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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 07-31-2010, 06:36 PM   #1
TKC
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DIY: Installed Tweeter on A Pillar & replaced Mid-range speaker

Hi everyone,

This project happened for 2 reasons.

1) With the top down and all the speakers at chest level and below, the sound from the stereo is terrible when driving, especially at high speeds. I need to bring sound up to head level.

2) Just like a lot of you, my crappy HK Midrange speaker in the door panel blew. All my other speakers have been replaced with MB Quart, but these were still OEM HKs.

I also have a Kicker 10" sub in the ski pass, seen here.

After seeing this great thread about a equal size replacement midrange (since our cars have a odd 2.5" speaker), I bought a set to replace the door speaker.

To bring sound up to head level, I decided to add a set of tweeters to the A Pillars.

Here are the photos:



Ready to start:




-Removed Door panel to access Mid-range speaker,
-removed glove box (NOT NECESSARY but I had to fix the latch anyways),
-removed side kick panel to access speaker wire to tap the new tweeter into.
-Note for future DIYers, the tweeter wire colors on this passenger side are light blue with a brown stripe for positive, light blue with a black stripe for negative.




A comparison of the blown crappy HK vs. the new midrange speaker I'm replacing it with (Again, see link at the start of this post for more info on this speaker).



Here is the A-Pillar removed and ready to install the tweeter.
NOTE: The tweeter came with a plastic ring that goes around the outside that has the RF logo, a mounting ring, and a rear mounting ring (you will see pictured later.) These items were OMITTED because 1) The outer ring was ugly, see here and 2) There is virtually no space behind this A-Pillar so I had to keep this as thin as possible.




Marked off the area for the hole.



Drilled out the hole.



Put tweeter in place.



Here you see the rear mounting bracket. See how much space this crap takes up?!?



Here is how I secured the tweeter. I had a "L" bracket lying around in the garage, so I just hammered it flat, cut it down to size, bent the ends. Works great!



Here is how you do the Driver Side.
- Remove the panel under the steering wheel.




- Remove the hood latch handle.
- Remove the dead pedal kick panel.




Now you can access the speaker wires.
NOTE for future DIYers, the tweeter wire colors on this Drivers Side are Yellow with a Red stripe for positive, Yellow with a Brown stripe for negative.




Then, just re-install everything and enjoy!

Now you can see the tweeter mounted up on the A-Pillar. Fairly discreet and since it's behind tint, you can't see it from outside the car.



I've been driving around on the freeway, high speed, top and windows down, and the music and lyrics are sooooo clear now! Perfect addition to the MB Quart & Kicker Sub I have previously installed. Good luck!

****EDIT: Additional note, when doing the Passenger side, there is a set of wires already running up the A-Pillar encased in a plastic mounting tray. Open the tray, slide the wires out, pull the plastic tray out, and cut it down to size so it's not behind the tweeter. This will give you a little more clearance back there. Then I just slid the wires to the side so they travel around the tweeter instead of behind it for maximum clearance.
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Last edited by TKC; 07-31-2010 at 06:39 PM.
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Old 07-31-2010, 06:40 PM   #2
-Jay-
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Looks really good Toby

Too bad I didn't get to hear how it sounds.
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Old 07-31-2010, 06:46 PM   #3
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Sweet mod. I need to get a demo of this.
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Old 07-31-2010, 07:09 PM   #4
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NGC family fun run in toby's vert?


looks great and i bet it sounds great, too!! good job, Toby!
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Old 07-31-2010, 08:07 PM   #5
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sweet deal
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Old 07-31-2010, 10:12 PM   #6
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Great job man. I bet it's a world of difference.
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Old 08-01-2010, 11:53 AM   #7
ACS Rob
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great job toby!! end result looks great! i'm sure the sound blows the stock HK speakers away.
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Old 08-01-2010, 11:57 AM   #8
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Sweet mod. I need to get a demo of this.

2 guys in a vert with the top down?


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Old 08-01-2010, 12:41 PM   #9
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Quote:
Originally Posted by -Jay- View Post
Looks really good Toby

Too bad I didn't get to hear how it sounds.
Quote:
Originally Posted by cyberkaa View Post
Sweet mod. I need to get a demo of this.
Quote:
Originally Posted by feia0303 View Post
NGC family fun run in toby's vert?


looks great and i bet it sounds great, too!! good job, Toby!
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Originally Posted by crazyxzer0 View Post
sweet deal
Quote:
Originally Posted by Ervin87 View Post
Great job man. I bet it's a world of difference.
Quote:
Originally Posted by ACS Rob View Post
great job toby!! end result looks great! i'm sure the sound blows the stock HK speakers away.
Thanks guys! It does sound great!

Quote:
Originally Posted by ACS Rob View Post
2 guys in a vert with the top down?


Don't be jealous Rob, if you come down to the next meet, I'll give you a ride too, as long as I can't feel your legs.
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Old 08-01-2010, 01:04 PM   #10
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looks professional
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Old 08-01-2010, 03:10 PM   #11
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Awesome!
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Old 08-02-2010, 08:26 AM   #12
MrRight
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looks great, wondering if you could point me in the direction of a diy 2 tone interior guide?? i have both oem blakc and grey interior.. just havving trouble finding a thread to help e do my convertion
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Old 08-27-2010, 10:45 PM   #13
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Hey Toby, was it hard to get the midrange to fit in the oem bracket? Thinkin' about doing this because I know exactly what you mean when the top is down
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