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SD to HD Screen upgrade?

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Old Apr 18, 2026 | 11:09 AM
  #1  
unclejemima's Avatar
unclejemima
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SD to HD Screen upgrade?

I'm looking at getting a 13 EX37 with ridiculous low mileage off the original owner. I'm talking 10,000 ORIGINAL miles from 2013. All service records and literally 2 oil changes a year religiously since new (even though there was a virtually no miles put on!). It's literally a BRAND NEW 2013 EX37 :-)

That said, the car has the BOSE, but not NAV package. I'm wanting to add one of those carplay units to the OEM screen.

From what I can gather, the Non-NAV package has a SD-Screen and the NAV has a HD-Screen

Non-Navi: 480x320
Navi: 800x480

I'm assuming carplay on a 480x320 would look like absolute garbage.

I know dropping in the entire NAV system is not a plug and play...but is it possible to swap over JUST the screen from the NAV to non-NAV models to get the higher resolution?
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Old Apr 19, 2026 | 08:35 PM
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Doubtful. I suggest going to an online source such as Crutchfields and ask whether a swap from SD to HD is possible. Be sure to post an update here on what you find.
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Old Apr 20, 2026 | 01:29 PM
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The nav and non-nav screens use a different video format and are not compatible.
The high-res nav screen requires the av/nav module.
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Old Apr 23, 2026 | 10:57 PM
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unclejemima
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Originally Posted by SonicVQ
The nav and non-nav screens use a different video format and are not compatible.
The high-res nav screen requires the av/nav module.
Poop. Ok. That sucks.

Converting a Non-Nav car to a Nav is not a plug and play either from what I recall. Simply getting a nav unit off ebay requires a super expensive specialty harness that cost if I recall north of $400 for the harness only! Does that sound about right?
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Old Apr 24, 2026 | 09:50 AM
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The "specialty harness" just makes the OEM swap "plug and play." Convenience always commands a premium. For anyone with moderate skills in electronics the actual swap is not as hard or daunting as it seems. I did it over 10 years ago and IIRC it took me less than 2 days and I wasn't "in a rush."

However, ten+ years ago the swap made sense. Today, not so much.

Whilst I am not a "fan" of those aftermarket "Tesla-style" (or equiv.) things I did install something similar in my BMW and it suits my needs perfectly. Unfortunately, I do not like the styles of what is available (for the G) which is why I haven't bit the bullet but, that is my own personal taste. I would recommend you look into some of those offerings as they will offer a upgraded screen, CarPlay (or that Android Auto thing), and a host of other features that you may/ may not need for a fraction of the cost of swapping in 10+ year-old OEM hardware that you will still have to "upgrade" with the CarPlay box.

Just search "G37 (or EX37) Android" on eBay and options will pop up.

Last edited by ILM-NC G37S; Apr 25, 2026 at 09:28 AM.
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Old May 7, 2026 | 09:26 PM
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Originally Posted by ILM-NC G37S
The "specialty harness" just makes the OEM swap "plug and play." Convenience always commands a premium. For anyone with moderate skills in electronics the actual swap is not as hard or daunting as it seems. I did it over 10 years ago and IIRC it took me less than 2 days and I wasn't "in a rush."

However, ten+ years ago the swap made sense. Today, not so much.

Whilst I am not a "fan" of those aftermarket "Tesla-style" (or equiv.) things I did install something similar in my BMW and it suits my needs perfectly. Unfortunately, I do not like the styles of what is available (for the G) which is why I haven't bit the bullet but, that is my own personal taste. I would recommend you look into some of those offerings as they will offer a upgraded screen, CarPlay (or that Android Auto thing), and a host of other features that you may/ may not need for a fraction of the cost of swapping in 10+ year-old OEM hardware that you will still have to "upgrade" with the CarPlay box.

Just search "G37 (or EX37) Android" on eBay and options will pop up.
I came to ask almost exactly this. There are a few parts cars near me with NAV. Mine doesn't. But it seems like buying everything I need from the parts car will cost similarly to a Grom or similar CarPlay unit. And probably be an easier installation?
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Old May 7, 2026 | 09:27 PM
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Originally Posted by unclejemima
I'm looking at getting a 13 EX37 with ridiculous low mileage off the original owner. I'm talking 10,000 ORIGINAL miles from 2013. All service records and literally 2 oil changes a year religiously since new (even though there was a virtually no miles put on!). It's literally a BRAND NEW 2013 EX37 :-)

That said, the car has the BOSE, but not NAV package. I'm wanting to add one of those carplay units to the OEM screen.

From what I can gather, the Non-NAV package has a SD-Screen and the NAV has a HD-Screen

Non-Navi: 480x320
Navi: 800x480

I'm assuming carplay on a 480x320 would look like absolute garbage.

I know dropping in the entire NAV system is not a plug and play...but is it possible to swap over JUST the screen from the NAV to non-NAV models to get the higher resolution?
Ok now I want to know what you paid! Sweet find! I picked up my first this weekend, an '09 G37x with 45k miles. I considered it a steal.
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