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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 09-19-2010, 10:16 PM   #421
Darth Maul
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Well, I wired everything and hooked it up to see if it works and everything is perfect!

Blue was ground, yellow was right, and white was left. Just like I had stated. All I need to do now is route the aux input somewhere. Thanks for the help and this is a freakin awesome DIY!
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Old 09-19-2010, 10:17 PM   #422
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Originally Posted by sillieidiot View Post
if you have a voltmeter, just check for continuity from the plug and the ends of each wire. you can look up the plug diagram for it to tell you which is which. would be the best way i guess
my next suggestion

I switched up left and right in my car, but w/e

I routed the wire down back behind the hvac and storage box, under ash tray, past shifter, infront of ebrake, and then crossed over under cup holders and had the last like 8" of the cord go down between the carpet and the plastic on the passanger side so I can plug in my iPhone from my cup holder with minimal wires.
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Old 09-19-2010, 10:19 PM   #423
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cool glad to see you got it worked out. would be funny if the l/r were switched when you mess with the balance on the source lol not like it would matter though
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Old 09-19-2010, 10:25 PM   #424
Darth Maul
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Yeah, thanks guys for the helpful information. I'm glad we all solved another DIY project! Man I love this DIY project. I showed my dad and he wants me to do his ZHP Vert....
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Old 09-19-2010, 11:08 PM   #425
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Quote:
Originally Posted by Andy2108 View Post
my next suggestion

I switched up left and right in my car, but w/e

I routed the wire down back behind the hvac and storage box, under ash tray, past shifter, infront of ebrake, and then crossed over under cup holders and had the last like 8" of the cord go down between the carpet and the plastic on the passanger side so I can plug in my iPhone from my cup holder with minimal wires.
nice. i stuck a jack on the button console area next to my heated seats button then whenever i feel like using it, i just bust out an aux cable and plug it in. then unplug and put it away like the jack was meant to be there or something lol
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Old 09-19-2010, 11:19 PM   #426
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nice. i stuck a jack on the button console area next to my heated seats button then whenever i feel like using it, i just bust out an aux cable and plug it in. then unplug and put it away like the jack was meant to be there or something lol
i like that idea

i did this DIY myself a while ago, but my quality is horrible, anyone else have this problem? like its that crappy to where i dont even use it
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Old 09-20-2010, 12:11 AM   #427
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I routed my aux input under the cup holder, I think I'm going to get one of those trays with a slider.
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Old 09-20-2010, 12:48 AM   #428
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i like that idea

i did this DIY myself a while ago, but my quality is horrible, anyone else have this problem? like its that crappy to where i dont even use it
it just depends on your source. crap in, crap out. HQ in, decent quality out. could be connection issues, you bought a mono cable or something. iono. i don't really have a problem, i'm not expecting HQ sound from a stereo jack so yea
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Old 09-20-2010, 10:43 PM   #429
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it just depends on your source. crap in, crap out. HQ in, decent quality out. could be connection issues, you bought a mono cable or something. iono. i don't really have a problem, i'm not expecting HQ sound from a stereo jack so yea
im not sure the name of the part i used but it came off a cable from the back of an old computer. maybe its just the aux cable, its kinda thin, probably not the best quality
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Old 09-20-2010, 11:17 PM   #430
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Can anyone give me a more detailed picture of the connector that plugs into the back of the radio. I took apart a old computer of mine but I am not sure what size connector I am looking for exactly, and I know absolutely nothing about computers so the information above on where to pull from was no help to me.

Thanks guys, hopefully I can find the right connector and get this done in the next day or two, I am tired of listening to the same crap on the radio.
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Old 09-20-2010, 11:20 PM   #431
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i like that idea

i did this DIY myself a while ago, but my quality is horrible, anyone else have this problem? like its that crappy to where i dont even use it
i did this DIY twice. the first time, i used a real thick audio cable from radioshack, like the one in the OP. it worked beautifully. but, i decided i was annoyed by this, since the connector was not right-angle, my blackberry would not fit cleanly into the sunglass holder (where i ran the cable through).

i replaced it with a thinner cable with a right-angle connector. this was a mistake. the thinner cable was way harder to work with, and eventually stopped working.

tl:dr version: use a decent cable, solder and heat-shrink the connections, and you should be ok.
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Old 09-20-2010, 11:25 PM   #432
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i did this DIY twice. the first time, i used a real thick audio cable from radioshack, like the one in the OP. it worked beautifully. but, i decided i was annoyed by this, since the connector was not right-angle, my blackberry would not fit cleanly into the sunglass holder (where i ran the cable through).

