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Has anyone done a CarPlay retrofit / Headunit replacement for 991.1

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Old 05-12-2024, 06:43 PM
  #2656  
shammerman
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@bretth - I hope you ordered it from https://acsbyroman.com/mr12volt/ (as I did) as @Roman ACS will provide tech support if necessary and answer all your questions. He will also provide a few extras such as the necessary spacers for the board you will if you have satellite radio. I installed mine a few weeks ago and so far I am truly impressed with everything and how it works. He also has a FB group that has a lot photos and other users answering any questions that might arise.

Last edited by shammerman; 05-12-2024 at 06:44 PM.
Old 05-12-2024, 06:52 PM
  #2657  
bretth
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Thanks, I did! @Roman ACS presence on this forum was the selling point. I bought through his website... but he needs to update his posting footnote of "toys" as it seems to not apply anymore. May get more business if we get a discount as part of this forum.

NM Automotive is great and responsive... but ever have to deal with returning anything? A very small island off the coast of the UK. Costs >$100 to return anything.
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Old 05-13-2024, 07:46 AM
  #2658  
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Originally Posted by bretth
Thanks, I did! @Roman ACS presence on this forum was the selling point. I bought through his website... but he needs to update his posting footnote of "toys" as it seems to not apply anymore. May get more business if we get a discount as part of this forum.

NM Automotive is great and responsive... but ever have to deal with returning anything? A very small island off the coast of the UK. Costs >$100 to return anything.
I was not aware of expired. Ive updated it.
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Modernize your P-Car w/ Mr12Volt. Apple Carplay and Android Auto with superior audio quality, features, and support. Reach out for specials! Torque.Acs@gmail.com or Roman (267) 317-8229

Our website is now LIVE! please visit us at www.ACSByRoman.com

COUPON CODE "toys" FOR FREE INSTALL KIT!

On site install is available in the Philadelphia PA area as is Global shipping!


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Old 05-13-2024, 08:37 AM
  #2659  
bretth
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No worries... mostly, I need to ensure that I can learn how to connect a third party (not OEM) rear camera... and have it work with a manual gear box. Thanks.
Old 05-13-2024, 08:44 AM
  #2660  
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Originally Posted by bretth
No worries... mostly, I need to ensure that I can learn how to connect a third party (not OEM) rear camera... and have it work with a manual gear box. Thanks.
Mr12volt has 3 camera inputs and a signal wire input.
Old 05-13-2024, 06:34 PM
  #2661  
Sonofasailor
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Finally able to tear the dash apart and troubleshoot. It was the ribbon cables, one of which had loosened or become crooked. Once that was straightened out, latched in properly, the PCM 3.1 sprang back to life. Each time you tear the dash apart, reassembly seems to get easy. Don't want to do it again, ever, regardless of it getting easier!
Old 05-13-2024, 07:12 PM
  #2662  
Indyxc
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Just finished a CarPlay retrofit with actual Porsche PCM 4 with Carplay. Done and Dusted!

No easy, or cheap, but it's the real deal if you want wired carplay and full factory integration.




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Old 05-13-2024, 11:50 PM
  #2663  
Joec500
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Received my CHSTEK unit today, super quick from China, I think it helps that they go through customs here. The build quality seems great. (***** and buttons) I love the big screen and the units are super skinny so install should be cake.

Looks relatively plug and play, stay tuned for updates once installed.
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Old 05-14-2024, 12:36 AM
  #2664  
TsaiCo
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so, does the CHSTEK offer for 991.1 ? I don't see it on their listing on AliExp
Old 05-14-2024, 02:51 AM
  #2665  
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Originally Posted by TsaiCo
so, does the CHSTEK offer for 991.1 ? I don't see it on their listing on AliExp
981 and 991 share the same PCM and many dash pieces
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Old 05-14-2024, 09:31 AM
  #2666  
andy2111
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Originally Posted by Joec500
981 and 991 share the same PCM and many dash pieces
^^^^

I ordered a CHSTEK for my 991.1 to replace my Erisin - it's fully compatible with the 991 and hopefully will arrive before the weekend

I'll share my installation experience on here and will add anything helpful to the support guide we're creating
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Old 05-14-2024, 11:26 AM
  #2667  
ZedZed
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Originally Posted by Indyxc
Just finished a CarPlay retrofit with actual Porsche PCM 4 with Carplay. Done and Dusted!

No easy, or cheap, but it's the real deal if you want wired carplay and full factory integration.

How much did it cost?
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Old 05-14-2024, 12:13 PM
  #2668  
Foosh
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Originally Posted by Indyxc
Just finished a CarPlay retrofit with actual Porsche PCM 4 with Carplay. Done and Dusted!

No easy, or cheap, but it's the real deal if you want wired carplay and full factory integration.
Congrats on getting that done, and I admire your technical acumen in figuring that all out.

However, I had wired OEM CarPlay in my 2019 718S Cayman with PCM 4.0, and it was glitchy, sometimes having to plug and unplug 2-3 times to get CarPlay booted. I didn't think it was what I would call well-integrated at all, and the integration was vastly inferior to CarPlay in our vehicles from other manufacturers..

Mr12Volt is fully integrated with the PCM 3.1 in my current '14 TTS, it appears as one of the available sources selectable in the PCM menu, it's wireless, and all PCM 3.1 functions are fully functional. It's also under $500.

Simply by changing back to one of the other PCM sources, you'd never know it wasn't 100% OEM.

Last edited by Foosh; 05-14-2024 at 12:20 PM.
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Old 05-14-2024, 12:57 PM
  #2669  
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Originally Posted by Joec500
981 and 991 share the same PCM and many dash pieces
thanks for that, do you happen to know if we need to get the "decoder"? pic attached.


Old 05-14-2024, 01:21 PM
  #2670  
TsaiCo
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Originally Posted by andy2111
^^^^

I ordered a CHSTEK for my 991.1 to replace my Erisin - it's fully compatible with the 991 and hopefully will arrive before the weekend

I'll share my installation experience on here and will add anything helpful to the support guide we're creating

appreciate that


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