Exhibit 23.0

            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 dated June 29, 2006, 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, 2005:

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. 333-93957) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2000 Special Stock Option Plan.

o    Registration  Statement (Form S-8, No. 333-62578) pertaining to the Reoffer
     Prospectus of the BOK Financial Corporation 2001 Special 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. 333-40280) pertaining to the Reoffer
     Prospectus  of the BOK  Financial  Corporation's  Thrift  Plan  for  Hourly
     Employees.

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 29, 2006