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2015 BMW i3

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2015 BMW i3

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Kicker QI23 (46QI23)

Q-Series 2-CH RCA Interconnection Cable 3-Meters (9.9 ft)

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Q-Series 2-CH RCA Interconnection Cable 3-Meters (9.9 ft)

• Lenght: 3 meters
• Slip free installation
• Intergrated AR™ foil shielding

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$39.99

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Ships in 10-14 days

• Lenght: 3 meters
• Slip free installation
• Intergrated AR™ foil shielding

JL Audio XD-CLRAIC2-25

25 ft. (7.62 m) 2-channel Twisted-Pair Audio Interconnect Cable w/ Molded Connectors

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25 ft. (7.62 m) 2-channel Twisted-Pair Audio Interconnect Cable w/ Molded Connectors

• 2-channel Twisted-Pair Audio Interconnect Cable
• Length: 25 Ft (7.6 M)
• Pure Oxygen Free Copper Conductors With Polyethylene Dielectrics
• Molded Connector Bodies For Extended Durability

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$44.99

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Ships in 10-14 days

• 2-channel Twisted-Pair Audio Interconnect Cable
• Length: 25 Ft (7.6 M)
• Pure Oxygen Free Copper Conductors With Polyethylene Dielectrics
• Molded Connector Bodies For Extended Durability

Stinger XI123

3 ft. X1 Series 2-Channel RCA Interconnect Cable

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3 ft. X1 Series 2-Channel RCA Interconnect Cable

• 2-channel RCA interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: blue, gray, and clear
• Length: 3 feet

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List price $59.00
-34% $39.00

In stock

Only 3 Left!

• 2-channel RCA interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: blue, gray, and clear
• Length: 3 feet

Stinger SSRCB6

Competition Series Twisted RCA Interconnect - 6 Ft

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Competition Series Twisted RCA Interconnect - 6 Ft

• 2 Male to 2 Male
•6 ft RCA Interconnect Chord
• Color: Blue

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$9.99

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Ships in 10-14 days

• 2 Male to 2 Male
•6 ft RCA Interconnect Chord
• Color: Blue

Sundown Audio SB4CH17 (SB4RCA-17)

17 Ft 4-Channel 8 Male RCA Interconnect Cable

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17 Ft 4-Channel 8 Male RCA Interconnect Cable

• 4 RCA Interconnect Cable
• Includes 4 pairs of male RCA jacks
• Solid conductor signal wire
• Twisted pair design
• Color: Red
• Length: 17 feet

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List price $47.99
-17% $39.99

In stock

Only 2 Left!

• 4 RCA Interconnect Cable
• Includes 4 pairs of male RCA jacks
• Solid conductor signal wire
• Twisted pair design
• Color: Red
• Length: 17 feet

Wet Sounds Signal Kit Starboard

5 Ft. 2-Channel and 23 Ft. 6-Channel Wet Wire RCA and PRIM3 Cables for WS-420 Equalizer Starboard Side Installs

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5 Ft. 2-Channel and 23 Ft. 6-Channel Wet Wire RCA and PRIM3 Cables for WS-420 Equalizer Starboard Side Installs

• Designed for easy installation of the WS-420 equalizer
• Designed for head units mounted on the starboard side
• Optimized for marine use with the proper length of power and ground

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List price $239.99
-42% $139.99

In stock

Only 1 Left!

• Designed for easy installation of the WS-420 equalizer
• Designed for head units mounted on the starboard side
• Optimized for marine use with the proper length of power and ground

T-Spec V10R6

6ft. RCA v10 Series 2-Channel Audio Cable

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6ft. RCA v10 Series 2-Channel Audio Cable

• 6ft. 2-Channel v10 Series RCA Interconnect Cables
• Ultra-flexible PVC blended jacket minimizes friction for easy install
• RCA interconnect audio cable
• Dual twist for improved noise rejection
• Patented high tolerance compact machined metal end

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List price $26.99
-11% $23.99

In stock

Only 1 Left!

• 6ft. 2-Channel v10 Series RCA Interconnect Cables
• Ultra-flexible PVC blended jacket minimizes friction for easy install
• RCA interconnect audio cable
• Dual twist for improved noise rejection
• Patented high tolerance compact machined metal end

JL Audio XE-BLKAIC2-25

25 Ft. 2-Channel Premium Audio RCA Interconnect Cable (Black)

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25 Ft. 2-Channel Premium Audio RCA Interconnect Cable (Black)

• 25 Ft. 2-Channel Premium Audio RCA Interconnect Cable
• Pure OFC copper conductors and polyethylene dielectrics
• Twisted-pair wire construction to reject noise
• Braided black outer jacket for protection
• Cable Length: 25 feet / 7.62 meter

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$99.99

Available

Ships in 10-14 days

• 25 Ft. 2-Channel Premium Audio RCA Interconnect Cable
• Pure OFC copper conductors and polyethylene dielectrics
• Twisted-pair wire construction to reject noise
• Braided black outer jacket for protection
• Cable Length: 25 feet / 7.62 meter

Stinger XI1220

20 ft. X1 Series 2-Channel RCA Interconnect Cable

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20 ft. X1 Series 2-Channel RCA Interconnect Cable

• 2-channel interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: blue, gray, and clear
• Length: 20 feet

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List price $79.00
-13% $69.00

Available

Ships in 10-14 days

• 2-channel interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: blue, gray, and clear
• Length: 20 feet

Stinger XI323

3 ft. X3 Series 2-Channel RCA Interconnect Cable

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3 ft. X3 Series 2-Channel RCA Interconnect Cable

• 2-channel RCA interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: black and gold
• Length: 3 feet

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List price $139.00
-22% $109.00

Available

Ships in 10-14 days

• 2-channel RCA interconnect cable
• Continuous connection construction (C3 Tech)
• Dynamic Signal Flow using OFC copper
• Noise shield directional construction
• Color: black and gold
• Length: 3 feet

Stinger SSPRCA1.5

Performance Series 1.5' Coaxial RCA Interconnect

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Performance Series 1.5' Coaxial RCA Interconnect

• Chrome Plated Ends
• Coaxial Cable Design
• 4mm Cable Diameter
• RCA Paired Male to Male

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List price $9.00
-56% $3.99

In stock

Only 3 Left!

