Auto Car B800 SRS Reset Scanner OBD Diagnostic Tools for BMW - Used once on my M3 and works perfectly.  

• Displays all SRS fault codes, tells you what's wrong. Resets the "SRS" Light
• SRS light reset tool for BMW
• Reset the dashboard SRS light within seconds

Specification:

• Fit the following BMW models:
• E36 - 316 THROUGH TO M3 (SALOON, COUPE, COMPACT, CONVERTIBLE & TOURING)
• E46 - 316 THROUGH TO M3 (SALOON, COUPE, COMPACT, CONVERTIBLE & TOURING)
• E34 - ALL VARIANTS
• E38 - ALL VARIANTS
• E39 - ALL VARIANTS
• Z3 - ALL VARIANTS
• Z4 - ALL VARIANTS
• X5 - ALL VARIANTS

Package Includes:

• 1 x B800 SRS Scanner And Resetter Tool for BMW(DCVS2745YL/DE)
• 1 x OBD-II to 20 Pin Adapter Cable
• 1 x Instruction Manual