Rockford Fosgate T3-BMW1

4" 2-way direct-fit component speakers for select BMW models

Item #: 575T3BMW1

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Rockford Fosgate T3-BMW1

Plug-n-play perfection

This Rockford Fosgate T3-BMW1 component speaker system gives you a big sonic upgrade for your ultimate driving machine. Built exclusively for use in select 2010-up BMW models, these speakers fit directly into your vehicle's speaker openings with BMW factory connectors that simplify installation.

BMW quality

Manufactured in Germany, this component system upholds the power and performance expectations you have for your car. The system's 4" woofer uses a tri-laminate fiber cone that is both light and stiff, ensuring precise bass and midrange articulation. A 1" silk dome tweeter handles the high-frequency range with impressive detail. You can power this system with your BMW radio and hear excellent results, but these speakers will really shine when you add outboard amplification.

Installation note: To ensure that this direct-fit model is compatible with your BMW, please enter your vehicle information or call an Advisor at 1-888-955-6000.


  • BMW direct-fit component speakers
  • 4" tri-laminate injection molded fiber woofercone
  • 1" ceramic coated tweeter with neodymium motor
  • inline tweeter crossover
  • fits select 2010-up BMW models (OEM Frame Style-1 compatible)
  • frequency response: 75-20,000 Hz
  • power range: 2-50 watts RMS (100 watts peak)
  • sensitivity: 87 dB
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • 2 Woofers
  • 2 Tweeters
  • 2 Tweeter bezels
  • Two 6" Lengths of tweeter wire with in-line crossovers and proprietary plugs on both ends (connects the tweeter to the woofer)
  • 2 Strips of installation putty
  • Owner's manual

Product Research


Woofer Cones: The woofer cones are two layers of glass fiber sandwiched around a Nomex honeycomb core. The woofer frame is made from glass fiber reinforced poly-carbonate. The BMW factory wire harness plugs into one port on the woofer, and the included tweeter wire plugs into the other port.

Tweeters: The 1" silk dome tweeters use neodymium magnets and a glass fiber reinforced polyamide frame.

Crossovers: The crossovers are wired in-line with the included tweeter wire. One end of the wire is terminated with a single proprietary plug that fits a port on the midrange. The other end of the wire has two identical tweeter plugs, giving you two output level options; flat (labeled Reference) and +3 dB.

Klippel Optimized Components: For a driver to reproduce complex sounds accurately, the cone must move exactly the same distance and manner in both directions. The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Rockford Fosgate optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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