Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In

2003 BMW M3

Change vehicle | Remove vehicle

The best Under Cargo Floor Panel Speakers for 2003 M3

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Under Cargo Floor Panel for 2003 BMW M3

Shop and compare by low prices and top features on Under Cargo Floor Panel Speakers that fit your BMW M3. After you add to cart, we'll also make sure you get an affordable car speakers install easily with speaker adapters, speaker harnesses and other accessories like sound damping and panel tools to make installation a breeze.

Filters
DS18 ✕
Clear Filters
Reset Done
Price Range
Speaker Location
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Deals
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
Condition
Availability
filter-icon Filters & Sort

DS18 DXQ6C2

600W Peak (300W RMS) 6.5" DXQ Series 2-Way Component 4-ohm Speaker System

DXQ6C2 big
Go to item page Right Arrow Icon of Right Arrow

DS18 DXQ6C2

600W Peak (300W RMS) 6.5" DXQ Series 2-Way Component 4-ohm Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 2" Silk Dome Tweeters
• Composite Foam cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
$399.95 /set

In stock

Only 2 Left!

Add to Cart
Continue to cart
Available Offers (2) for DS18 DXQ6C2
Offer image
Flash Sale! Save at Checkout!
$399.95
$339.96 with coupon | Price details
Add to cart
Free Baffles with Select Speakers
Add both to cart
See all 6 special offers

DS18 PRO-X6.4BMPK

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

PRO-X6.4BMPK big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X6.4BMPK

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

• 500 watts Peak Each, 250 watts RMS Each
• 1" Aluminum Bullet super tweeters with ferrite magnets
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.00 in rewards to spend later

install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
4
$139.95 /set

In stock

Add to Cart
See all 10 special offers
NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 PRO-ZT69 (Sold Individually)

550W Peak (275W RMS) 6x9" PRO Series Hybrid Coaxial Midrange 4-ohm Motorcycle and Powersports Loudspeaker

PRO-ZT69 big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-ZT69 (Sold Individually)

550W Peak (275W RMS) 6x9" PRO Series Hybrid Coaxial Midrange 4-ohm Motorcycle and Powersports Loudspeaker

• 550 watts Peak, 275 watts RMS
• Aluminum Alloy Bullet Tweeter
• Water-Resistant Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.40 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
3
$113.95

In stock

Add to Cart
See all 4 special offers
Limited time!

DS18 PRO-HY6.2MSL (Sold Individually)

300W Peak (150W RMS) 6.5" Pro Hybrid Coaxial Midrange 2-ohm Speaker with Compression Driver Horn

PRO-HY6.2MSL big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-HY6.2MSL (Sold Individually)

300W Peak (150W RMS) 6.5" Pro Hybrid Coaxial Midrange 2-ohm Speaker with Compression Driver Horn

• 300 watts Peak, 150 watts RMS
• 3.15" Titanium Horn Tweeters
• Paper cone material
• Impedance: 2 ohm
• Sensitivity: 97 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
2
$79.95

In stock

Add to Cart
Used from: $55.96
See all 14 special offers
Limited time!

DS18 DXQ6C3

600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

DXQ6C3 big
Go to item page Right Arrow Icon of Right Arrow

DS18 DXQ6C3

600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 2" Silk Dome Tweeters
• Composite Foam cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $60.00 in rewards to spend later

install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
$599.95 /set

In stock

Only 2 Left!

Add to Cart
See all 6 special offers

DS18 PRO-SM6.2 (Sold Individually)

400W Peak (200W RMS) 6.5” PRO Series Shallow Midrange 2-ohm Motorcycle and Powersports Loudspeaker

PRO-SM6.2 big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-SM6.2 (Sold Individually)

400W Peak (200W RMS) 6.5” PRO Series Shallow Midrange 2-ohm Motorcycle and Powersports Loudspeaker

• 400 watts Peak, 200 watts RMS
• Water-Resistant Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
2
$64.95

In stock

Add to Cart

• 400 watts Peak, 200 watts RMS
• Water-Resistant Paper cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

DS18 PRO-ZXI694BM (Sold Individually)

600W Peak (300W RMS) 6x9” ZXi Series 4-ohm Midrange Car Loudspeaker

PRO-ZXI694BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-ZXI694BM (Sold Individually)

600W Peak (300W RMS) 6x9” ZXi Series 4-ohm Midrange Car Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Aluminum Bullet Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
4
$99.95

In stock

Only 2 Left!

Add to Cart
See all 5 special offers

DS18 PRO-X694BM (Sold individually)

400W Peak (200W RMS) 6x9” PRO-X Series 4-ohm Midrange Bullet Loudspeaker

PRO-X694BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X694BM (Sold individually)

400W Peak (200W RMS) 6x9” PRO-X Series 4-ohm Midrange Bullet Loudspeaker

• 400 watts Peak, 200 watts RMS
• Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
2
$83.95

In stock

Only 3 Left!

