UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 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) March 18, 2005

RESIDENTIAL  FUNDING MORTGAGE SECURITIES I, INC. (as company under a Pooling and
Servicing  Agreement,  dated as of March 1, 2005, providing for, inter alia, the
issuance of Mortgage Pass-Through Certificates, Series 2005-S2)

                 Residential Funding Mortgage Securities I, Inc.
             (Exact name of registrant as specified in its charter)


             DELAWARE                  333-106093-18          75-2006294
             --------                   ----------            ----------
   (State or Other Jurisdiction        (Commission         (I.R.S. Employer
        of Incorporation)              File Number)      Identification No.)


8400 Normandale Bake Blvd.
Suite 250
Minneapolis, Minnesota                                              55437
----------------------                                              -----
(Address of Principal                                             (Zip Code)
Executive Offices)


Registrant's telephone number, including area code, is (952) 857-7000



<PAGE>


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 (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12(b)  under the Exchange Act (17
CFR 240.14a-12(b))

[ ] 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>



Item 8.01.     Other Events.

               On March 24, 2005,  Residential  Funding  Mortgage  Securities I,
Inc.  caused the  issuance and sale of the  Mortgage  Pass-Through  Certificates
Series  2005-S2,  pursuant to the Pooling and Servicing  Agreement,  dated as of
March 1, 2005,  among  Residential  Funding  Mortgage  Securities  I,  Inc.,  as
company,  Residential  Funding  Corporation,  as master  servicer and U.S.  Bank
National Association, as Trustee.

Item 9.01.     Financial Statements and Exhibits.

               (a) Not applicable

               (b) Not applicable

               (c) Exhibits:

               10.1  Series  Supplement,  dated  as of  March  1,  2005,  to the
Standard Terms of Pooling and Servicing Agreement, dated as of December 1, 2004,
among Residential Funding Mortgage  Securities I, Inc., as company,  Residential
Funding Corporation,  as master servicer, and U.S. Bank National Association, as
trustee.



<PAGE>





                                   SIGNATURES


               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 thereunto duly authorized.

                                         RESIDENTIAL FUNDING MORTGAGE
                                         SECURITIES I, INC.



                                         By:     /s/Heather Anderson
                                         Name:   Heather Anderson
                                         Title:  Vice President


Dated:  April 7, 2005



<PAGE>





                              EXHIBIT INDEX


         Item 601(a) of                                             Sequentially
Exhibit  Regulation S-K                                               Numbered
 Number    Exhibit No.                    Description                   Page
 ------    -----------                    -----------                   ----
   1            4           Series Supplement, dated as of March         7
                            1, 2005, to the Standard Terms of
                            Pooling and Servicing Agreement, dated
                            as of December 1, 2004, among
                            Residential Funding Mortgage
                            Securities I, Inc., as company,
                            Residential Funding Corporation, as
                            master servicer, and U.S. Bank
                            National Association, as trustee.


<PAGE>


                                    EXHIBIT 1

<PAGE>
[{"type": "8-K", "sequence": "1", "filename": "s28kss.txt", "description": "2005 S2", "secsgml_size_bytes": 4657}]
{"company-data": {"conformed-name": "RFMSI Series 2005-S2 Trust", "cik": "0001321431", "assigned-sic": "6189", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-106093-18", "film-number": "05740376"}, "business-address": {"street1": "8400 NORMANDALE LAKE BLVD", "street2": "SUITE 250", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437", "phone": "9528327000"}, "mail-address": {"street1": "8400 NORMANDALE LAKE BLVD", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437"}}
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 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) March 18, 2005

RESIDENTIAL  FUNDING MORTGAGE SECURITIES I, INC. (as company under a Pooling and
Servicing  Agreement,  dated as of March 1, 2005, providing for, inter alia, the
issuance of Mortgage Pass-Through Certificates, Series 2005-S2)

                 Residential Funding Mortgage Securities I, Inc.
             (Exact name of registrant as specified in its charter)

             DELAWARE                  333-106093-18          75-2006294
             --------                   ----------            ----------
   (State or Other Jurisdiction        (Commission         (I.R.S. Employer
        of Incorporation)              File Number)      Identification No.)

8400 Normandale Bake Blvd.
Suite 250
Minneapolis, Minnesota                                              55437
----------------------                                              -----
(Address of Principal                                             (Zip Code)
Executive Offices)

Registrant's telephone number, including area code, is (952) 857-7000
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 (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12(b)  under the Exchange Act (17
CFR 240.14a-12(b))

[ ] 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))
Item 8.01.     Other Events.

               On March 24, 2005,  Residential  Funding  Mortgage  Securities I,
Inc.  caused the  issuance and sale of the  Mortgage  Pass-Through  Certificates
Series  2005-S2,  pursuant to the Pooling and Servicing  Agreement,  dated as of
March 1, 2005,  among  Residential  Funding  Mortgage  Securities  I,  Inc.,  as
company,  Residential  Funding  Corporation,  as master  servicer and U.S.  Bank
National Association, as Trustee.

Item 9.01.     Financial Statements and Exhibits.

               (a) Not applicable

               (b) Not applicable

               (c) Exhibits:

               10.1  Series  Supplement,  dated  as of  March  1,  2005,  to the
Standard Terms of Pooling and Servicing Agreement, dated as of December 1, 2004,
among Residential Funding Mortgage  Securities I, Inc., as company,  Residential
Funding Corporation,  as master servicer, and U.S. Bank National Association, as
trustee.
SIGNATURES

               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 thereunto duly authorized.

                                         RESIDENTIAL FUNDING MORTGAGE
                                         SECURITIES I, INC.

                                         By:     /s/Heather Anderson
                                         Name:   Heather Anderson
                                         Title:  Vice President

Dated:  April 7, 2005
EXHIBIT INDEX

         Item 601(a) of                                             Sequentially
Exhibit  Regulation S-K                                               Numbered
 Number    Exhibit No.                    Description                   Page
 ------    -----------                    -----------                   ----
   1            4           Series Supplement, dated as of March         7
                            1, 2005, to the Standard Terms of
                            Pooling and Servicing Agreement, dated
                            as of December 1, 2004, among
                            Residential Funding Mortgage
                            Securities I, Inc., as company,
                            Residential Funding Corporation, as
                            master servicer, and U.S. Bank
                            National Association, as trustee.
EXHIBIT 1