I was quoted around £750 for the parts from my BMW dealer plus the fitting. You can get Carbon Fibre trim for around £950 or nearer £1400 from ACS. I'm told that some bits are easy to change whilst other parts (around the shift lever for example) are very fiddly (and easy to damage). I've got Light Poplar on Cream Beige in my 4.8is and it's a perfect match, I can't say I ever tire of it. Because I'm getting a new 4.8is shortly I've gone for a complete change around and chose Black leather with Dark Poplar, but either looks good.

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