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      11-14-2012, 09:17 PM   #142
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Drives: 2018 X3 M40i
Join Date: Jul 2010
Location: Dallas, TX

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Originally Posted by RPM90 View Post
I don't think that's true.
But if you do have some info on that please post it.

Even if there were some added cooler, I don't see how that would affect top speed limit. The speed limiting factor is the lower speed rating of the AS tires.
If there is something with an added cooler that will be news to me.
Please post if you find something on that.
Well you'll can't have Increased Top Speed Limiter (840) without summer tires. And it is well known fact that Sport Line and M-sport cars have an extra cooler on the driver's side lower intake (where fog light would be) when they have summer tires. So the logical conclusion to be drawn is that option code 840 for Increased Top Speed Limiter adds the extra cooler.
2018 X3 M40i - current
2016 M3 - sold
2013 ActiveHybrid 3 - sold
2012 M3 coupe - sold