Quote:
Originally Posted by car62
People just won't give up when they want to do something. It's been known for four years that the Z4M doesn't benefit from changing the airbox to an aftermarket filter. Certainly the next owner won't appreciate having the car hacked like that. Should have saved the money for something worth doing.
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If you read the DIY, nothing was permanently modified on the car. Everything can be returned back to stock. This was done because it is half of the price of the cheapest Z4M offering... I think you are missing the point.