UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported):
                                 April 17, 2007

                           BOK FINANCIAL CORPORATION

             (Exact name of registrant as specified in its charter)



         Oklahoma                    000-19341              73-1373454
         --------                    ---------              ----------
(State or other jurisdiction        (Commission            (IRS Employer
     of incorporation)              File Number)         Identification No.)


  Bank of Oklahoma Tower, Boston Avenue at Second Street, Tulsa, Oklahoma 74172
                    (Address of principal executive offices)

               Registrant's telephone number, including area code:
                                 (918) 588-6000

               _____________________N/A___________________________

          (Former name or former address, if changes since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425).

|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12).

|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b)).

|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c)).

<PAGE>

                    INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.02.  Results of Operations and Financial Condition.

     On April 17, 2007, BOK Financial  Corporation  ("BOK  Financial")  issued a
press release  announcing its financial results for the three months ended March
31, 2007 ("Press  Release").  The full text of the Press  Release is attached as
Exhibit 99(a) to this report and is incorporated  herein by reference.  On April
17, 2007,  in  connection  with  issuance of the Press  Release,  BOK  Financial
released financial  information related to the three months ended March 31, 2007
("Financial   Information"),   which  includes  certain   historical   financial
information relating to BOK Financial.  The Financial Information is attached as
Exhibit 99(b) to this report and is incorporated herein by reference.

ITEM 9.01.  Financial Statements and Exhibits.

(c)      Exhibits

          99(a) Text of Press Release, dated April 17, 2007 titled
                "BOK Financial Reports First Quarter Earnings -
                Strong Loan Growth Continues, Margin Improves"

          99(b) Financial Information for the Three Months Ended March 31, 2007



                                    Signature

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


                                         BOK FINANCIAL CORPORATION

                                         By:      /s/ Steven E. Nell
                                              ------------------------------
                                              Steven E. Nell
                                              Executive Vice President
                                              Chief Financial Officer
Date:  April 17, 2007
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{"company-data": {"conformed-name": "BOK FINANCIAL CORP ET AL", "cik": "0000875357", "assigned-sic": "6021", "irs-number": "731373454", "state-of-incorporation": "OK", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-19341", "film-number": "07771890"}, "business-address": {"street1": "BANK OF OKLAHOMA TOWER", "street2": "PO BOX 2300", "city": "TULSA", "state": "OK", "zip": "74192", "phone": "9185953025"}, "mail-address": {"street1": "BANK OF OKLAHOMA TOWER", "street2": "P O BOX 2300", "city": "TULSA", "state": "OK", "zip": "74192"}}
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported):
                                 April 17, 2007

                           BOK FINANCIAL CORPORATION

             (Exact name of registrant as specified in its charter)

         Oklahoma                    000-19341              73-1373454
         --------                    ---------              ----------
(State or other jurisdiction        (Commission            (IRS Employer
     of incorporation)              File Number)         Identification No.)

  Bank of Oklahoma Tower, Boston Avenue at Second Street, Tulsa, Oklahoma 74172
                    (Address of principal executive offices)

               Registrant's telephone number, including area code:
                                 (918) 588-6000

               _____________________N/A___________________________

          (Former name or former address, if changes since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425).

|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12).

|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b)).

|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c)).
INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.02.  Results of Operations and Financial Condition.

     On April 17, 2007, BOK Financial  Corporation  ("BOK  Financial")  issued a
press release  announcing its financial results for the three months ended March
31, 2007 ("Press  Release").  The full text of the Press  Release is attached as
Exhibit 99(a) to this report and is incorporated  herein by reference.  On April
17, 2007,  in  connection  with  issuance of the Press  Release,  BOK  Financial
released financial  information related to the three months ended March 31, 2007
("Financial   Information"),   which  includes  certain   historical   financial
information relating to BOK Financial.  The Financial Information is attached as
Exhibit 99(b) to this report and is incorporated herein by reference.

ITEM 9.01.  Financial Statements and Exhibits.

(c)      Exhibits

          99(a) Text of Press Release, dated April 17, 2007 titled
                "BOK Financial Reports First Quarter Earnings -
                Strong Loan Growth Continues, Margin Improves"

          99(b) Financial Information for the Three Months Ended March 31, 2007

                                    Signature

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                         BOK FINANCIAL CORPORATION

                                         By:      /s/ Steven E. Nell
                                              ------------------------------
                                              Steven E. Nell
                                              Executive Vice President
                                              Chief Financial Officer
Date:  April 17, 2007