Quote:
Originally Posted by haru69
Hey everyone,
I've got a BMW G26, and after putting on Continental Sport Contact 7 tires, I'm getting an odd issue. When I hit around 150 km/h and give it about 50% throttle, the traction control light flashes and the engine power cuts out. It doesn't happen every time, but I'm thinking it might be tire-related. Any ideas what's going on?
new tires are the exact same spec of the previus tires i had
i already have put my old tires and there is no issues
this is the response from continental (outrageous):
Good morning.
We have examined the information provided and can confirm that the reported phenomenon is not attributable to manufacturing defects of the tires, but rather to incorrect equipment.
Since this is a BMW Xdrive vehicle with different sizes between the two axles, it is practically mandatory to install BMW-approved tires, i.e. "starred" tires, as recommended by BMW itself.
These tires have lower manufacturing tolerances than the ETRTO standard ones, to adapt to the characteristics of the Xdrive transmission, which in turn has limited tolerances.
Installing non-approved tires can lead to malfunctions of the vehicle's traction/stability control systems and, potentially, damage the mechanical parts of the transmission.
We attach a technical sheet that deals with the topic and we recommend that you only install BMW-approved tires on the vehicle.
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I didnt see anyone ask, did you verify the tires were mounted properly, they look to have inside/outside?