Aluminum weighs a lot less than cast iron, so there should be decent weight savings. Would like to know the specs though.
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2015 F15 X5 25d Space Gray | Pure Excellence | Dakota Leather/Brushed Aluminium | Anthracite Head Liner | Fender Flares | Connected Drive + Real Time Traffic
2012 F30 335i Sapphire Black
2006 E92 325i Titan Silver
2000 E46 318i Cosmos Black
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