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Swapped run flats for Unis. Wow!

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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sammyz
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Swapped run flats for Unis. Wow!

Post by sammyz » Sun Oct 09, 2016 10:04 pm

Swapped my run flats for a set of rain sport 3s. Rears needed replacing and Tyres on the Drive wanted £400 to replace all four with standard sizes.
I've read that it would be improvement but wow. Car is so much better. Steering has more feel and the adaptive suspension now feels as though it's adapting!
Car feels more planted and rough surfaces aren't unsettling the suspension when pushing on. Also, there's less road noise. All in all the car feels so much better I really can't think of a better £ for £ mod you could do to an e89. Rain sports seem excellent and hopefully today's run out with Andy will have scrubbed them in.
Yas Marina Blue 35i.

paulgs1000
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Swapped run flats for Unis. Wow!

Post by paulgs1000 » Sun Oct 09, 2016 10:11 pm

Good to read John - interesting that the improvement still stands for the E89 even on newer runflats :thumbsup:
Now Porsche flat 6 experience, 986S & 981S.
2006 Z4MR Imola Red/Imola Red, 2008 3.0si Sport Stratus Grey/Piano black, 2006 2.0I Sport Silver Grey Facelift. MX5, TVR Chimaera, many motorbikes.

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john-e89
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Swapped run flats for Unis. Wow!

Post by john-e89 » Sun Oct 09, 2016 10:16 pm

Excellent, sounds cracking sammyz.

Bodes well, I'll be fitting some just scrubbed in MPSS in two weeks, looking forward to it, especially after your post.
M roady...OEM CSL’s, strut brace, Remus back boxes, ZHP
MR2 MK 2
E89 35i project car...mapped 365bhp, M4 stoppers & wheels, KWV3’s, H&R front ARB, M3 front arms, strut brace Eisenmann cat back race exhaust, VRSF downpipes inbound
E89 35is
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sammyz
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Swapped run flats for Unis. Wow!

Post by sammyz » Sun Oct 09, 2016 10:23 pm

john-e89 wrote:Excellent, sounds cracking sammyz.

Bodes well, I'll be fitting some just scrubbed in MPSS in two weeks, looking forward to it, especially after your post.
I think you'll be pleased with the result especially on MPSS
Yas Marina Blue 35i.

*AL*
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Swapped run flats for Unis. Wow!

Post by *AL* » Tue Oct 11, 2016 7:44 pm

I upgraded my wheels to 19" with Uniroyal rainsport 3s, they are fantastic tyres, very grippy but sidewalls are soft and pressing on you can feel this. I increased the pressures slightly and they are much better.
2009 (59) Z4 E89 3.0i Sdrive in deep sea blue, white extended leather, I-drive, folding mirrors. Suzuki GSX 1300R Hayabusa

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