DIY: Xtrons PB7639BP Android Head Unit Installation - Page 36 - BMW M5 Forum and M6 Forums
E39 M5 and E52 Z8 Discussion 1998-2003 Advertiser's Forum

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post #351 of 354 Old 1st July 2019, 05:00 PM Thread Starter
Rontgen
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Originally Posted by stickey View Post
I haven't messed much with it. I unplugged the Resler and just listened to tunes, I'd rather have good music than more technical gizmos.



I just plugged it back in last night as part of a euro dash conversion. I did move the ground from up front to a ground wire running to the back (in the main cable loom, an extra ground wire to the un-used connector) - thinking it might have been ground loop related (though it clearly is not a normal ground loop noise - I do have some ground loop issues).



Was still there (I think), I didn't mess with it much yesterday, and think it was there today.



I have a few more things I'll try over time. Probably use the line level outputs and see what I get from those will be next. Not ideal solution as compared to RCAs, but if they are clean, then it at least solve the noise issue.


If that video is similar to your noise, itís most likely the RCAs picking up iBus communication noise along the chassis of the car. I replaced my cheapo RCAs with some Stinger 8000 series and the noise is completely gone

- Darrell

2001 M5 - Jet Black / Black Sport Interior
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post #352 of 354 Old 1st July 2019, 05:02 PM Thread Starter
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Originally Posted by Larry's M5 View Post
Anyone know if there's any description page for the I-Bus App update? The only difference I can tell is the car image now shows if head/taillights are on, and even high beam etc... But haven't gone through all the settings to check, anything new that's useful?

https://download.ibus-app.de/Changel...angelog_en.txt

- Darrell

2001 M5 - Jet Black / Black Sport Interior
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post #353 of 354 Old 1st July 2019, 08:10 PM
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Any luck with this? Does this video sound like the noise youíre hearing?

https://youtu.be/L20hQ58EIkU
Close, but not exact. Mine sounds like communication chirps, that just sounds like random "static beeps". Mine are faster, different "tones" almost. However, at a 5,000 ft level, yes, I'd say I have the same issue.

I've got decent RCAs - or at least they look good. Krystal Kable RCAs (now that I read the name, I'm skeptical!).

It's definitely related to the Resler, I just don't know if it's ibus related or grounding / power related, or something else like USB plug related (I've swapped USB plugs, same result, and I don't have the issue w/ the carplay dongle - the white one).

Is there an ibus wire from the back on the main fakra cable? I'll have to look, I think it's the grey/white with yellow strip. These things are all easy to fix, hence I try them.

Chris

2000 E39 M5 Dinan S2, Estoril Blue
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post #354 of 354 Old Today, 08:16 PM Thread Starter
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Well, this is where my adventure with the Xtrons ends. All in all, it's been a good product but it's time to move on. The final straw for me was something that I've been complaining about since the very beginning - the pathetic way this thing mounts inside the dash.

If you recall, the Xtrons-supplied brackets were complete trash. Cheap metal with one bend, holes that don't align with the E39's dash, and a missing recess that prevents the head unit from sitting flush against the brackets. Even if they'd fit correctly, the mounting is only with 2 fasteners - one in each upper corner. This means the lower part of the head unit isn't secured in any way and since there's no support anywhere else, it has a tendency to move, rattle, etc. Total ****.

As I mentioned way back when, I purchased some 3D-printed brackets from a German enthusiast. While they did resolve a few of the issues mentioned above, they have not withstood the test of time very well. The mounting screw holes are stripped, even with careful tightening. The plastic has warped badly with summer heat and each one is cracked. Better than the metal brackets, but still unacceptable in my opinion. The guy who produces these is no longer willing to ship to the US, but they are available from the iBus app store. I would not recommend them, but if you already have an Xtrons I suppose this is the best option currently available.





As my brackets deteriorated, the head unit began to squeak over bumps and I decided I'd had enough and it was time for a replacement.

I've also come to the conclusion that Apple CarPlay is the only interface I'm interested in using. It fits my needs better than any hodge-podge Android solution and it works beautifully. With the recent release of aftermarket Wireless carplay dongles, it was time for an upgrade. My plan is to simply use the Android head unit as a conduit for CarPlay and a display for my Backup camera. I have no intentions of loading any additional apps on the Android side or even connecting my phone to the head unit via Bluetooth.

I'd been eyeing the AVIN Avant 4 for quite a while. The Avant 3 was a solid unit, but it had some very unique hardware and the price was considerably higher than the Xtrons at the time. The Avant 4 however, uses the same PX5 (and now PX6) architecture as the Xtrons and most other popular Android units and is sold at a very competitive price point.

What makes the Avant 4 unique is: t's designed to use the OE BMW aluminum navigation mount, which all US-Spec M5 have. I have this installed now and I'm very pleased with the fit. It's very secure and the reinstallation of the OE bracket has also restored support to both the upper and lower dash pieces. The lack of an optical drive also means this fits the E39 much better. No interference issues with the HVAC box and plenty of room for all the adapters, etc.

Wireless Carplay works like a champ, I'm very impressed so far. The Resler interface connection is integrated into the AVIN adapter harness, so no splicing or soldering required.

If you're in the market for an Android device, the Avant 4 is absolutely the way to go, particularly if you're starting with a Nav-equipped E39. At this point, I see no reason to bother with an Xtrons, Eonon, etc. Just order the AVIN and be done with it.

AVIN on the left, Xtrons on the right








- Darrell

2001 M5 - Jet Black / Black Sport Interior
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