So much work on the e30 just for this?! Hunting idle fix and valve adjustment.
1987 bmw e30 valve adjustment and part replacement just to figure out it was a simple fix to get the idle to cooperate.
▶︎
How to Fix BMW E28 533i 633csi 733i Surging Idle Control Valve Module
▶︎
E30 Project - Fixing the Rough Idle & Broken Odometer
▶︎
1991 BMW E30 325i , idle issues, several air leaks found, FIXED 
▶︎
Tech Series EP. 1 (E30 misfire diagnosis)
▶︎
1988 BMW 325 Idle Control Valve
▶︎
How To: Adjust BMW E30 Valves
▶︎
USED BMW E30 3 Series - The common problems and should you buy one?
▶︎
Project E30 / Ep. 15 / Fixing the Rough Engine Idle
▶︎
How to Fix a Car that Idles Poorly (Rough Idle)
▶︎
BMW E30 M20 Idle Control Valve Cleaning Fix Proper Idle 1983-1991 318i 325i/s/x M3
▶︎
BMW E30 Valve Adjustment 325i/s/x In-Depth Tutorial M20B25/27 Engines Ticking Fixed
▶︎
E30 Idle Control Fix for 5 Cents
▶︎
BMW E30 throttle position switch repair TPS
▶︎
Bmw E30 3 series high idle fix
▶︎
The Japanese Technique to Clean Your EGR Valve Without Damaging Your Engine
▶︎
BMW E30 Throttle Body Restoration | BMW E30 325i Sport Restoration Project E5 S1
▶︎
How The Classic BMW E30 Was Made In Their 80s Factory | Step By Step Process
▶︎
Cleaning ICV and Throttle Body on the E30 !!!
▶︎
AFM ADJUSTMENT TO CORRECT AIR/FUEL RATIO
▶︎