Blaupunkt Radio Recommendation

Post your E12 technical questions and comments here. Please, no off-topic posts.

Moderators: Mike W., Pierre

Post Reply
Dale Hedtke
Posts: 14
Joined: Wed Dec 11, 2019 8:41 am

Blaupunkt Radio Recommendation

Post by Dale Hedtke » Sat Dec 14, 2019 10:44 am

I'm looking for a period correct Blaupunkt radio for my 1978 530i and just can't nail it down by looking at photos on line, etc.

What makes sense?

Thanks in advance

Dale

User avatar
528i-1981
Posts: 274
Joined: Wed Feb 07, 2018 5:50 am
Location: Boston North Shore, MA

Re: Blaupunkt Radio Recommendation

Post by 528i-1981 » Sun Dec 15, 2019 9:12 am

My 81 528i came stock with a DAI-9400D head unit, made by Audio Systems Incorporated (ASI) of Japan. These were auto-reverse cassettes but all of their drive bands eventually failed, and direct replacement parts are unavailable. You could find a couple and try to scavenge parts, but most of these units shared the same failure mode so that struck me as pointless.

Now there is a DAI-9401D on eBay now that looks serviceable, is alleged to work, and with some cleanup might work for you.
https://www.ebay.com/itm/153703078177
I have no knowledge whether the 9410D suffers the same problems as the 9400D, so caveat emptor. But if you're going to add an inline Bluetooth module, you may not care that the cassette player might wind up wobbly or dropping a channel on your road tunes mix tape.

The real issue is rear clearance, as shaft-style head units did not conform to any standard size like the later DIN chassis. But two units that are still generally operative and available that I had identified as probable fits (subject to dimension verification) are:

the Blaupunkt Stockholm 21; one here: https://www.ebay.com/itm/323821245362
the Blaupunkt CR-2001; one here: https://www.ebay.com/itm/272886371180

Of course you may have to contend with wiring and harness issues, but that's expected.

There's a seller on eBay called Joseph's Retro Sound in Zagreb that is very knowledgable - I bought my head unit (tested, in beautiful condition) from him and its was shipped in bulletproof packaging from Croatia with no issues:
https://www.ebay.com/usr/josephs-retro- ... 7675.l2559

Cheers,
Eric
(oo=00=oo) Eric
1981 528i Manual

User avatar
Lock
Posts: 354
Joined: Sun Oct 04, 2015 1:51 pm
Location: Washington state
Contact:

Re: Blaupunkt Radio Recommendation

Post by Lock » Thu Dec 19, 2019 10:29 pm

Can confirm the Blaupunkt CR-2001 fits - My 528i came with a box of parts and that was one of the original items in it. Mine is 1979 so that would be correct here.

It even had the original dealer install sticker on it from Peter Pan BMW San Mateo. Gave it to a friend with a period correct Porsche.
1979 528i 5-speed conversion G260/6, Motronic 1.3 179
1980 Honda CX-500

Dale Hedtke
Posts: 14
Joined: Wed Dec 11, 2019 8:41 am

Re: Blaupunkt Radio Recommendation

Post by Dale Hedtke » Sun Dec 22, 2019 10:59 am

Thanks folks for the radio info. I've never installed a radio in any of my old cars; they always came with a serviceable, modern unit.

I have a newer model that I'm going to stick in the car, just to get started on sorting out the wiring, amps, cross overs, and speakers. I think I'm going to be a bit frustrated at times, but once I get a good wiring diagram made up, it should flow.

