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Ditching the RF's for MPS4's

Alloy wheels and tyre discussion
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tominator
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Ditching the RF's for MPS4's

Post by tominator » Wed May 24, 2017 9:18 pm

With the Z4's mot due early next month and the two rear tyres pretty much illegal, and the fronts not faring much better I thought it time to ditch the run flats and go with Michelin pilot sport 4's.
The two rears have worn quite badly on the inner shoulder compared to the rest of the tyre tread. Due to this wear the car will need an alignment doing!
Can anyone recommend what type of wheel alignment I should have?

I feel that I have negotiated a good deal on the tyres standard 225/40 18, and 255/35 18 Mps4's at £490 all in fitted, balenced, etc.

How does this price compare to what others have paid?

Baza
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Ditching the RF's for MPS4's

Post by Baza » Wed May 24, 2017 9:44 pm

I paid for identical £475.20 Inc Vat from Black circle but it was June last year.So sounds like you did good.
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tominator
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Ditching the RF's for MPS4's

Post by tominator » Thu May 25, 2017 11:59 pm

So, I had the MPS4's fitted today and was very skeptical as to what the outcome would be.

No tyre pressure warning lights, and first impressions whilst driving home in busy traffic is all good, apart from maybe slightly noisier than the RF, and it feels a softer ride!
Took it for a drive down an A road where it used to tram line like crazy......not any more, the difference is like night and day. :thumbsup:
I'm very pleased apart from one thing, I have a broken spring on the rear :headbang:
I shall be ordering a pair of Suplex springs and hopefully will fit myself before the MOT :D

Perhaps the inner tread wear on the rear tyres was due to the broken spring??? would it still be advisable to have a four wheel alignment done, and If so what type of alignment is recommended?

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groovy_hippy
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Ditching the RF's for MPS4's

Post by groovy_hippy » Sat May 27, 2017 10:26 am

I've got a set of Pilot sport 4s turning up on Tuesday - I'm going from 16in runflats to 18in non run flats. Having driven my other half's dad's zed on 18in non run flats I was converted :D
Current ... 2007 Z4 Coupe 3.0si Sport | Manual | Alpine White | Black leather | Piano black dash
Intro to Zeds, now sold... 2007 Z4 2.5i SE Roadster | Manual | Stratus Grey | Red Leather | CDV delete | DLV backbox

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groovy_hippy
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Ditching the RF's for MPS4's

Post by groovy_hippy » Sat May 27, 2017 10:28 am

And broken springs do all sorts of funny things to your geometry - I didn't have an alignment after mine was replaced but it won't do any harm....
Current ... 2007 Z4 Coupe 3.0si Sport | Manual | Alpine White | Black leather | Piano black dash
Intro to Zeds, now sold... 2007 Z4 2.5i SE Roadster | Manual | Stratus Grey | Red Leather | CDV delete | DLV backbox

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kis
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Ditching the RF's for MPS4's

Post by kis » Wed Jun 28, 2017 11:56 am

tominator wrote: Thu May 25, 2017 11:59 pm Perhaps the inner tread wear on the rear tyres was due to the broken spring??? would it still be advisable to have a four wheel alignment done, and If so what type of alignment is recommended?
Rear spring may throw alignment out slightly, but the excessive inner wear is relatively standard amoung all Zeds due to the "aggressive" rear camber.
My E85 Z4 3.0i SMG

BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71

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