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): November 25, 2004

                                      CWA

                                  (Depositor)

       (Issuer in respect of Asset Backed Certificates, Series 2004-BC4)

                (Exact name of registrant as specified in charter)

Delaware                      33-63714                      95-4449516
(State or other               (Commission File No.)         (I.R.S. Employer
    jurisdiction of                                         Identification No.)
    organization)



, , N/A                                                     91110-7137
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: (818)-304-4428

                                 Not Applicable
              (Former name, former address and former fiscal year,
                          if changed 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 pusuant 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))





                    Section 8 - Other Events

  Item 8.01  Other Events

                    9 - Financial Statements and Exhibits

  Item 9.01  Financial Statements and Exhibits






                                   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.

Dated: November 25, 2004


                                      CWA


                          By: /s/ Courtney Bartholomew
                              ------------------------------
                          Name:   Courtney Bartholomew
                                  Vice President
                                  The Bank of New York,
                                  as Trustee







                                 EXHIBIT INDEX



Exhibit


99                  Monthly Remittance Statement dated November 25, 2004


                             Payment Date: 11/25/04


          ------------------------------------------------------------
                      Countrywide Home Loans Servicing LP
                   Asset Backed Certificates, Series 2004-BC4
          ------------------------------------------------------------



Class Information                                Current Payment Information

- ----------------------------------------------------------------------------------------------------------------------------------
                                 Beginning       Pass Thru     Principal       Interest      Total           Principal  Interest
Type       Class Code   Name     Cert. Bal.      Rate          Dist. Amt.      Dist. Amt.    Dist.           Losses     Shortfalls
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                             
Senior                  1A1       564,755,000.00    2.308750%    10,420,031.06  1,050,346.25   11,470,377.31       0.00       0.00
                        1A2        56,475,000.00    2.378750%     1,041,993.88    108,218.26    1,150,212.14       0.00       0.00
                        2A1        73,107,000.00    2.138750%     3,981,644.29    125,954.73    4,107,599.02       0.00       0.00
                        2A2       113,646,000.00    2.328750%             0.00    213,192.79      213,192.79       0.00       0.00
                        2A3        31,517,000.00    2.478750%             0.00     62,932.23       62,932.23       0.00       0.00
                        M1         45,500,000.00    2.658750%             0.00     97,450.57       97,450.57       0.00       0.00
                        M2         22,500,000.00    2.808750%             0.00     50,908.59       50,908.59       0.00       0.00
                        M3         11,500,000.00    2.958750%             0.00     27,409.53       27,409.53       0.00       0.00
                        M4         12,000,000.00    3.258750%             0.00     31,501.25       31,501.25       0.00       0.00
                        M5         11,500,000.00    3.358750%             0.00     31,115.09       31,115.09       0.00       0.00
                        M6         10,000,000.00    3.458750%             0.00     27,862.15       27,862.15       0.00       0.00
                        M7         12,500,000.00    4.458750%             0.00     44,897.14       44,897.14       0.00       0.00
                        M8          7,500,000.00    4.958750%             0.00     29,959.11       29,959.11       0.00       0.00
                        B           7,500,000.00    4.958750%             0.00     29,959.11       29,959.11       0.00       0.00
                        C         1,000,000,000.00    0.000000%             0.00  3,314,720.68    3,314,720.68       0.00       0.00
                        P                 100.00    0.000000%             0.00    263,333.57      263,333.57       0.00       0.00
Residual                AR                100.00    0.000000%           100.00          0.00          100.00       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        980,000,200.00     -           15,443,769.23  5,509,761.07   20,953,530.30     -          -
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          1A1       554,334,968.94              0.00
                                1A2        55,433,006.12              0.00
                                2A1        69,125,355.71              0.00
                                2A2       113,646,000.00              0.00
                                2A3        31,517,000.00              0.00
                                M1         45,500,000.00              0.00
                                M2         22,500,000.00              0.00
                                M3         11,500,000.00              0.00
                                M4         12,000,000.00              0.00
                                M5         11,500,000.00              0.00
                                M6         10,000,000.00              0.00
                                M7         12,500,000.00              0.00
                                M8          7,500,000.00              0.00
                                B           7,500,000.00              0.00
                                C         984,556,330.77              0.00
                                P                 100.00              0.00
Residual                        AR                  0.00              0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -        964,556,430.77     -
- --------------------------------------------------------------------------------



                             Payment Date: 11/25/04


          ------------------------------------------------------------
                      Countrywide Home Loans Servicing LP
                   Asset Backed Certificates, Series 2004-BC4
          ------------------------------------------------------------



