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):  April 11, 2005

ACE Securities Corp.
(Exact name of registrant as specified in its charter)
Delaware	333-119047	56-2088493
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
6525 Morrison Boulevard, Suite 318
Charlotte, North Carolina 28211
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code (704) 365-0569

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))

Item 8.01

Other Events

The consolidated financial statements of Ambac Assurance Corporation (“Ambac”) and subsidiaries as of December 31, 2004 and December 31, 2003 and for each of the years in the three-year period ended December 31, 2004, included in the Annual Report on Form 10-K of Ambac Financial Group, Inc. (which was filed with the Securities and Exchange Commission (the “Commission”) on March 15, 2005; Commission File No. 1-10777) as they relate to Ambac, are hereby incorporated by reference in (i) the registration statement, (ii) the prospectus and (iii) the prospectus supplement.  

Item 9.01

Financial Statements and Exhibits.

(a)

Not applicable.

(b)

Not applicable.

(c)

Exhibits:

Exhibit No.

Description

23.1

Consent of Independent Registered Public Accounting Firm of Ambac Assurance Corporation

SIGNATURES

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

ACE SECURITIES CORP.

By: /s/ Doris J. Hearn        

Name: Doris J. Hearn

Title:

Dated:  April 11, 2005

Exhibit Index

Exhibit No.	Description	Page
23.1	Consent of Independent Registered Public Accounting Firm of Ambac Assurance Corporation

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors

Ambac Assurance Corporation:

We consent to the incorporation by reference in the registration statement (No. 333-119047) of ACE Securities Corp. (the “Registrant”), in the Prospectus and in the Prospectus Supplement of the Registrant (the “Prospectus Supplement”), via the Form 8-K of the Registrant dated April 11, 2005 of our report dated March 2, 2005 on the consolidated financial statements of Ambac Assurance Corporation and subsidiaries as of December 31, 2004 and 2003, and for each of the years in the three-year period ended December 31, 2004, which report appears in the Annual Report on Form 10-K of Ambac Financial Group, Inc., which was filed with the Securities and Exchange Commission on March 15, 2005, and to the reference to our firm under the heading “Experts” in the Prospectus Supplement.  Our report refers to changes, in 2003, in Ambac Assurance Corporation’s methods of accounting for variable interest entities and stock-based compensation.

/s/ KPMG LLP       

KPMG LLP

April 11, 2005

McKee Nelson LLP

Five Times Square, 35th Floor

New York, New York  10036

Telephone:  (917) 777-4333

Facsimile:  (917) 777-4299

April 11, 2005

VIA EDGAR

Securities and Exchange Commission

Judiciary Plaza

450 Fifth Street, N.W.

Washington, D.C.  20549

RE:

ACE Securities Corp.

Automobile Receivable Backed Notes, Series 2005-A

Ladies and Gentlemen:

We have acted as counsel for ACE Securities Corp.(the “Company”).  We enclose herewith for filing, pursuant to the Securities and Exchange Act of 1934, as amended, the Company’s Current Report on Form 8-K in connection with the above-referenced transaction.

Very truly yours,

/S/ Matthew P. Joseph      

Matthew P. Joseph

Enclosure