Unfortunately, this Iphone blue tooth integration with the BMW will be a hit and miss thing. Since the BMW blue tooth is considered an after market BT from the Iphone's perspective, the pairing would still be okay but the quality will suck intermittently. Certain phone manufacturers have recommended BT products to pair with their phones. I'm trying to do my own little research to find out who actually made the "phone" part on the Iphone and who made the Blue Tooth part on the E70. This should give us a better idea if compatibility will be an issue. Hopefully somebody in this forum might have some of the answers.

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2007 E70 3.0