Quote:
Originally Posted by Gr8 Ape
I've read a number of posts that suggest that M550l's (at least pre-LCI) came to the US with 130 mph speed limiter. However, when I look at 2018-2019 ordering and pricing guides, stock M550i's came with 19" performance runflats (i.e., tires that would be safe at 155 mph). The only option that would would've been non-performance were in 2019 where 19" all-seasons were offered. Am I missing something here? If the speed limiter was based on tire ratings, wouldn't pre-LCI cars (absent choosing the all-season option) have a speed limiter of 155?
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The speed limiter was determined by the rims/tire combo chosen at build. If you chose the 20" rims or the staggered 19", only tire option was summer performance tires - 155mph.
If you wanted all season tires you would get the 19" rims square set up. However it also meant non performance tires and speed limit of 130 at factory.