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E30 M20 Evap Fuel Tank Breather Valve Replacement Tips

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April 16, 2023

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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E30 M20 often missed important part of a timing belt job (intermediate shaft sprocket gear)

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March 8, 2023
E30 M20 often missed important part of a timing belt job (intermediate shaft sprocket gear)

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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Sound insulation (Jute) for aftermarket E30 underpanels

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August 14, 2022

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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Vacuum leak locations on E30 throttle body (M20)

2
March 1, 2022

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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Modernized E30 Digitized Air Flow Meter (M20 AFM)

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August 29, 2023

Many E30 owners don’t realize that the airflow meter in their cars is a wear item. Though it has...
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BMW Radio CM5905 and CM5907 Alpine Radio Code Jumpers

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August 29, 2023

It only takes 2 screws to remove the bottom panel of a CM5905 or CM5907 Radio. There you will...
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E30 V-belt drive belt tightening by Torque Spec

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August 29, 2023

Few individuals have a v-belt tension gauge, but it’s important to understand that proper tightness can be achieved using...
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Original E30 German Accessories Catalogue with Special Equipment Pricing

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August 23, 2023

  SONDERAUSSTATTUNG Preis in DM ohne 14% MwSt. Preis in DM inkl. 14% MwSt. LIMOUSINE CABRIO TOURING 316i 318i...
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