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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 06-07-2013, 10:26 PM   #1
M3_Power_Hustle
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Join Date: Apr 2013
Location: Milwaukee
Posts: 8
My Ride: Laguna Seca E46 M3
Fixing Undercarriage - Unknown Part - Air Guide - Help?

So, A while back a semi blew out his tire about 50 yards in front of me on the freeway, it was like 2 in the morning so of course I didn't know until I ran over the SOB. Basically it ripped up all of the undercarriage protection and I'm now in the process of replacing it. I ordered a part I believed I needed and upon receiving it, I can't seem to figure out where it goes.

Air Guide
51487894172

Here's the link to it -
http://www.realoem.com/bmw/showparts...=51&fg=80&hl=1

As you can see it's pretty small, a lot smaller than I anticipated it being.
Does anyone have ANY idea where this part goes? Any input would be appreciated, thank you.
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Old 06-07-2013, 11:04 PM   #2
tinman831
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Join Date: Jul 2011
Location: DALLAS
Posts: 253
My Ride: M3
Quote:
Originally Posted by M3_Power_Hustle View Post
So, A while back a semi blew out his tire about 50 yards in front of me on the freeway, it was like 2 in the morning so of course I didn't know until I ran over the SOB. Basically it ripped up all of the undercarriage protection and I'm now in the process of replacing it. I ordered a part I believed I needed and upon receiving it, I can't seem to figure out where it goes.

Air Guide
51487894172

Here's the link to it -
http://www.realoem.com/bmw/showparts...=51&fg=80&hl=1

As you can see it's pretty small, a lot smaller than I anticipated it being.
Does anyone have ANY idea where this part goes? Any input would be appreciated, thank you.
What made you think you needed this piece? I've never seen this one before.
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Old 06-08-2013, 12:33 AM   #3
M3_Power_Hustle
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Join Date: Apr 2013
Location: Milwaukee
Posts: 8
My Ride: Laguna Seca E46 M3
Well I thought I needed it because of the similar oval shaped indents as the Lower Belly Pan - 51717895091. The OEM picture shows the same indents, and I was surprised when I got the part. I'm not sure if this Air Guide that I received is even a part I need, but since I have it I would like to know where it goes.
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