Add to Cart
See all 5 special offers

DS18 PRO-X8.4BM (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X8.4BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X8.4BM (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
$70.95

In stock

Add to Cart
See all 5 special offers
Limited time!

DS18 ZXI-694

720W Peak (240W RMS) 6x9” ZXI Series 2-way 4-ohm Coaxial Car Speakers

ZXI-694 big
Go to item page Right Arrow Icon of Right Arrow

DS18 ZXI-694

720W Peak (240W RMS) 6x9” ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.40 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$143.95 /pair

In stock

Add to Cart
See all 14 special offers

DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

PRO-X6.4BMSL big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

• 400 watts Peak Each, 200 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
1
$52.95

In stock

Add to Cart
See all 5 special offers

DS18 PRO-CF69.4NR (Sold Individually)

600W Peak (300W RMS) 6x9" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

PRO-CF69.4NR big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-CF69.4NR (Sold Individually)

600W Peak (300W RMS) 6x9" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Water Resistant Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.20 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$251.95

In stock

Only 3 Left!

Add to Cart
See all 4 special offers

DS18 G6.9Xi

360W Peak (120W RMS) 6x9" Gen-X Series 3-Way Coaxial 4-ohm Car Speakers

G6.9Xi big
Go to item page Right Arrow Icon of Right Arrow

DS18 G6.9Xi

360W Peak (120W RMS) 6x9" Gen-X Series 3-Way Coaxial 4-ohm Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 2.3" and 1.1" Mylar Balanced Dome dual tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
$76.95 /pair

In stock

Only 3 Left!

Add to Cart
See all 14 special offers

DS18 PRO-HY69.2MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 2-ohm Shallow Loudspeaker

PRO-HY69.2MSL big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-HY69.2MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 2-ohm Shallow Loudspeaker

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 2 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$119.95

In stock.

Add to Cart

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 2 ohm
• Sensitivity: 97 dB

DS18 PRO-HY69.4MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 4-ohm Shallow Loudspeaker

PRO-HY69.4MSL big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-HY69.4MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 4-ohm Shallow Loudspeaker

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$119.95

In stock.

Add to Cart

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

DS18 PRO-HY69MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 8-ohm Shallow Loudspeaker

PRO-HY69MSL big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-HY69MSL (Sold Individually)

350W Peak (175W RMS) 6x9" PRO Series Hybrid 8-ohm Shallow Loudspeaker

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$119.95

In stock.

Add to Cart

• 350 watts Peak, 175 watts RMS
• 3.15" Titanium Horn driver
• Water-Resistant Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

DS18 PRO-GM6.4B (Sold Individually)

480W Peak (140W RMS) 6.5" PRO-GM Series 4-ohm Midrange Bullet Loudspeaker

PRO-GM6.4B big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-GM6.4B (Sold Individually)

480W Peak (140W RMS) 6.5" PRO-GM Series 4-ohm Midrange Bullet Loudspeaker

• 480 watts Peak, 140 watts RMS
• Red Aluminum Bullet tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
12
List price $34.95
-14% $29.99

In stock.

Add to Cart

DS18 PRO-HY69.4B

500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

PRO-HY69.4B big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-HY69.4B

500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

• 500 watts Peak Each, 250 watts RMS Each
• Water Resistance Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $17.40 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
$173.95

In stock

Only 1 Left!

Add to Cart

DS18 PRO-CF6.4

600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

PRO-CF6.4 big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-CF6.4

600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

• 600 watts Peak, 300 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $15.00 in rewards to spend later

install icon

Free or discounted install kits when available.

additional information required
Fits select locations in your M3.
Add vehicle details to confirm exact location.
$149.95

In stock

Add to Cart

• 600 watts Peak, 300 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

DS18 PRO-X698BM

550W Peak (275W RMS) 6x9” PRO-X Series 8-ohm Mid-Range Loudspeaker

PRO-X698BM big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X698BM

550W Peak (275W RMS) 6x9” PRO-X Series 8-ohm Mid-Range Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$83.95

In stock.

Add to Cart
See all 5 special offers
NVX - Worth the Envy - Direct to Consumer Car Audio
1 2 3 Next

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Under Cargo Floor Panel Speakers in 2003 M3

    Q: Can I upgrade or change the Under Cargo Floor Panel Speakers in 2003 BMW M3?

    A: Yes this page includes all the best Under Cargo Floor Panel Speakers that work in your M3.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store     Delete

    2003 BMW M3

    2017 Mazda 3

    2009 Ford Taurus

    1955 Ford Thunderbird

    1996 Saturn SW2

    1996 Chevrolet Corvette

    2003 Chevrolet Cavalier

    2011 Ford Focus

    2017 Chevrolet Silverado 1500

    1996 Eagle Talon

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 2003 M3
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.

    Additional information:

    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon
    Back

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo