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Atacama Yellow 35is build thread

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Pondrew
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Atacama Yellow 35is build thread

Post by Pondrew » Mon Sep 26, 2022 8:26 pm

B21 wrote: Sun Sep 25, 2022 6:11 pm now just a whiff of pinus
You should shower more often! :lol: :lol:
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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B21
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Atacama Yellow 35is build thread

Post by B21 » Thu Oct 06, 2022 4:43 pm

Sparky has struck..,power, lights , internet

Pictures uploaded via the new garage hotspot bliss
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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..

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Atacama Yellow 35is build thread

Post by Reamesy » Fri Oct 07, 2022 10:56 am

Looking good Peter. You will be spending some late nights over winter in there :thumbsup:
Currently; 2011 E89 23i SDrive M Sport Highline Titan Silver
Previously;
2014 SLK250CDI AMG Sport
2012 E89 SDrive 2.0 M Sport. White
2011 Audi TT Quattro
2006 Z4 2.5 Sport
2013 420D coupe
2002 Z3 2.2 Sport
1996 Z3 1.9

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peeblezZ4
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Atacama Yellow 35is build thread

Post by peeblezZ4 » Fri Oct 07, 2022 4:23 pm

B21 wrote: Thu Oct 06, 2022 4:43 pm Sparky has struck..,power, lights , internet

Pictures uploaded via the new garage hotspot bliss
Plasma screen going in for youTube tutorials etc, etc?
Current - '12 Space Grey 640i Auto SE Convertible :?
Previous
'11 E89 Sapphire Black 35i auto M-Sport :heat: Sold August 2023
'13 E89 Valencia Orange 2.0 Auto M-Sport (Sold on another whim) :-?
'03 E85 Titanium Silver 2.5i Auto (Sold on a whim) :?

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B21
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Atacama Yellow 35is build thread

Post by B21 » Fri Oct 07, 2022 4:50 pm

peeblezZ4 wrote: Fri Oct 07, 2022 4:23 pm
B21 wrote: Thu Oct 06, 2022 4:43 pm Sparky has struck..,power, lights , internet

Pictures uploaded via the new garage hotspot bliss
Plasma screen going in for youTube tutorials etc, etc?
Yes being installed next week..LCD actually.. :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..

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B21
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Atacama Yellow 35is build thread

Post by B21 » Fri Oct 07, 2022 4:51 pm

Reamesy wrote: Fri Oct 07, 2022 10:56 am Looking good Peter. You will be spending some late nights over winter in there :thumbsup:
Hopefully…really looking forward to working on the media systems and engine…and learning to machine polish… :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..

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Smartbear
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Atacama Yellow 35is build thread

Post by Smartbear » Fri Oct 07, 2022 5:53 pm

B21 wrote: Fri Oct 07, 2022 4:51 pm
Reamesy wrote: Fri Oct 07, 2022 10:56 am Looking good Peter. You will be spending some late nights over winter in there :thumbsup:
Hopefully…really looking forward to working on the media systems and engine…and learning to machine polish…
Here’s a useful tutorial, grasshopper :thumbsup:
https://youtu.be/Bg21M2zwG9Q
Rob
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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B21
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Atacama Yellow 35is build thread

Post by B21 » Fri Oct 07, 2022 9:51 pm

Smartbear wrote: Fri Oct 07, 2022 5:53 pm
B21 wrote: Fri Oct 07, 2022 4:51 pm
Reamesy wrote: Fri Oct 07, 2022 10:56 am Looking good Peter. You will be spending some late nights over winter in there :thumbsup:
Hopefully…really looking forward to working on the media systems and engine…and learning to machine polish…
Here’s a useful tutorial, grasshopper :thumbsup:
https://youtu.be/Bg21M2zwG9Q
Rob
Not quite what I was looking for :tumbleweed: :thumbsdown: :rofl:
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..

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Atacama Yellow 35is build thread

Post by Smartbear » Fri Oct 07, 2022 10:15 pm

B21 wrote: Fri Oct 07, 2022 9:51 pm
Smartbear wrote: Fri Oct 07, 2022 5:53 pm
B21 wrote: Fri Oct 07, 2022 4:51 pm Hopefully…really looking forward to working on the media systems and engine…and learning to machine polish…
Here’s a useful tutorial, grasshopper :thumbsup:
https://youtu.be/Bg21M2zwG9Q
Rob
Not quite what I was looking for :tumbleweed: :thumbsdown: :rofl:
:lol:
Rob
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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Atacama Yellow 35is build thread

Post by B21 » Sat Oct 15, 2022 6:26 pm

Well 5 months on and 6,000 miles later I’ve just replaced the back pair of 275/30 19 SC7s….