Cheers

Dale

User avatar
Lock
Posts: 354
Joined: Sun Oct 04, 2015 1:51 pm
Location: Washington state
Contact:

Re: Blaupunkt Radio Recommendation

Post by Lock » Tue Dec 24, 2019 1:55 am

If it helps I found with these cars - 1. the negative speaker wires are grounded in our cars, and all but the most basic radios since the 80s have balanced speaker outs - they won't work right (possibly be damaged) if you hook them up, so run your own speaker wires. And 2. The "power" cable for the radio only comes on at ACC-ON key inputs, so any radio with a display will lose its memory when you turn the car off. I hooked the power cable for the radio up to the cigarette lighter power, which is always on, and made the original radio power the 'on' signal.
1979 528i 5-speed conversion G260/6, Motronic 1.3 179
1980 Honda CX-500

User avatar
528i-1981
Posts: 274
Joined: Wed Feb 07, 2018 5:50 am
Location: Boston North Shore, MA

Re: Blaupunkt Radio Recommendation

Post by 528i-1981 » Tue Dec 24, 2019 2:58 pm

My unit (Blaupunkt Bavaria Reverse C) has a memory wire that I also hooked up to the cigarette lighter.

Isn't it awesome that when E12's were designed, along with the hazard lights, the cigarette lighter was considered so indispensible that it always has power? Headlights? Nah - find the key. Want a smoke while waiting for the tow truck? Kein Problem, Bruder.

I remember melting the AM radio preset buttons using the cigarette lighter in our 1965 Plymouth Barracuda while my mom was inside the supermarket. Those cars would shift out of park without the key. Believe me.
(oo=00=oo) Eric
1981 528i Manual

Dale Hedtke
Posts: 14
Joined: Wed Dec 11, 2019 8:41 am

Re: Blaupunkt Radio Recommendation

Post by Dale Hedtke » Tue Dec 24, 2019 3:47 pm

Great info.

First car I drove was Grandpa's Jeep. If your dad parks it on a hill and you monkey with the 3 gearshift levers you e d up in the neighbor's yard....

Next up, my other grandpa's car...

Oh well.

User avatar
10ringarcher
Posts: 89
Joined: Sun Dec 27, 2015 12:26 am
Location: NY

Re: Blaupunkt Radio Recommendation

Post by 10ringarcher » Thu Dec 26, 2019 6:27 pm

Dale,
I have a few pictures of my original 78 530 Blaupunkt radio I can email you. I haven't posted pictures here in a long time and forgot how to do it. I think I used photo bucket in the past.
I have your email from another thread. Sending pics in a few minutes.

User avatar
10ringarcher
Posts: 89
Joined: Sun Dec 27, 2015 12:26 am
Location: NY

Re: Blaupunkt Radio Recommendation

Post by 10ringarcher » Thu Dec 26, 2019 7:27 pm

Let me try this
Attachments
IMG_8389.jpg
IMG_8388.jpg
IMG_8387.jpg

Bareld
Posts: 5
Joined: Wed Apr 04, 2018 2:12 pm

Re: Blaupunkt Radio Recommendation

Post by Bareld » Sat Dec 28, 2019 2:51 am

Did you check this site?


https://www.radiomuseum.org/

Lots of info and period search option

HB528i
Posts: 14
Joined: Mon Dec 09, 2019 7:53 pm
Location: Huntington Beach

Re: Blaupunkt Radio Recommendation

Post by HB528i » Sat Dec 28, 2019 4:07 pm


PatinaBeforePolish
Posts: 257
Joined: Sun Jan 18, 2015 1:22 pm
Location: Baltimore, Md.

Re: Blaupunkt Radio Recommendation

Post by PatinaBeforePolish » Mon Dec 30, 2019 10:44 am

My favorite radio:

Image
78 F150
79 528i
81 528i parts car
01 540i
86 944
08 X3 don’t judge me it’s there to preserve the others

User avatar
528i-1981
Posts: 274
Joined: Wed Feb 07, 2018 5:50 am
Location: Boston North Shore, MA

Re: Blaupunkt Radio Recommendation

Post by 528i-1981 » Mon Dec 30, 2019 6:40 pm

Sounds better than the stock speakers.
(oo=00=oo) Eric
1981 528i Manual

Post Reply