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2Addicts | BMW 2-Series forum Technical Topics Wheels and Tires -- Sponsored by The Tire Rack Dunlop SP Winter Sport M3 ROF vs Dunlop SP Winter Sport 4D

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      11-04-2014, 07:13 AM   #1
JohnPenz
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Dunlop SP Winter Sport M3 ROF vs Dunlop SP Winter Sport 4D

I currently have the M3 runflats and feel that they are harsh and noisy. I am happy with their winter performance though. I am thinking of switching to the Winter Sport 4D hoping for a more comfortable and quieter ride, but equal or better winter performance and dry performance. Will this switch help ride and noise? Has anybody made this switch? If so, what has been your experience? I have a temp spare, so I have coverage if a flat should occur.
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      12-07-2014, 09:04 PM   #2
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Quote:
Originally Posted by JohnPenz
I currently have the M3 runflats and feel that they are harsh and noisy. I am happy with their winter performance though. I am thinking of switching to the Winter Sport 4D hoping for a more comfortable and quieter ride, but equal or better winter performance and dry performance. Will this switch help ride and noise? Has anybody made this switch? If so, what has been your experience? I have a temp spare, so I have coverage if a flat should occur.
Thank you
I bought the 4Ds and I'm happy with them.
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      12-07-2014, 09:06 PM   #3
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I too am very very happy with my Wintersport 4D's. I am running a square 225-40/18 setup on the stock staggered M235i wheels. Performance and road harshness seems to be unchanged from the Michelin Pilot SS given the climate they are running in.
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      12-07-2014, 09:39 PM   #4
JohnPenz
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Thanks for the 4D endorsement. I just ordered them a few hours ago and appreciate your comments in the middle of my "I hope I made the right decision" phase.
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      12-08-2014, 05:42 PM   #5
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Another happy 4D owner here, although I've yet to have them out in any serious snow so far. Dry performance is equal to the OEM all-season RFT's that come on the xDrive cars, with a little more squish due to the extra siping on the blocks.
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