Exhibit (a)(4)








June , 2000

TO:           UNIT HOLDERS OF BROWN-BENCHMARK PROPERTIES LIMITED
              PARTNERSHIP

SUBJECT:      OFFER TO  PURCHASE UNITS  by MP VALUE FUND 6,  LLC; MP VALUE  FUND
              4, LLC; MORAGA FUND 1, L.P.; ACCELERATED HIGH  YIELD INSTITUTIONAL
              INVESTORS, LTD.; ACCELERATED HIGH YIELD  INSTITUTIONAL FUND, LTD.;
              ACCELERATED  HIGH  YIELD  PENSION  INVESTORS,  LTD.;   ACCELERATED
              HIGH  YIELD  INCOME FUND 1, LTD.;  MP-DEWAAY FUND, LLC;  MP FALCON
              FUND, LLC; and MACKENZIE SPECIFIED INCOME FUND, L.P. (collectively
              the "Purchasers")

Dear Unit Holder:

             You should recently have received our Offer to Purchase and related
Letter of Transmittal (the  "Offer"), by which we are offering to purchase up to
125,000 Units of limited  partnership  interest (the "Units") in BROWN-BENCHMARK
PROPERTIES   LIMITED   PARTNERSHIP,    an   Delaware   limited  partnership (the
"Partnership"). We are hereby extending the Expiration Date of our Offer to July
3, 2000 and increasing our purchase price to:

                                  $15 per Unit

less the amount of any distributions  declared or made with respect to the Units
between May 5, 2000 and July 3, 2000, or such other date to which this Offer may
be further extended.

        The Offer will provide you with an  opportunity  to liquidate  all, or a
portion of, your investment in BROWN-BENCHMARK  PROPERTIES  LIMITED  PARTNERSHIP
without the usual  transaction costs associated with market sales or partnership
transfer fees.

         After carefully reading the enclosed Offer, if you elect to tender your
Units,  mail  (using the  enclosed  pre-addressed,  postage  paid  envelope)  or
telecopy a duly  completed and executed copy of the Letter of  Transmittal  (the
purple form) and Change of Address forms,  and any other  documents  required by
the Letter of Transmittal, to the Depositary for the Offer at:

MacKenzie Patterson, Inc.,
1640 School Street
Moraga, California 94556
Facsimile: (925) 376-7983
E-Mail Address: offers@mackpatt.com

             If you have  already  tendered  Units  by  submitting  a Letter  of
Transmittal (the pink form),  there is no need to submit a new transmittal form.
All  selling  Unit  holders  will  receive  the  highest  price  offered  by the
Purchasers regardless of the date of tender or the form used.

If you have any  questions or need  assistance,  please call the  Depository  at
800-854-8357.

This Offer expires (unless extended) July 3, 2000