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F12 / F13 M6 & F06 M6 Gran Coupe (2012 - current)
The third generation M6 based on the BMW F12/F13 6 Series and shares its 7-speed M-DCT gearbox, BMW S63 V8 engine and other technology with the F10 BMW M5. The F06 M6 Gran Coupe, based on the F06 6 series also shares the same engine, transmission and technology.

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Old 07-19-2019, 05:23 PM
BlackBear BlackBear is offline
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Handling problems: Caused by Tires or Suspension?

My 2013 M6 Cab came with 295 rear Michelin Super Sports and 265 Pirelli in the front and the car is a true pain to drive. Handling is the worst of any BMW I have ever driven. No stability at all. No hook up. Not planted on the road. It is all over the place.

Is the core problem the mixture of Pirelli in the front and Michelin in the rear or do I have a blown shock?

I would hate to buy new Michelins and still have the same issue.

Can I run a 265 35 20 Michelin 4S front with a 305 30 20 Michelin Cup 2 without handling/ABS/TCS problems?

The 305 rear is 27.2" compared to 27.0 for the 295.

Another thing is that I get no TPMS data in i-Drive. Does that mean the batteries in the sensors are dead? No errors or warnings are showing.

Thank you.
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Old 07-19-2019, 06:03 PM
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Doug Huffman Doug Huffman is offline
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Last edited by Doug Huffman; 07-19-2019 at 06:05 PM.
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Old 07-20-2019, 08:40 AM
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QSilver7 QSilver7 is offline
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Mein Auto: 2006 X5 4.4/2013 650ix GC
If you get no TPMS data in iDrive...and you have mis-matched tires...are you sure that the wheels actually have TPMS sensors installed? Or you could have the wrong sensors installed...or the batteries could be dead.

In regards to tire size...just do a simple google search for a "tire size calculator"...they are easy to find on the internet...and you can tell if the overall rolling circumference is within spec to prevent issues with DSC/ABS issues due to differences between tire rotation between the front/rear axles.

What type of Pirelli tires do you have mounted? Just giving the brand name doesn't tell us much (makes it vague) in comparing them to the Michelin Super Sports which are a summer performance tire. Is the Pirella ??? a summer tire, too? Or is it an all season? It could make a difference.

EDIT: was just reading a thread on another forum where an M6 owner had Pirelli PZero tires mounted and was having handling issues...they changed to Michelins and transformed the handling...here's a direct link: https://www.6post.com/forums/showthread.php?t=1522826
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Last edited by QSilver7; 07-20-2019 at 09:34 AM.
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