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USA spec 3.0i and 35i 130MPH restiction?

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Breaker
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USA spec 3.0i and 35i 130MPH restiction?

Post by Breaker » Thu Oct 22, 2009 11:40 am

Reading the USA BMW website yesterday, I noticed that unless you have the "sport pack" option (that isn't a UK spec package) that both the 3.0i and 35i cars are restricted to 130MPH? :o

That basically means it goes from a 6 speed car to a 4!! :P

Why? :?

Also the 35i seems to have lost 6BHP?

http://www.bmwusa.com/Standard/Content/ ... tions.aspx

http://www.bmwusa.com/Standard/Content/ ... tions.aspx
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by Smokin » Thu Oct 22, 2009 1:59 pm

Why? Insurance and liability. I think most cars are restricted to 130-135 mph. Supercars? not sure, but if you can afford one of those, you can afford the insurnace and tickets.

Besides, speed limit in most areas outside town are 55mph, interstate highways vary from 55mph to 80mph, so 130 will still get you in trouble. :)
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by Breaker » Thu Oct 22, 2009 4:18 pm

Smokin wrote:Why? Insurance and liability. I think most cars are restricted to 130-135 mph. Supercars? not sure, but if you can afford one of those, you can afford the insurnace and tickets.:)
Really! I didn't know that!
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by klarky » Thu Oct 22, 2009 5:34 pm

seems a bit odd, what about race tracks, dont they have those with a straight long enough to get beyond 130 mph?
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by bmwtech2003 » Sun Dec 06, 2009 4:53 pm

The tires that are equipped on a non sport pack aren't rated to goto 155. It's a liability to the factory to enable a car to go faster then the OE tires can handle. Sport pack cars have higher speed ratings on the tires from the factory.
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by powerontap » Sun Dec 06, 2009 7:31 pm

bmwtech2003 wrote:The tires that are equipped on a non sport pack aren't rated to goto 155. It's a liability to the factory to enable a car to go faster then the OE tires can handle. Sport pack cars have higher speed ratings on the tires from the factory.
you are correct my friend :thumbsup:
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Re: USA spec 3.0i and 35i 130MPH restiction?

Post by ChuckB » Sun Dec 06, 2009 9:33 pm

In Germany you can't register or re-register a car whose tire rating doesn't exceed the top speed of the car. I had a 1998 318ti, US Spec in Germany and had to replace the tires in order to get a registration for it. All Z4s sold in Germany are fitted with "W" rated tires, the only exception are BMW Snow Tire sets which are "H" rated and require the shop installing them to set the speed warning at 210 KPH [130MPH].

There is also a gentlemen's agreement among German car manufacturers that their cars will be limited to 250KPH [155 MPH].
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