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

2013 BMW 640i

Change vehicle | Remove vehicle

The best Under Front Seat Speakers for 2013 640i

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

Under Front Seat for 2013 BMW 640i

Shop and compare by low prices and top features on Under Front Seat Speakers that fit your BMW 640i. 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
filter-icon Filters & Sort
Limited time!

Metra OS-BMW4RV2

360W Peak (120W RMS) 4" OptiSound Series Direct Replacement 2-way Coaxial 4-ohm Speakers for

OS-BMW4RV2 big
Go to item page Right Arrow Icon of Right Arrow

Metra OS-BMW4RV2

360W Peak (120W RMS) 4" OptiSound Series Direct Replacement 2-way Coaxial 4-ohm Speakers for

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome tweeters
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Direct fit for

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

VIP Product Get $19.20 in rewards to spend later

found car based on your search
Fits your 640i
List price $213.99
-10% $191.99

In stock

Only 2 Left!

Add to Cart
See all 8 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

Install kits available for most vehicles

found car based on your search
Fits the following location in your 640i
  • Under Front Seat
1
$70.95

In stock

Add to Cart
Used from: $49.67
See all 5 special offers
Limited time!

Diamond Audio VSP4BMW

160W Peak (80W RMS) 4" VSP Series 2-way 4-ohm Component Speaker Set for select 2003-2025 vehicles from BMW

VSP4BMW big
Go to item page Right Arrow Icon of Right Arrow

Diamond Audio VSP4BMW

160W Peak (80W RMS) 4" VSP Series 2-way 4-ohm Component Speaker Set for select 2003-2025 vehicles from BMW

• 80 watts Peak Each, 40 watts RMS Each
• Silk Dome tweeters
• Reinforced Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85.6 dB

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

VIP Product Get $50.00 in rewards to spend later

found car based on your search
Fits your 640i
$499.99

In stock

Only 1 Left!

Add to Cart
See all 8 special offers

DS18 PRO-X8.4BM (Sold Individually) (Open Box, Great)

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) (Open Box, Great)

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your 640i
  • Under Front Seat
List price $70.95
-30% $49.67

In stock

Only 1 Left!

Add to Cart

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

DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

(2) PRO-X8.4BM, XBAF8, SDRLR1, SDSK2, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 500 watts Peak
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your 640i
  • Under Front Seat
141
List price $224.61
-16% $187.71

In stock

Only 3 Left!

Add to Cart

• 500 watts Peak
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

Limited time!

Metra OS-BMW4V4

690W Peak (230W RMS) 4" OptiSound Series Direct Replacement Front Door 2-Way Component 4-ohm Speakers for

OS-BMW4V4 big Out of stock
Go to item page Right Arrow Icon of Right Arrow

Metra OS-BMW4V4

690W Peak (230W RMS) 4" OptiSound Series Direct Replacement Front Door 2-Way Component 4-ohm Speakers for

• 345 watts Peak Each, 115 watts RMS Each
• 1" Silk Dome tweeters
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Direct fit for

Free Speaker Accessory at Checkout!
VIP Star Icon

VIP Product Get $28.80 in rewards to spend later

found car based on your search
Fits your 640i
List price $319.99
-10% $287.99
Add to Cart

• 345 watts Peak Each, 115 watts RMS Each
• 1" Silk Dome tweeters
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Direct fit for

 
    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 Front Seat Speakers in 2013 640i

    Q: Can I upgrade or change the Under Front Seat Speakers in 2013 BMW 640i?

    A: Yes this page includes all the best Under Front Seat Speakers that work in your 640i.

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

    2013 BMW 640i

    1983 Jeep CJ5

    2000 Audi TT

    1996 Ford Thunderbird

    2012 Audi Q7

    2004 Chevrolet Kodiak C7500

    1990 Chevrolet Caprice

    2005 Chrysler Sebring

    2018 Ford Expedition

    2000 Saturn LS

    Vehicle
    Store     Delete

    2001 Harley Davidson FLHT/I Electra Glide Standard

    2023 Harley Davidson FLHT Electra Glide Standard

    Vehicle
    Store     Delete

    2019 Can-Am Defender MAX HD8 DPS

    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 2013 640i
    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