As you can see the originals were down to the 1.6mm tread wear bar..obviously long past the suggested 3mm replace limit..

So the good news…

Much better feel than the Michelin MP4S…steering much more communicative…you can feel what the front end is doing.

Prodigious grip in both dry and damp / moist roads…never ever slid and only spun a little if applying 400 BHP in first and second.

Seemed quieter to me and Andy McD when compared to the MP4S

The as expected..

Ride comfort more or less on a par with MP4S

Not so good

Very bad trampling when admittedly worn much past their official replacement limit

Very bad in wet conditions when worn, but again, given the width and wear maybe not surprising.

The tramlining got in part may be due to quite large increases in camber..I plan to back those off next week.

With these weekends run forecast to be wet at times thought it prudent to put next seasons rears on…what a transformation…almost no trampling and cope with quite remarkably deep puddles.

Premium rubber at a premium price…wear rates are I guess what you pay for to have enough grip to contain 400 BHP of E89 being flung around..interesting despite a lot of camber evev wear rate…so must be going round corners to wear evenly..
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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..

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Atacama Yellow 35is build thread

Post by B21 » Mon Oct 31, 2022 7:58 pm

The winter tear down slated for starting tomorrow is delayed as still waiting for tracking to be revised…local super accurate unit is out of service…looking at a back up version…

I put too much camber on..resulting in great cornering capabilities but twitchy in straight lines and very bad tramlining as tyres wore down.

Awaiting a change to 1.5 front and 1.75 rear to see how that feels….stock was 0.5 and 2.0…did have 2.5 and 2.5

Still amassing various parts ready for the big strip down.

Latest goody is an uprated fuel pump controller…aka EKP…stock units tend to overheat if being asked to pump too much fuel.

A US company takes a stock EKP unit and replaces the main system chip with a later more uprated chip..here’s hoping that does the trick.

https://www.amazon.com/ET3-Design-Inc-1 ... B09Y3MT86H

I’ve now secured the good offices of a N54 tuner who will hopefully be able to produce a cracking tune for both the engine and gearbox based on MHD and xHP technologies..

Before we tear down the existing setup we need to do some baseline runs to see how the existing hardware is coping…should be amusing trying to get 400 BHP down in 3rd on damp roads..
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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..

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Atacama Yellow 35is build thread

Post by B21 » Wed Nov 16, 2022 6:11 pm

After several months of work on both the new garage and seemingly interminable time spent organising, cleaning and sorting I’m please to declare the B21 Zed overhaul and repair facility open!

The flatpack garage kit went up pretty fast and all seemed well in the summer.

However as the autumn came on, I was surprised at how quickly mould started to develop….in part due to the warm conditions and in part to the untreated wood which the manufacturers did state need treating.

Also surprising a number of leaks from knots, damp proof course layout issues and even through the gaps in the tongue and groove timbers.

Systematically we worked our way through the leaks and sadly had to say goodbye to the fresh pine look…we used Sikkens wood stain in two shades to try and blend the old structures with the new..so a lot of painting took place.

In parallel one of the shed sections was converted into a pony shelter as part of the overall negotiation with SWMBO.

So I’ve now got a 4 section facility,..

A ‘hangar’ for the car]

A dirty room for any cutting n grinding

A clean room for assembly and maintenance of sub assemblies

A lab for work on fine details, programming and IT support

No excuses now not to get on with things…

One very big garage would have been nice..sadly just not feasible from where we started…
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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..

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Atacama Yellow 35is build thread

Post by Nanu » Wed Nov 16, 2022 8:51 pm

Garage is far too tidy and that's a lot of computer screens???
G29 M30i M Sport San Francisco Red

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E89 35is Valencia Orange
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E89 25i White

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B21
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Atacama Yellow 35is build thread

Post by B21 » Wed Nov 16, 2022 9:15 pm

Nanu wrote: Wed Nov 16, 2022 8:51 pm Garage is far too tidy and that's a lot of computer screens???
I'll try and keep it tidy..once it slips it sometimes takes me too long to then tidy up..

My last home office had 13 screens for various operationally restricted reasons..now I've retired just down to 5... :tumbleweed: :rofl:
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..

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Atacama Yellow 35is build thread

Post by R.E92 » Wed Nov 16, 2022 10:48 pm

That's pretty much exactly what I'd end up with if I built a garage. No need to actually go back into the house at all :)

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