Mich. Comp. Laws § 557.267

Sec. 7. (1) If a surviving spouse has apparent title to property to which this act applies, a purchaser for value or a lender taking a security interest in the property takes his interest in the property free of any rights of the personal representative or an heir or devisee of the decedent. (2) If a personal representative or an heir or devisee of the decedent has apparent title to property to which this act applies, a purchaser for value or a lender taking a security interest in the property takes his interest in the property free of any rights of the surviving spouse. (3) A purchaser for value or a lender need not inquire whether a vendor or borrower acted properly. (4) The proceeds of a sale or creation of a security interest shall be treated in the same manner as the property transferred to the purchaser for value or a lender.