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Ultramega's 35i mod & maintenance log

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Ultramega's 35i mod & maintenance log

Post by Pondrew » Thu Feb 17, 2022 9:03 pm

B21 wrote: Thu Feb 17, 2022 8:58 pm ‘Old git’ is very pejorative..have you been speaking to my favourite fan?

FWIW I led this chappy down this slippery slope..he shows great promise
Sorry Pete, no offense intended. The word git where i'm from is a term of endearment (and you are old). :D
I'm gonna call you 'Obi one' from now on :thumbsup:
All good things come to those who wait. I'm really impatient which explains a lot.

F31 320i. Good car.
E89 20i Now fully dried
Z3 'free litre'. Project and a half. Complicated!
Mazda3 sold
Tatty old R56 Mini Cooper. Money pit!

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Ultramega's 35i mod & maintenance log

Post by B21 » Thu Feb 17, 2022 9:07 pm

Pondrew wrote: Thu Feb 17, 2022 9:03 pm
B21 wrote: Thu Feb 17, 2022 8:58 pm ‘Old git’ is very pejorative..have you been speaking to my favourite fan?

FWIW I led this chappy down this slippery slope..he shows great promise
Sorry Pete, no offense intended. The word git where i'm from is a term of endearment (and you are old). :D
I'm gonna call you 'Obi one' from now on :thumbsup:
No worries it’s actually one of your least offensive comments :poke: :fuelfire: :rofl:

A few years ago they did call me Obe-wan and at the time I thought it was a bit premature..now he looks like a young kid :tumbleweed: :thumbsup:
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Ultramega's 35i mod & maintenance log

Post by Pondrew » Thu Feb 17, 2022 9:14 pm

[/quote]
B21 wrote: Thu Feb 17, 2022 9:07 pm No worries it’s actually one of your least offensive comments
I have got better recently, though, you have to admit. Epiphany, see. :D
All good things come to those who wait. I'm really impatient which explains a lot.

F31 320i. Good car.
E89 20i Now fully dried
Z3 'free litre'. Project and a half. Complicated!
Mazda3 sold
Tatty old R56 Mini Cooper. Money pit!

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Ultramega's 35i mod & maintenance log

Post by ultramega » Thu Feb 17, 2022 9:46 pm

B21 wrote: Thu Feb 17, 2022 8:58 pm FWIW I led this chappy down this slippery slope
Indeed you did. Wouldn’t even have considered it had it not been for your detailed thread and encouragement.

Also, there’s pretty much no way on earth I can end up with it sounding any worse than it does right now!
2010 35i DCT

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Ultramega's 35i mod & maintenance log

Post by ultramega » Sun Feb 20, 2022 9:29 pm

The process of plumbing in the DSP began this weekend. I got a far as dismantling the car, getting everything connected, confirmed working. Spent an awful lot of time after that trying to get all the wiring to fit in behind the head unit. Managed to feed some of it sideways to above the glovebox.
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Still haven’t decided where I will properly install the DSP. Either where there would be a factory amp, or in the rear left corner of the boot doing away with the cubby hole.

Found a little speaker in the driver side footwell. I’m sure most on here will know what it’s for, but I don’t. Warning chimes were coming out of the door speakers, so it’s not for that. And yes, it was quite mucky in there.
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I also had a brief panic. Had the roof down, but when I plugged in the centre console switch it wouldn’t go back up again. A couple of minor panic SMS to Mr Bondar, and eventually figured out that the aircon/heater controls need to be connected for the centre console switches to work. Who would have thunk?
2010 35i DCT

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Ultramega's 35i mod & maintenance log

Post by B21 » Sun Feb 20, 2022 11:02 pm

It’s the emergency aid SOS speaker :thumbsup:
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Ultramega's 35i mod & maintenance log

