Head Gasket Questions...

So I'm going to replace my head gasket. I have a few questions.

1 will this help my rough idle?
2 will it give me anymore power?
3 what else should i replace since i will have a lot open
4 i don't think my heads are cracked but should i get the resurfaced anyway? if so, will i notice a difference in my car?

i have a 98 323is with 200k
thanks in advance!!!

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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: BMW Head Gasket Replacement

[Wayne 962]

Hi there.
1- It might help a rough idle if there were a serious head gasket problem with the engine. Most likely not.

2- Nope, replacement will not increase power unless it's fixing something that was seriously broken.

3- You might want to replace the camshaft sensor and the knock sensors - those are very difficult to reach with the manifold on.

4- Have a good, trustworthy machine shop check out the head - they should be able to tell you what it needs.

- Wayne