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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

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 04-08-2015, 08:21 PM   #1
NicenLoW
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What headers are these?

Got a killer deal on them but don't know the brand? Maybe ebay? Thought it was odd it only had one place for an 02 on each header and some odd place on upper part of one header. Any help? Recognize?

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Old 04-08-2015, 11:17 PM   #2
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Old 04-09-2015, 03:21 AM   #3
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Please delete me - edited.
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Old 04-09-2015, 04:04 AM   #4
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delete

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Old 04-09-2015, 04:04 AM   #5
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those look like s50/52 headers to me
remove your post.
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Old 04-09-2015, 07:49 AM   #6
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They're for an S54, obviously. Beyond that, who knows.
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Old 04-09-2015, 08:46 AM   #7
NicenLoW
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What should I do with post cats? Weld in a bung or?
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Old 04-09-2015, 01:26 PM   #8
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Depends on your goals. They had better be a very high cell count cat or they're still going to throw a CEL.
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Old 04-09-2015, 03:00 PM   #9
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So just turn them off when I get it tuned?
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Old 04-09-2015, 03:01 PM   #10
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Will they still throw a code if I use a non fouler for post 02 sensors?
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Old 04-11-2015, 12:51 PM   #11
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Will they still throw a code if I use a non fouler for post 02 sensors?
Yes.
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