Post by Silverstar » Mon Feb 21, 2022 10:53 pm

Be careful with putting the DSP / AMP in the corner cubby hole if ever you have a leak and water gets there your DSP will be toast, which is why I mounted my amp in the place where the factory amp would have been. You can mount the DSP to a wooden board which in turn can be fixed to the factory mounting points on the bulkhead.
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Ultramega's 35i mod & maintenance log

Post by ultramega » Tue Feb 22, 2022 9:01 am

Silverstar wrote: Mon Feb 21, 2022 10:53 pm Be careful with putting the DSP / AMP in the corner cubby hole if ever you have a leak and water gets there your DSP will be toast, which is why I mounted my amp in the place where the factory amp would have been. You can mount the DSP to a wooden board which in turn can be fixed to the factory mounting points on the bulkhead.
Ah okay, I think that's my decision made for me then. I do like the cubby hole, so it would have been a shame to have lost it anyway.
2010 35i DCT

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Ultramega's 35i mod & maintenance log

Post by ultramega » Tue Feb 22, 2022 7:46 pm

Doing it properly. Initial plan had been to just get the DSP installed, hooked up, put the car back together.
But as I have the car apart anyway, it makes sense to do everything. So the footwell speakers are getting replaced with these:
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And then, when I have put most of the car back together, the doors will get sound deadened and the speakers replaced.
All this means it will be longer before I can use the car again, but will save me time overall.
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Post by B21 » Tue Feb 22, 2022 7:50 pm

Be interested to hear how those babies go :thumbsup:
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Ultramega's 35i mod & maintenance log

Post by ultramega » Wed Feb 23, 2022 9:06 am

Well, based on the success mr.tourette had without even amplifying them, I'm hoping for great things!
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Post by mr.tourette » Wed Feb 23, 2022 10:12 am

ultramega wrote: Wed Feb 23, 2022 9:06 am Well, based on the success mr.tourette had without even amplifying them, I'm hoping for great things!

They're a quality speaker for sure with really nice mid bass tones, huge difference to the oe crap and even more so once amped up:thumbsup:
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Post by Silverstar » Wed Feb 23, 2022 11:15 am

mr.tourette wrote: Wed Feb 23, 2022 10:12 am
ultramega wrote: Wed Feb 23, 2022 9:06 am Well, based on the success mr.tourette had without even amplifying them, I'm hoping for great things!

They're a quality speaker for sure with really nice mid bass tones, huge difference to the oe crap and even more so once amped up:thumbsup:
I can testify to that! The Hertz woofers really have a nice sound:D
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Ultramega's 35i mod & maintenance log

Post by ultramega » Sat Feb 26, 2022 8:49 pm

Well, I'll be honest, I didn't enjoy today one bit. Replacing the woofers was a TOTAL pain. The plan had been to fabricate a ply mount for them (similar to B21) but it was going to take me too long due to space constraints. And time constraints - I already haven't used the car for the last three weeks, and I'm itching to get it out. I also have a van which has a list of things needing done, and a newly-replaced family car awaiting a thorough clean inside and out.

So, I hacked up the passenger side mount and reused the driver side mount. Despite how they look they are very secure. Having said that, I do class this as temporary. I will get my jigsaw out at some point and mount these properly, even though they will never be seen.
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Because I hadn't originally planned on even fitting these, my car is positioned in my garage such that I can only half open the drivers door. Due to that, working on the driver side woofer was the most uncomfortable task I have executed in a loooong time. I expect to be sore somewhere tomorrow.

I also fitted this, which will allow me to flick between headunit as a a source, or direct bluetooth from my phone as a source.
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I felt better by the end of the day as all wires are run and all speakers are functioning. The footwell trim panels are back in place, so the process of putting the rest of the car back together happens tomorrow morning. Thank fork.
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Ultramega's 35i mod & maintenance log

Post by B21 » Sat Feb 26, 2022 11:48 pm

I’m relieved that it turns out you are a mere mortal… :rofl:

You also answered my question about how big your garage is… :tumbleweed:

The fitment does look awful..but I understand your pain..

Will be interested to see how it sounds….well done :thumbsup:
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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