M2/3/4 437M on E85 si

Alloy wheels and tyre discussion
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Darkangelv2
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M2/3/4 437M on E85 si

Post by Darkangelv2 » Sun Feb 14, 2021 11:19 pm

Hi all

Just wanted to share my latest update.

I fitted the 437M today -

9” Fronts ET29 with 225/35
10” Rears ET40 with 255/35

Both Kumho Ecsta PS91.

The above tyre sizes do look ok but don’t offer much rim protection (I’m not going near any curbs!!). There’s no rubbing but I’m on BC Coilovers with CSL geometry.

First drive and they feel good - these are a lightweight forged wheel which is why I wanted them.

I’ll update here as I learn more about the wheels, tyres and setup :thumbsup:
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BMW Z4 2006 2.5SI - 403M Wheels - Strut Brace - H&R ARBs
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3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2

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Armscarf
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M2/3/4 437M on E85 si

Post by Armscarf » Fri Feb 19, 2021 1:37 am

Looking good, they certainly fill the arches. :thumbsup:

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Wyldie85
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M2/3/4 437M on E85 si

Post by Wyldie85 » Fri Feb 19, 2021 8:10 am

Nice. I like those. Makes it look very muscular and stealth.
2006 Silver grey 2.5si Convertible - Sold
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Darkangelv2
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M2/3/4 437M on E85 si

Post by Darkangelv2 » Fri Feb 19, 2021 3:08 pm

Thanks both!

Just want a dry day so i can give the car a proper clean, the new tyres a gentle ragging and can muck about with the suspension! :cry:
BMW Z4 2006 2.5SI - 403M Wheels - Strut Brace - H&R ARBs
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3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2

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M2/3/4 437M on E85 si

Post by True-Blue » Fri Feb 19, 2021 8:26 pm

I’m really fancying a set of these for my E89, looking good :thumbsup:
E89 20i in VO with factory Black roof 8)

Previous Z4’s : E85 3.0Si Silver sold at 29.5k miles, E85 Silver 3.0Si se, E85 3.0i, E86 3.0 Si, E85 2.5si

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Darkangelv2
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M2/3/4 437M on E85 si

Post by Darkangelv2 » Thu Apr 08, 2021 10:22 am

Small update:

1) Really enjoying the Kumhos. They’ve inspired confidence and not left me wanting. But ultimately my car only has 218 hp so really I’m operating well below what they were designed for. Hoping to do some track days to really test them later in the summer once my mate has finished rebuilding his GTA. At £400 for the 4, they’re definitely great value.

2) I want to fettle the front end slightly from a ‘looks’ perspective - ie. shave 3-5MM off the mating face of the wheel just to reduce poke slightly.

3) I should have gone with 235/35 on the front. I’m confident it would have fitted and would have looked a little less stretched on the wheel. Rears are spot on.
BMW Z4 2006 2.5SI - 403M Wheels - Strut Brace - H&R ARBs
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3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2

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M2/3/4 437M on E85 si

Post by LeeZ4MR » Thu Apr 08, 2021 12:37 pm

That looks really good with those wheels on it. 8) :thumbsup:

I have the same wheels on my F82 M4 and I'm a really big fan of them. :)
Current...BMW F82 M4 Coupe 2018
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Darkangelv2
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M2/3/4 437M on E85 si

Post by Darkangelv2 » Thu Apr 08, 2021 9:16 pm

LeeZ4MR wrote: Thu Apr 08, 2021 12:37 pm That looks really good with those wheels on it. 8) :thumbsup:

I have the same wheels on my F82 M4 and I'm a really big fan of them. :)
What surprised me was the M4C wheels that followed them were heavier! Seemed illogical.

I’m settled with these wheels now - won’t be changing for a while now I think :thumbsup:
BMW Z4 2006 2.5SI - 403M Wheels - Strut Brace - H&R ARBs
Image
3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2

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