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Old 09-09-2007, 01:16 PM
Ron Stygar's Avatar
Ron Stygar Ron Stygar is offline
19,585 Miles
Location: CT
Join Date: Mar 2002
Posts: 11,141
Mein Auto: Z4 M Coupe 6LL93033
Originally Posted by Palantirion View Post
-I've read that this has to do with legal consequences of producing a speedo that underreads. If I remember correctly, a speedo can be up to -1 to +5mph off without incurring a fine or recall. But the penalty for exceeding the -1mph is much more severe so most manufacturers aim for +4mph. I wish I could remember where I read all this.
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