BMW E46, E39, Z3 & Mini R50/R53 – Alarm Ultrasonic Module Top Bracket (Upper Mount)
Replaces OEM Part Numbers: 51448243666 & 51440141043
Made in the USA – High-Quality 3D Printed ABS

This bracket is used to secure the alarm control unit, also known as the ultrasonic module, to the headliner of your BMW or Mini. It replaces the often brittle or missing factory top bracket and is a direct-fit replica of the original part.

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✅ Fitment:

• BMW 3-Series (E46) – 1999–2005

  • 323i, 325i, 328i, 330i, M3

• BMW 5-Series (E39) – 1997–2003

  • 525i, 530i, 540i, M5

• BMW Z3 Coupe – 1999–2005

• Mini Cooper (R50/R53) – 2000–2006

  • Coupe & Hatchback models

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🔧 Features:

• Replaces OEM part numbers: 51448243666, 51440141043

• 3D printed from heat- and wear-resistant ABS

• Matches the look and fit of original factory brackets

• Designed and made in the USA

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Looking for the lower bracket or sensor cover? Check out our other listings!

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Please verify fitment before purchasing.
Have questions? We’re happy to help.
Older BMW parts are getting harder to find—grab yours while you can!