- Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* McMahon John Dennis	2. Issuer Name and Ticker or Trading Symbol BMC SOFTWARE INC [ BMC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __ X __ Officer (give title below) _____ Other (specify below) Sr VP of WW Sales & Services
(Last) (First) (Middle) 2101 CITYWEST BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY) 9/15/2009
(Street) HOUSTON, TX 77042 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	9/15/2009		M		4711	A	$1.77	182988	D
Common Stock	9/15/2009		M		4434	A	$11.06	187422	D
Common Stock	9/15/2009		M		29410	A	$1.77	216832	D
Common Stock	9/15/2009		M		2306	A	$4.32	219138	D
Common Stock	9/15/2009		M		7176	A	$11.06	226314	D
Common Stock	9/15/2009		M		6737	A	$3.99	233051	D
Common Stock	9/15/2009		M		7515	A	$18.80	240566	D
Common Stock	9/15/2009		S ⁽¹⁾		4637	D	$37.489	235929	D
Common Stock	9/15/2009		S ⁽¹⁾		2100	D	$37.5486	233829	D
Common Stock	9/15/2009		S ⁽¹⁾		11400	D	$37.5307	222429	D
Common Stock	9/15/2009		S ⁽¹⁾		17910	D	$37.4889	204519	D
Common Stock	9/15/2009		S ⁽¹⁾		100	D	$37.65	204419	D
Common Stock	9/15/2009		S ⁽¹⁾		2800	D	$37.5548	201619	D
Common Stock	9/15/2009		S ⁽¹⁾		4376	D	$37.4728	197243	D
Common Stock	9/15/2009		S ⁽¹⁾		2634	D	$37.4767	194609	D
Common Stock	9/15/2009		S ⁽¹⁾		1800	D	$37.5447	192809	D
Common Stock	9/15/2009		S ⁽¹⁾		1306	D	$37.4549	191503	D
Common Stock	9/15/2009		S ⁽¹⁾		1000	D	$37.57	190503	D
Common Stock	9/15/2009		S ⁽¹⁾		1707	D	$37.49	188796	D
Common Stock	9/15/2009		S ⁽¹⁾		1709	D	$37.49	187087	D
Common Stock	9/15/2009		S ⁽¹⁾		2199	D	$37.49	184888	D
Common Stock	9/15/2009		S ⁽¹⁾		1900	D	$37.5626	182988	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Employee Stock Option (Right to Buy) ⁽²⁾	$1.77	9/15/2009		M			4711	⁽³⁾	11/15/2015	Common Stock	4711	$0	0	D
Employee Stock Option (Right to Buy) ⁽²⁾	$11.06	9/15/2009		M			4434	⁽⁴⁾	4/5/2013	Common Stock	4434	$0	2609	D
Employee Stock Option (Right to Buy) ⁽²⁾	$1.77	9/15/2009		M			29410	⁽⁵⁾	11/15/2015	Common Stock	29410	$0	0	D
Employee Stock Option (Right to Buy) ⁽²⁾	$3.99	9/15/2009		M			6737	⁽⁶⁾	10/18/2012	Common Stock	6737	$0	1685	D
Employee Stock Option (Right to Buy) ⁽²⁾	$4.32	9/15/2009		M			2306	⁽⁷⁾	11/14/2012	Common Stock	2306	$0	937	D
Employee Stock Option (Right to Buy) ⁽²⁾	$11.06	9/15/2009		M			7176	⁽⁸⁾	4/5/2013	Common Stock	7176	$0	4222	D
Employee Stock Option (Right to Buy) ⁽⁹⁾	$18.80	9/15/2009		M			7515	⁽¹⁰⁾	7/24/2013	Common Stock	7515	$0	0	D

Explanation of Responses:
( 1)	The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on June 15, 2009.
( 2)	Stock option grant from the BladeLogic 2001 Stock Option and Grant Plan.
( 3)	Vests monthly from 5/12/2008 to 3/12/2009.
( 4)	Vests monthly from 5/5/2008 to 7/5/2010.
( 5)	Vests monthly from 5/12/2008 to 3/12/2009.
( 6)	Vests monthly from 5/18/2008 to 12/18/2009.
( 7)	3,171 shares vest monthly from 5/18/2008 to 2/18/2010 and 72 shares vest on 3/18/2010.
( 8)	Vests monthly from 5/5/2008 to 7/5/2010.
( 9)	Stock option grant from the BladeLogic 2007 Stock Option and Grant Plan.
( 10)	Vests on 12/24/2008.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
McMahon John Dennis 2101 CITYWEST BLVD. HOUSTON, TX 77042			Sr VP of WW Sales & Services

Signatures
Christopher C. Chaffin, Attorney-in-fact for John McMahon		9/17/2009
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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