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All the hoses and gaskets have 1400 miles on them. Reused the manifold to brake booster hose orginaly as the new stuff does not look the same as the orginal. The one way valve looks different also.

I think I found at least part of the issue the temp switch and timer switch wires were backwards. Will have to wait until it cools down completely to see it it still has the early morning starting issues. I have several AFM so swapping them around is not an issue.

It is not the fuel pressure regulator as I changed it out.

Same car after it warmed up about 30 seconds. It is acting like it is dumping fuel in it and bogging it down.
https://www.youtube.com/watch?v=Styh5YgBou4

It cranks over but will not start. Let me see if I can make a video.
https://www.youtube.com/watch?v=j7KC3gKDEjk

Finally got back around to working on the car again.

Found a leak in the hose running to the brake buster and fixed it. Thought that would fix it but did not.

It would not crank and I had to pull the plug to the AFM to get it to go into "limp home mode" to get it to crank. I changed out the AFM ...

Will see if I can find any leaks and report back.

Where is the cold start relay on an 81 euro e12?

If the engine is cold no matter the temp out side it cranks and dies, cranks and dies. It does that about 5 times then will stay running barely and you have to let it warm up a little before you can go anywhere. Above 2000 it runs fine and after you ...

It is an e12 M535 not E28 M535. The correct one is a 13621359641. The US 528i is a 13621466113 and the US 530i is 13621362648. They are all L-Jet so they all plug in. The chart on the correct one is below. I just wanted to know what the difference is with the US one and can I use one of the US ones ...

I have an 81 M535 euro and the air flow meter is sticking. My spare AFMs are from a US 530 and a US 528. Can I use one of them or do I need to buy a Euro one? Anybody know the difference in a Euro and US AFM?