Help with surging idle

[i_build]

I'm surprised. New icv fixed my surging. The one that was on it was black and aluminum and the one I purchased was specific to the vin on my engine 1996 328. It was completely aluminum and it didn't fit...

[i_build]

Exactly. Only after she is warm she starts up with the surging. I was thinking maybe warm up enrichment compensating. I wish I installed my wideband when I was welding in the o2 bung. The new iacv comes...

[i_build]

M52 b28 into an 87 325is. I smoke tested it thoroughly and there's no vacuum leaks even confirmed with a can of carb cleaner. Tried new plugs, coil packs to no avail. Swapped a spare TPS in to see if...

[i_build]

Just purchased the chip burner and some chips. I also downloaded and installed Tuner Pro along with the XDF for the red label 413 ECU. I downloaded the M3 325 stock Bin and I think I saw that they came...

[i_build]

Does anyone have any idea as to why this topic... M52B28, OBD1, 413 DME, M50 Intake, Pink top Injector... tuning... seems to be so hard to get good info on... do most just switch back to OBD2 since OBD2...

[i_build]

Yes... that's the problem. Been studying a bit on MAF scaling and a bit on the programming side for the chips that go into the 413 red label. I still have my megasquirt and 42lb delphi injectors and...

[i_build]

M52B28 from a 96 328, 413 ECU because it was switched to OBD 1, M50 Intake Manifold... with Pink top injectors.

I purchased a MAF that said it would work for a 92-95 328i so that it would...

[i_build]

Spacer was the issue having the flywheel shaved was the answer reliable starts now. Person who made the youtube video that said you can use the spacer must have been lucky as it throws off the geometry....

[i_build]

Used the stock M20 flywheel but spaced it out using the round spacer from an auto transmission before mounting the flywheel. My e30 was originally auto before I swapped it to manual years ago.... so I...