OBD Code

Talk about buying cars, fixing them, and everything in between.
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Darkfoxx
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OBD Code

Postby Darkfoxx » Mon Jul 02, 2012 2:48 pm

For Da Bumbs...

I went to get lunch and after I got back in my car I noticed the "Service Engine Soon" light was now off. Hmmm ok. So I went to Advanced Auto Parts anyways and asked if they did OBD code reading. The guy said yeah but there was no one to do it. He said "Can you do it yourself?"...I'm like "Hell yeah!".

Went back to my car with the reader and did work. I'm a boss. 8)

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Seems like I was right in my assumption that this was because of the extreme heat. The light went away for now, but should I replace something (thermostat?) to keep this from happening again? Explain on TS later plz.

Found this too: http://forums.bimmerforums.com/forum/sh ... ?t=1313609
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Re: OBD Code

Postby Harness » Mon Jul 02, 2012 7:38 pm

If I remember right, your thermostat housing has an electrical connector going to it. It's some kind of an electric controlled thermostat, unique to this engine. I have also heard rumors that if it shorts out internally there is a chance to damage your ECM (engine control module), BMW might call it a DME. Either way it's your engines brain and you don't want it to get hurt.

They make a replacement thermostat housing for this problem and it's pretty reasonable and pretty common to fail. Not very difficult for the do-it-yourselfer but your gonna spill coolant all over the place and you need something to collect it. Plus, refilling the coolant and bleeding out all the air can sometimes be more difficult on these cars then just filling up the bottle.

I would post parts and try to find diagrams but someone left out the year, make and model in their post. :roll:
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Re: OBD Code

Postby Darkfoxx » Mon Jul 02, 2012 8:13 pm

Harness wrote:I would post parts and try to find diagrams but someone left out the year, make and model in their post. :roll:

C'mon man, you should know this by now :lol:

2004 BMW Z4 2.5i (E85 M54)

Thanks so far :thumbsup:
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Re: OBD Code

Postby Darkfoxx » Tue Jul 03, 2012 12:42 pm

http://www.zpost.com/forums/showthread.php?t=488476

Might as well have you flush it after you replace the thermostat housing.
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Re: OBD Code

Postby Jif » Tue Jul 03, 2012 3:32 pm

Darkfoxx wrote:http://www.zpost.com/forums/showthread.php?t=488476

Might as well have you flush it after you replace the thermostat housing.

i LOLed at this
Clean up any spilled coolant to keep kids and pets safe.

if u drive a Z4, u dont have kids. Or you dont have young kids.

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Re: OBD Code

Postby Darkfoxx » Tue Jul 03, 2012 6:36 pm

Jif wrote:if u drive a Z4, u dont have kids. Or you dont have young kids.

Haha, troof.
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Re: OBD Code

Postby Harness » Tue Jul 03, 2012 6:43 pm

Your gonna dump about 75% of your coolant so a flush won't be needed.
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Re: OBD Code

Postby Darkfoxx » Tue Jul 03, 2012 7:05 pm

Harness wrote:Your gonna dump about 75% of your coolant so a flush won't be needed.

Well yeah, but I just thought a flush might be a good idea in terms of maintenance.
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Re: OBD Code

Postby Darkfoxx » Fri Jul 06, 2012 11:20 am

I took some pics the other day. This thermostat housing looks like a bitch to unplug without taking a ton of shit off. The SES light keeps shutting off like a day after it comes on, so I guess it is flapping between states at the moment. But anyways...I can't tell how I'm suppose to unplug the electrical connection. The 2nd pic has an arrow where the electrical connection is.
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Re: OBD Code

Postby Jif » Fri Jul 06, 2012 12:52 pm

buy a newer Z4

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Re: OBD Code

Postby Darkfoxx » Fri Jul 06, 2012 2:44 pm

Jif wrote:buy a newer Z4

:roll:

Gotta fix this first, smartass.
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Re: OBD Code

Postby Jif » Fri Jul 06, 2012 6:26 pm

Darkfoxx wrote:
Jif wrote:buy a newer Z4

:roll:

Gotta fix this first, smartass.

nah. clear the code and take it in for trade. or take it in with the code and trade as-is. they might take some money off, but it might be less than you';d think, since it costs them mich less to fix it than for you to pay someone to fix it. i know you're prolly not taking it to a shop to get fixed, but the principal is the same.

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Re: OBD Code

Postby Harness » Fri Jul 06, 2012 10:53 pm

The picture you posted with the arrow has a little squiggly metal piece attached to the connector. You push the metal piece in toward the connector and pull up and the same time.
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Re: OBD Code

Postby Darkfoxx » Sat Jul 07, 2012 12:58 am

Harness wrote:The picture you posted with the arrow has a little squiggly metal piece attached to the connector. You push the metal piece in toward the connector and pull up and the same time.

I'll try and see.
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Re: OBD Code

Postby Darkfoxx » Fri Jul 20, 2012 9:54 am

I'm ordering the parts today since the date is quickly approaching. I figured you'd do this on Wednesday Aug 1st in the evening?

I'm getting this:
http://www.turnermotorsport.com/p-1906- ... ngine.aspx

And two of these:
http://www.turnermotorsport.com/p-1474- ... n-jug.aspx

I was asking my BMW niggas over at the BMW forums I go to and they had a few tips, which you may know or not:

you'll need a 10mm, 11mm, and 13mm socket. Make sure you bleed the system by opening the relief valve (phillips head beside the radiator cap, under the radiator cowl). Run the car for a few minutes with the heat on. BE CAREFUL AROUND THE ALUMINUM RADIATOR- it damages easily and is very expensive. Same goes for the fan... $600. The radiator support bracket makes this job a bit more interesting.


And about the coolant:
diluted 50/50 with distilled water


Do you have distilled water at the shop or do I have to bring some? BUMBSSSSSSSSSs!!!

Fuck this shit cost me $115.98. Fucking BMW.
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