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Maintenance of roof and Frozen Grey color

Discussing the current generation Z4
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Bart9140
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Maintenance of roof and Frozen Grey color

Post by Bart9140 » Tue Feb 11, 2020 10:45 am

Does any one have tips what the best way is to maintain the roof (never had a soft-top before) and the special paint Frozen Grey ?

First pictures:
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handymanuk
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Maintenance of roof and Frozen Grey color

Post by handymanuk » Tue Feb 11, 2020 1:48 pm

Lovely colour! I’m also keen to know the answers to these questions.
2020-now: G29 Z4 M40i, Frozen Grey with Cognac, Tech Pack, Visibility Pack and Wind Deflector
2017-2020: Audi TTS
2015-2017: BMW M235i
2014-2015: BMW E89 Z4 23i sDrive Highline

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MrPT
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Maintenance of roof and Frozen Grey color

Post by MrPT » Tue Feb 11, 2020 1:51 pm

A few layers of clear coat and a polish will finish the job nicely. :poke:
2008 Z4MC: heavy wheels | crap suspension | skittish rear end | wobbly engine | not enough induction noise | underwhelming turn in | inconsistent braking | lardy battery | chubby steering wheel
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mr wilks
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Maintenance of roof and Frozen Grey color

Post by mr wilks » Tue Feb 11, 2020 1:54 pm

MrPT wrote: Tue Feb 11, 2020 1:51 pm A few layers of clear coat and a polish will finish the job nicely. :poke:
Applied with a light emery paper or wire wool for best results :P
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Maintenance of roof and Frozen Grey color

Post by Still Learning » Tue Feb 11, 2020 2:17 pm

I also considered a dual action rotary polisher and some wire wool but i decided on this stuff instead:

https://gyeonquartz.com/product/matte/

The kit contains a foam pad and several small cloths. You wrap a cloth over the foam pad and use it to apply the coating from the small bottle half a panel at a time.
Once it starts to 'flash' give it a wipe with a microfibre cloth and check that any residue has been removed.

A couple of days later, give it a wipe over with the milky stuff from the larger bottle and it is done.

It's a really easy process and the finish is superb. The surface goes very slippery without any gloss.


For the roof I've used the Autoglym kit in the past. To prevent getting it on the windows and bodywork I pour some of the bottle into a bowl and use a paint brush for the edges of the roof. It ends up very waterproof - water beads for at least 3-months after.
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Bart9140
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Maintenance of roof and Frozen Grey color

Post by Bart9140 » Wed Feb 12, 2020 6:36 pm

Next week car will be given a treatment by Protech:
https://protech.mc/nl/3dplus/?gclid=Cjw ... itement3d+

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Obs-Com
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Maintenance of roof and Frozen Grey color

Post by Obs-Com » Wed Feb 12, 2020 8:17 pm

Bart9140 wrote: Tue Feb 11, 2020 10:45 am Does any one have tips what the best way is to maintain the roof (never had a soft-top before) and the special paint Frozen Grey ?

I have a Frozen Orange First Edition and was concerned about caring for matte paint having read a few scare stories. However, I have to say that it’s probably easier to look after than gloss finish and is less time consuming. Obviously, major blemishes can’t be polished out as with a normal paint finish but the fact that the car has a matte finish, means you’re not constantly striving for the perfect, all over shine. As long as you use the right products in the right way it should be quicker to clean and maintain. The following method with the specific matte products works well for me:

Use a two bucket wash system with grit guards. Autoglym Pure Shampoo works great and has no additives that will add shine. I then use Autoglym Rapid Aqua Wax whilst the car is wet and spread with one microfibre a then dry with another. Any dust and blemishes are easily taken care of between washes with Nanolex Final Finish detailer. When I first brought the car home I also used Dr Beasley’s Matte Paint Cleanser followed by a Matte Paint Coating. Very easy to apply and provides paint protection. I plan to cleanse and coat again in spring.

I’ve added a couple of photos that hopefully shows how good matte paint can look. It got a clean last week and the matte finish looked fabulous in the low winter sun. Orange or Grey, I think both matte colours look great!
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2011-14: E89 2.3sDrive
2014-16: E89 35is - Valencia Orange X2 (gone but not forgotten)
2016-17: F33 440i
2017-17: E85 2.5si
2017-19: F87 M2 - Long Beach Blue DCT (Stunning)
2019-23: G29 M40i First Edition (more stunning than the M2)
2023-??: G23 M440i

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Maintenance of roof and Frozen Grey color

Post by enzed4 » Wed Feb 12, 2020 9:00 pm

Still Learning wrote: Tue Feb 11, 2020 2:17 pm
For the roof I've used the Autoglym kit in the past. To prevent getting it on the windows and bodywork I pour some of the bottle into a bowl and use a paint brush for the edges of the roof. It ends up very waterproof - water beads for at least 3-months after.
I read this again and again on the forum - how well the top gets waterproofed and how it 'beads'.
And yet reading other information (specifically for the E85, so I'm not sure if it's still relevant for the G29) the soft top roof is multi-layer and the top layer is supposed to breathe so it doesn't dry out/crack (and I suspect helps inhibit mould/mildew but I can't find anything to back that up).
I would be very surprised if the G29 roof didn't follow the same multi-layer approach, so allowing the top layer to breathe would be an important part of the upkeep of it. It has been an ongoing debate - (to waterproof it or not) for a long time, almost as important as the stubby/whippy debate :wink: .
There's a good guide here on soft top cleaning: viewtopic.php?t=37412
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Gone: 2010 35i DCT
Gone: 2008 2.5Si Sport

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Wyldie85
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Maintenance of roof and Frozen Grey color

Post by Wyldie85 » Thu Feb 13, 2020 9:04 am

Autoglym kit for the roof. Comes with two bottles and the applicator and makes water bead very well.
Just make sure you cover and don’t get it on the glass.

As for frozen grey. You can’t do much to it apart from wash it and dry it. Look for special matte paint products and nothing with shine or gloss enhancers. Ensure any bugs or bird poo are removed immediately.
It looks good but my ocd would be on overdrive living with a frozen colour.
2006 Silver grey 2.5si Convertible - Sold
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Maintenance of roof and Frozen Grey color

Post by Still Learning » Thu Feb 13, 2020 10:57 am

enzed4 wrote: Wed Feb 12, 2020 9:00 pm good stuff
Thank you - I hadn't realised this

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Maintenance of roof and Frozen Grey color

Post by Still Learning » Thu Feb 13, 2020 11:01 am

Obs-Com wrote: Wed Feb 12, 2020 8:17 pm It got a clean last week and the matte finish looked fabulous in the low winter sun
Damn...that does look good! Superb registration! :rofl:

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Maintenance of roof and Frozen Grey color

Post by Obs-Com » Thu Feb 13, 2020 2:01 pm

Still Learning wrote: Thu Feb 13, 2020 11:01 am
Obs-Com wrote: Wed Feb 12, 2020 8:17 pm It got a clean last week and the matte finish looked fabulous in the low winter sun
Damn...that does look good! Superb registration! :rofl:
:thumbsup:
2011-14: E89 2.3sDrive
2014-16: E89 35is - Valencia Orange X2 (gone but not forgotten)
2016-17: F33 440i
2017-17: E85 2.5si
2017-19: F87 M2 - Long Beach Blue DCT (Stunning)
2019-23: G29 M40i First Edition (more stunning than the M2)
2023-??: G23 M440i

Bart9140
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Maintenance of roof and Frozen Grey color

Post by Bart9140 » Thu Feb 13, 2020 3:40 pm

Thanks already and the Orange indeeds looks fabulous....but yeah, first edition :)

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