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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 04-09-2013, 01:48 PM   #1
Sequential Maniac
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Need some incite

Is there anything I should check for before I buy these?
M2 Stainless Steel Headers for 01-06 BMW E46 M3
Their pretty cheap but idk on how effective they'll be. Let me know what you guys think.
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Old 04-09-2013, 03:58 PM   #2
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I was looking at these also. A lot of reviews I have read said they sound raspy and very loud. Also some people had to heat the header and twist the pipe to make clearance for O2 sensors. The price is right but requires some work. I'll wait to see others opinions as well before I commit.
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Old 04-09-2013, 06:57 PM   #3
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Single flanges, crap material, crap welds, made-in-China fitment.

You're better off keeping the stock ones.
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Old 04-12-2013, 11:17 AM   #4
Blocked Out
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Any headers will sound raspy,thats the whole reason for getting headers.
Its impossible to tell about those speciefi headers if they fit or not. The flanges to the head will always fit ,but the problem is with o2 sensor bungs,some cheap headers dont clean,some do so its a bet you,re taking.
I would suggest you save some money for CSL oe headers. If you look around they can be had for as cheap as $900

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