i replaced it with a thinner cable with a right-angle connector. this was a mistake. the thinner cable was way harder to work with, and eventually stopped working.

tl:dr version: use a decent cable, solder and heat-shrink the connections, and you should be ok.
guess ill be going to buy a cable in the morning....whats an average price for a decent cable? whatever i get i have to cut the end right? to fit into the connector?......also there is like almost zero bass when playing my ipod, and i know its not the settings(also cable issue?)......also another problem i was having was a lot of static when i touched my ipod, im guessing bc the back is metal?
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Old 09-21-2010, 02:03 AM   #433
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im not sure the name of the part i used but it came off a cable from the back of an old computer. maybe its just the aux cable, its kinda thin, probably not the best quality
i would say it's the cable
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Old 09-21-2010, 02:04 AM   #434
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Originally Posted by nihad05 View Post
guess ill be going to buy a cable in the morning....whats an average price for a decent cable? whatever i get i have to cut the end right? to fit into the connector?......also there is like almost zero bass when playing my ipod, and i know its not the settings(also cable issue?)......also another problem i was having was a lot of static when i touched my ipod, im guessing bc the back is metal?
i would check your connection too. are you grounding it correctly? should not have any static. the cable can't be more than 10 bucks. just pick one up at radio shack.
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Old 09-21-2010, 07:17 AM   #435
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Originally Posted by nihad05 View Post
i like that idea

i did this DIY myself a while ago, but my quality is horrible, anyone else have this problem? like its that crappy to where i dont even use it
Show us the pics of soldering and all the stuff.

Regarding capacitors, there should be used foil capacitors used mainly in audio equipment so they should not have + and -

regarding the capacity, i tried different capacities, but when You increase capacity, lower frequencies will pass easier than higher so You can easily cut off high frequencies if You dont know what are You doing.

I had only one issue with AUX on my E46 and it was problem with iPod where i had to use grounding loop separator (transformers) to separate groung of iPod and ground of radio.

Sound quality was perfect.
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Old 09-21-2010, 08:13 AM   #436
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Lightbulb Use a CD Drive Audio Cable

Having made two different aux cables about three times each (changing plug ends, with & without capacitors & resistors, etc.) & having no problems with either, I feel confident that any static, bass, or sound quality problems has to be from the construction, esp. ensuring a good ground & shielding/isolation. I didn't use any special thick, high-end audio cables, just a generic brand 1/8" stereo extension cable & a spare CD drive audio cable I had lying around (exactly like this):



This pin size & spacing is fairly standard & widespread in many computer parts, especially for anything that connects to motherboard header pins; e.g. USB & FireWire ports, audio connectors (as above), front-panel buttons & LEDs, even IDE/PATA or floppy drive ribbon cables (hacked down to 5x2 or smaller, of course). In short, there are many computer connectors that have this pin size & spacing; our head unit's pins are a 5x2 array of this size.

I just pulled the pins out of the sockets, superglued the two 4x1 sockets together to make a 4x2 socket that fits perfectly onto the head unit's pins & reinserted the wires into the correct sockets. Chop off one end of both cables, solder it all together (ensure solid physical & electrical connections; test with a multimeter), heat-shrink each wire & the cable as a whole, & bada-bing you've got an aux-in cable.

As for the capacitors & resistor, I just used the same specs as the OEM cable: two 0.22 F (microfarad) capacitors & a 300k Ohm resistor (I used three 100k Ohm resistors in series). I have had zero problems with static, poor-quality sound, or high or low frequencies being noticeably clipped.
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Old 09-21-2010, 09:06 AM   #437
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Yeah these are okay too it is hard to buy the connectors to head unit. I did not find them on WDS.

by the way, original AUX retrofit is not shielded, it is just three cables twisted
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Old 09-21-2010, 11:15 PM   #438
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Did it in the cassette player..

First of all, thanks to all the guys that posted their problems.

I opened the radio and weld a cable one end directly to the cassette case, in the board that conects to the main board where it says Ground, L and R, and the other end with a 3.5 plug

The pin numbers are from left to right 3, 4 and 5

Please tell me if it is ok because it works..


and


Thanks
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Old 09-22-2010, 01:28 AM   #439
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That is how it can be done, but better will be if You disconnect the cassete module output, it may, but also may not influence the sound.
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Old 09-22-2010, 09:58 AM   #440
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I knocked this out today, I had to pick up the connector at a local computer shop but I only paid a dollar for it. I have my wire running to the sun glass case right now but I have enough wire that I think I am going to look for somewhere else to mount it. My only question is this, with the the iphone connected I can use the volume on the steering wheel but I can't change songs from the steering wheel or via the head unit. Do you have to do in through the ipod every time?
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