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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 04-27-2009, 02:32 PM   #41
i0kr1sol
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Another nice DIY by a very good mechanic. Autobot - I PM'ed you.
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Old 05-05-2009, 04:48 PM   #42
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Do you have to put them on all four o2s
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Old 05-05-2009, 05:19 PM   #43
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Do you have to put them on all four o2s
NO! post cat sensors only. unless you want a crappy running car.
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Old 05-05-2009, 10:08 PM   #44
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what he said ^^^

also been over 1500miles no SES cars still runs fine. Spoke to Shawn at VF and the software should NOT conflict with the sim. So hopefully my kit will arrive soon
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Old 05-06-2009, 02:42 PM   #45
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Can someone please please show me better a pic of Step 9 that says "IMPORTANT CUT the black wiresfrom the o2 sensor and solder the White wire from the 02sim to harness side!" this the part that I get lost and the picture is kinda blurry. What do you do with the other end of the black wire?? can someone please post a detailed pic. I been having my o2 sim for days, but I am afraid to start the process.
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Old 05-06-2009, 03:54 PM   #46
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Originally Posted by Autobot325i View Post
what he said ^^^

also been over 1500miles no SES cars still runs fine. Spoke to Shawn at VF and the software should conflict with the sim. So hopefully my kit will arrive soon
Wait, should? Or should not conflict with the simulator?
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Old 05-06-2009, 04:00 PM   #47
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Wait, should? Or should not conflict with the simulator?
sorry fixed SHOULD NOT
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Old 05-06-2009, 04:07 PM   #48
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Are you putting on a blower?
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Old 05-06-2009, 06:44 PM   #49
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I think this is the first positive bit of info I have read that might enable me to get away with headers in California. I just need to find a way to pass the sniffer test now...
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Old 05-06-2009, 06:47 PM   #50
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G2P! Available at most auto parts stores.

Or, just have cats welded in down the line. Most high flow cats won't restrict enough that you'll notice any loss in power.

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I think this is the first positive bit of info I have read that might enable me to get away with headers in California. I just need to find a way to pass the sniffer test now...
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Old 05-06-2009, 06:56 PM   #51
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G2P! Available at most auto parts stores.

Or, just have cats welded in down the line. Most high flow cats won't restrict enough that you'll notice any loss in power.
I'm thinking just have some flanges so I can bolt in some huge catalytic converter for smog test days, and carefully drive down to the emissions inspection place and hopefully not scrape it on anything, and then bolt a straight pipe back in when I get home.
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Old 05-06-2009, 08:41 PM   #52
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Great DIY!
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Old 05-06-2009, 08:47 PM   #53
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Old 05-06-2009, 09:12 PM   #54
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what are flanges?
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Old 05-06-2009, 10:13 PM   #55
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what are flanges?
pay someone to find out for you rich boy.
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Old 05-06-2009, 10:23 PM   #56
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Are you putting on a blower?
yep. I didnt want to go to crazy and i took that sweet deal they had so its VF for me.
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Old 05-06-2009, 10:24 PM   #57
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what are flanges?
http://en.wikipedia.org/wiki/Flange
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Old 05-06-2009, 10:34 PM   #58
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yep. I didnt want to go to crazy and i took that sweet deal they had so its VF for me.
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Old 05-07-2009, 03:23 PM   #59
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yep. I didnt want to go to crazy and i took that sweet deal they had so its VF for me.
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Old 05-07-2009, 03:57 PM   #60
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Good deal!

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yep. I didnt want to go to crazy and i took that sweet deal they had so its VF for me.
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