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Old 11-06-2023, 07:42 PM
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should two ports be unplugged? or not

Originally Posted by X5chemist View Post
Check the three intake port covers. Depending on the year, the configuration is different. On mine, the large was cracked at several places. I'm surprised it didn't set any codes. I bought a small cap set and replaced them. The two small ones felt too loose. A zip tie was used to secure them tight.
I compared your intake photo (after flipping it rightside up) and compared it to one on the E46 forum. I'm not sure which ports should or shouldn't be plugged on my 2001 3.0i, as I've never been able to see mine, yet. Why are all three plugged on your intake?
Name:  M54 intakes with ports open and plugged.jpg
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