Rare BMW Business CD Radio system from Germany... - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 05-27-2004, 12:21 AM
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Hello, I wanted to know if I could use the OEM BMW Business CD Radio head unit in my 1990 BMW 535i? It's from Germany and is in great condition. Made in 1996. But the seller says it works in all BMW, E12, E28, E34, E36, E30, E34 incl. M3 and M5 and Z3. etc. It has a CD player, RDS, AM/FM Radio and the part number is 6512 - 8 352 865. Could anyone with some knowlege or reference verify if it works on the BMW E34 (1990 BMW 535iA)? I attached a photo of the unit itself showing all the part number, name, etc, so please let me know what you think about it's compatibility with the E34.
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#2 (permalink) Old 05-27-2004, 12:25 AM
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Here's a pic of the front of the unit...
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#3 (permalink) Old 05-27-2004, 12:27 AM
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And here's a pic of the back of the unit... hope you guys can figure something out if it works in my 1990 E34.
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#4 (permalink) Old 05-27-2004, 02:56 AM
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It should work fine. I cant speak for all of those advertised applications, but that deck should work fine in many BMW cars. It will deffinately plug right into an e36, and I'm relatively certain that the same oem wiring harness terminates in the same manor on most BMW cars starting in 1990. Below is a pretty standard wiring diagram for many early to mid 1990's (even though it is labled specifically for e36 cars).
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#5 (permalink) Old 05-27-2004, 03:38 AM
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jllphan ... if you had a dollar for everytime you posted that, you'd be rich.

98' BMW 328i - Jet Black, Black Leather, Alpine CDA-9831 HU

<span style='color:red'>For Sale:</span> Sony CDX-F5000 Xplod w/ Wiring Harness, iBook G3 900 Mhz 640 MB SDRAM w/ Original Box and Software + OS X Panther + Microsoft Office

(PM on any offers, Going on E-Bay soon ...)
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#6 (permalink) Old 05-27-2004, 08:24 AM
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Hmm, thanks for the reply. Yeah judging from the looks of the connectors, it looks like the wiring harness should just plug right in. I can't see any electrical wiring harness differences between the late 1990 models up to 1996 E34. Now I guess my question now is down to these two...

1. Does it automatically switch AM/FM frequency to work in North America, or does it have a switch on it so change radio requency (EURO/NA)?

2. Since the wiring harness looks identical (E34/E36, etc..) what about the CD-Changer connector? Isn't there a 14-pin-something that connects to the back? If so it looks like some sort of fiber-optic connector on th Business CD system?
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#7 (permalink) Old 05-27-2004, 10:54 AM
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Hey guess what? I was browsing a german site and found out this info...

(In German...)

Weltradio (EU, US, CAN, OCE, JP)
2 IC Konzept
6x FM1, FM2, FMA
2x AM Traffic
RDS, TP, TA, EON
PTY (US)
PI/REG
Autom. Suchlauf
Scan
Mix
Suchlauf
Trackwechsel
Einzug/Eject
12cm / 8 cm CD
Random Play
4x 15 W
Fader/Balance
Klangregler (getrennt)
Loudness
Der Einbau ist möglich in E32 (7er), E34 (5er), E36 (3er) und Z3.



(In English...)

World radio (European Union, US, CAN, OCE, JP) 2 IC concept 6x FM1, FM2, FMA 2x AT the Traffic RDS, TP, TA, EON PTY (US) PI/MOVE Autom. Browsing Scan mix browsing TRACK change draw-in/EJECT 12cm/8 cm CD random Play 4x 15 W Fader/Balance sound automatic controller (separately) Loudness the installation is possible in E32 (7er), E34 (5er), E36 (3er) and Z3.


So far looking good, I think this is the perfect stock head unit for me. My only wonder is if 'world radio' is refering to World Band (WB) or for the actual AM/FM Radio functions...
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#8 (permalink) Old 05-27-2004, 11:58 AM
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Here's some extra info I gathered...

(In Russian... original info excerpt)

1. Динамик LF +
2. Динамик RF +
3. Динамик LR +
4. TEL. MUTE
5. ACC
6. Динамик RR +
7. BUS
8. Динамик LF -
9. BAT +
10. Упр. громкостью
11. Динамик RF -
12. Динамик LR -
13. Подсветка
14. Динамик RR -
15. GND
16. Упр. антенной


(In English by Babelfish... )

1. dynamic loudspeaker LF +
2. dynamic loudspeaker RF +
3. dynamic loudspeaker LR +
4. TEL. MUTE
5. ACC
6. dynamic loudspeaker RR +
7. BUS
8. dynamic loudspeaker LF -
9. BAT +
10. cont. by the loudness
11. dynamic loudspeaker RF -
12. dynamic loudspeaker LR -
13. illumination
14. dynamic loudspeaker RR -
15. gnd
16. cont. of the antenna
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#9 (permalink) Old 06-01-2004, 07:13 PM
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that one is from a 96 328i

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#10 (permalink) Old 06-16-2004, 03:23 PM
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karab, did you ever try this? there is another of these units on ebay right now. curious in re my 94 e36 vert. thanks!
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#11 (permalink) Old 06-16-2004, 05:31 PM
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euro has differant radio freq... i think they go by every .1 mhz insead of .2 here.

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#12 (permalink) Old 06-16-2004, 07:30 PM
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just means it will be harder/more of a pain to tune...

but the other problem would be range.. from where to where in the FM spectrum.... I belive some of the digital tuners can be adjusted by entering the "hidden menus" to tell the HU where it is so it will tune properly..

2008 128i Jetblack
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#13 (permalink) Old 06-16-2004, 07:38 PM
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i think fm will work fine but AM will be a no go due to (caution - i might get this wrong) using 9khz increments (600, 609, 618) instead of 10khz (600, 610, 620, 630)
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#14 (permalink) Old 06-22-2004, 07:47 PM
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I have the actual unit in hand. The AM and CD work fine (forgot to check the changer controls). The FM band displays, scans and locks stations, but without output. Still scratching my head.
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#15 (permalink) Old 07-06-2004, 08:30 AM
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This is a link to a Roadfly forum in which Ben Cannon installed a CD43 business CD HU from a 2002 Z3 into his 88 750il. He mentions in there he had problems with the radio code, but was able to switch the HU to Japan, in which no code was required. Therefore, it is quite possible that the frequency range will vary depending on what region you select. Here is the link:

http://bimmer.roadfly.org/bmw/forums/e32/5196716-1.html

Just food for thought.

Real
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