Quote:
Originally Posted by Gottagofast
"According to the documentation, the weight saving is only 3.3lbs or 1.5kg"
Completely wrong.
That weight saving is compared to a regular aluminum roof. The sunroof adds about 30-40 pounds, to the worst possible place to add weight, the roof of a car.
You also can not spec M driver's package with a sunroof and are now hard limited to 155 MPH top speed as BMW deems the car unsafe to go faster because of the air pressure exerted on the glass top and all the movable parts.
Think about it, it's a zero cost option. The carbon roof is more expensive for them to make than a regular metal sunroof.
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You're right! I didn't read the full sentence "The use of a CFRP roof produces a weight saving of 3.3 lbs compared with the standard steel roof
on the G20/G22." A 30-40 lbs weight increase makes more sense. And the extra cost for the carbon roof adds a lot more in value. All true.