            Consent of Independent Registered Public Accounting Firm


We consent to the  incorporation  by  reference in the  Registration  Statements
outlined below  pertaining to the BOK Financial Thrift Plan for Hourly Employees
of our  report  as  originally  issued on June 27,  2007,  with  respect  to the
financial  statements  and schedule of the BOK Financial  Thrift Plan for Hourly
Employees included in this Annual Report (Form 11-K) for the year ended December
31, 2007:

o    Registration  Statement (Form S-8, No. 333-40280) pertaining to the Reoffer
     Prospectus  of  the  BOK  Financial  Corporation  Thrift  Plan  for  Hourly
     Employees and Trust Agreement.

o    Registration  Statement (Form S-8, No. 33-44121)  pertaining to the Reoffer
     Prospectus of the Bank of Oklahoma Master Thrift Plan and Trust Agreement.

o    Registration  Statement (Form S-8, No. 33-79834)  pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 1994 Stock Option Plan.

o    Registration  Statement (Form S-8, No. 33-79836)  pertaining to the Reoffer
     Prospectus of the BOK Financial  Corporation  Directors' Stock Compensation
     Plan.

o    Registration  Statement (Form S-8, No. 333-32649) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 1997 Stock Option Plan.

o    Registration  Statement (Form S-8, No. 333-93957) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2000 Stock Option Plan.

o    Registration  Statement (Form S-8, No. 333-62578) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2001 Stock Option Plan.

o    Registration Statement (Form S-8, No. 333-106530) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2003 Executive Incentive Plan.

o    Registration Statement (Form S-8, No. 333-106531) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2003 Stock Option Plan.

o    Registration Statement (Form S-8, No. 333-135224) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2003 Stock Option Plan.


/s/ Ernst & Young LLP

Tulsa, Oklahoma
June 26, 2008