Class Information                                Current Payment Information

                                                      Factors per $1,000

- ------------------------------------------------------------------------------------------------------------------------
                                   Beginning     Pass Thru    CUSIP       Principal     Interest    Ending Cert./
Type        Class Code    Name   Cert. Bal.(Face)  Rate       Numbers       Dist.         Dist.     Notional Bal.
- ------------------------------------------------------------------------------------------------------------------------
                                                                            
- ------------------------------------------------------------------------------------------------------------------------
Senior                     1A1   564,755,000.00     2.308750% 126673KT8    18.450534      1.859826    981.549466
                           1A2    56,475,000.00     2.378750% 126673KU5    18.450534      1.916215    981.549466
                           2A1    73,107,000.00     2.138750% 126673KV3    54.463243      1.722882    945.536757
                           2A2   113,646,000.00     2.328750% 126673KW1     0.000000      1.875938  1,000.000000
                           2A3    31,517,000.00     2.478750% 126673KX9     0.000000      1.996771  1,000.000000
                           M1     45,500,000.00     2.658750% 126673KY7     0.000000      2.141771  1,000.000000
                           M2     22,500,000.00     2.808750% 126673KZ4     0.000000      2.262604  1,000.000000
                           M3     11,500,000.00     2.958750% 126673LA8     0.000000      2.383437  1,000.000000
                           M4     12,000,000.00     3.258750% 126673LB6     0.000000      2.625104  1,000.000000
                           M5     11,500,000.00     3.358750% 126673LC4     0.000000      2.705660  1,000.000000
                           M6     10,000,000.00     3.458750% 126673LD2     0.000000      2.786215  1,000.000000
                           M7     12,500,000.00     4.458750% 126673LE0     0.000000      3.591771  1,000.000000
                           M8      7,500,000.00     4.958750% 126673LF7     0.000000      3.994549  1,000.000000
                           B       7,500,000.00     4.958750% 126673LG5     0.000000      3.994549  1,000.000000
                           C     1,000,000,000.00     0.000000% 126673LH3     0.000000      3.314721    984.556331
                           P             100.00     0.000000% 126673LJ9     0.000000    2,633,335.700000  1,000.000000
Residual                   AR            100.00     0.000000% 126673LK6   1,000.000000    0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -     980,000,200.00       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                      Countrywide Home Loans Servicing LP
                   Asset Backed Certificates, Series 2004-BC4
          ------------------------------------------------------------

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Prin balance       728,537,921.49   256,018,409.28   984,556,330.77
Loan count                   4381              775             5156
Avg loan rate           6.881114%        6.587264%             6.80
Prepay amount       10,838,532.28     3,808,349.80    14,646,882.08

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Master serv fees       305,734.34       107,422.60       413,156.94
Sub servicer fees            0.00             0.00             0.00
Trustee fees             5,550.00         1,950.00         7,500.00


Agg advances                  N/A              N/A              N/A
Adv this period              0.00             0.00             0.00

- --------------------------------------------------------------------------------
                          LOSSES & INSURANCE COVERAGES
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Realized losses              0.00             0.00             0.00
Cumulative losses            0.00             0.00             0.00

Coverage Amounts                                            Total
- ----------------                                            -----
Bankruptcy                   0.00             0.00             0.00
Fraud               14,799,998.93     5,200,001.07    20,000,000.00
Special Hazard               0.00             0.00             0.00


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior          100.000000%           100.000000%            980,000,200.00
   -----------------------------------------------------------------------------
   Junior            0.000000%             0.000000%                      0.00
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           0                         0.00
60 to 89 days                           0                         0.00
90 or more                              0                         0.00
Foreclosure                             0                         0.00

Totals:                                 0                         0.00
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                REO INFORMATION
- --------------------------------------------------------------------------------
   REO Date        Loan Number     Ending Stated Balance          Book Value
   --------        -----------     ---------------------          ----------
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   Totals:                              0                            N/A

Current Total Outstanding Balance:                                      0.00
Current Total Outstanding Number of Loans:                                 0




- --------------------------------------------------------------------------------
                               OTHER INFORMATION
- --------------------------------------------------------------------------------
                                  Amount/Withdrawal     Total/Ending Bal.
                                  -----------------     -----------------
Available remittance amount           20,953,530.30         20,953,530.30
Principal remittance amount           15,443,769.23         15,443,769.23
Interest remittance amount             5,509,761.07          5,509,761.07