• Chrome Plated Ends
• Coaxial Cable Design
• 4mm Cable Diameter
• RCA Paired Male to Male

Kicker QI44 (46QI44)

Q-Series 4-CH RCA Interconnection cable 4-Meters (13.12 ft)

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Q-Series 4-CH RCA Interconnection cable 4-Meters (13.12 ft)

• Length: 4 meters
• Slip free installation
• Intergrated AR™ foil shielding

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$79.99

In stock

Only 1 Left!

• Length: 4 meters
• Slip free installation
• Intergrated AR™ foil shielding

Stinger SMRCA6

19.7 ft 2-Channel Marine and Powersports RCA Interconnect Cable

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19.7 ft 2-Channel Marine and Powersports RCA Interconnect Cable

• 2-Channel Marine and Powersports RCA Interconnect Cable
• Oxygen Free Copper conductors with Polyethylene dielectrics
• Outer PVC protective jacket
• High-rate twisted pair construction
• Color: Blue

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List price $49.00
-51% $23.99

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Ships in 10-14 days

• 2-Channel Marine and Powersports RCA Interconnect Cable
• Oxygen Free Copper conductors with Polyethylene dielectrics
• Outer PVC protective jacket
• High-rate twisted pair construction
• Color: Blue

Wet Sounds WWX-RCA-6CH12FT-SHORT

12 Ft. 6-Channel Marine-Rated Wet Wire RCA Cable (Short Ends)

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12 Ft. 6-Channel Marine-Rated Wet Wire RCA Cable (Short Ends)

• 6-Channel RCA Interconnect Cables with Short Ends
• Fully-tinned Oxygen-free Copper core
• Quad-shielded design to eliminate interference
• Cable Length: 12 feet

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List price $68.99
-13% $59.99

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Ships in 10-14 days

• 6-Channel RCA Interconnect Cables with Short Ends
• Fully-tinned Oxygen-free Copper core
• Quad-shielded design to eliminate interference
• Cable Length: 12 feet

Sundown Audio SB4CH20 (SB4RCA-20)

20 Ft 4-Channel 8 Male RCA Interconnect Cable

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20 Ft 4-Channel 8 Male RCA Interconnect Cable

• 4 RCA Interconnect Cable
• Includes 4 pairs of male RCA jacks
• Solid conductor signal wire
• Twisted pair design
• Color: Red
• Length: 20 feet

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List price $53.99
-17% $44.99

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Ships in 10-14 days

• 4 RCA Interconnect Cable
• Includes 4 pairs of male RCA jacks
• Solid conductor signal wire
• Twisted pair design
• Color: Red
• Length: 20 feet

Wet Sounds WWX-RCA M-2F Y

Male to 2-Female RCA Y-Adapter Interconnect Cable

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Male to 2-Female RCA Y-Adapter Interconnect Cable

• RCA Y-adapter interconnect cables
• RCA male and two RCA female plugs
• Gold-plated RCA connectors
• Sold and priced per pair

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$35.99

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Ships in 10-14 days

• RCA Y-adapter interconnect cables
• RCA male and two RCA female plugs
• Gold-plated RCA connectors
• Sold and priced per pair

Stinger SSIB3

Stinger Select RCA Coaxial Interconnect Cable - 3 Ft

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Stinger Select RCA Coaxial Interconnect Cable - 3 Ft

• 2 Male to 2 Male
• RCA Interconnect Chord
• Color: Blue

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List price $9.00
$8.99

Available

Ships in 10-14 days

• 2 Male to 2 Male
• RCA Interconnect Chord
• Color: Blue

Kicker KI26 (46KI26)

K-series 2-CH RCA Interconnection Cables 6-Meters

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K-series 2-CH RCA Interconnection Cables 6-Meters

• 6 meters
• 2 channel
• foiling shielding
• 9dB

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$25.99

In stock

• 6 meters
• 2 channel
• foiling shielding
• 9dB

Kicker QI21 (46QI21)

Q-Series 2-CH RCA Interconnection cable, 1-Meter

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Q-Series 2-CH RCA Interconnection cable, 1-Meter

• 1 meter
• 2 channel
• Foiling shielding
• 9dB

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$29.99

In stock

• 1 meter
• 2 channel
• Foiling shielding
• 9dB

Stinger X12LINE

8" Universal RCA Male to Speaker Wire Adapter

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8" Universal RCA Male to Speaker Wire Adapter

• Universal RCA male to speaker wires adapter
• Eliminates need for line output converter
• Cable Length: 8"
• Color: Black

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List price $9.00
-11% $8.00

Available

Ships in 10-14 days

• Universal RCA male to speaker wires adapter
• Eliminates need for line output converter
• Cable Length: 8"
• Color: Black

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    FAQ for Universal-Fit Audio & Electronics in 2015 i3

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2015 BMW i3?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your i3.

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