during install, as it takes much greater force than human hands can generate. We solved that 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 throttle body elbows replace your stock elbow. The original elbow is press fit from the factory and loosens over time. Once loose, you end up with a vacuum leak — and up until these, there was no great way to solve the problem. Most people try a glob of JB...
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