Did you try just cleaning the connections with electric cleaner? The SAP valve gasket on mine was seeping oil and I think it got all over that connection.
Also, if you didn't know, our cars are finicky about only liking OE sensors/electronics. If AM sensor, that itself could be the issue.
Upcoming comedy shows: March 3 at Broadway Comedy Club, NYC, 8 p.m. March 5, Tierney's Tavern, Montclair, NJ, 7:30 p.m. See Facebook for other shows and PM me if you can make one...love to see you there!
Mangofy your E46!