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1997 BMW M3

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 1997 BMW M3

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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Encore WK-2+ (WK-2-PLUS)

Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

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Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

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List price $99.99
-76% $23.99

In stock

• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

Metra 99-9000

Universal Underdash Stereo Installation Enclosure

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Universal Underdash Stereo Installation Enclosure

• Universal Underdash CD Housing
• Premium underdash housing fully encloses the unit
• Quick conversion from 2-Shaft to DIN
• High-grade ABS Plastic

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List price $33.99
-12% $29.99

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• Universal Underdash CD Housing
• Premium underdash housing fully encloses the unit
• Quick conversion from 2-Shaft to DIN
• High-grade ABS Plastic

NVX QBSTA

900W Peak (300W RMS) 11" Spare Tire Powered Subwoofer System with Remote Bass Knob

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900W Peak (300W RMS) 11" Spare Tire Powered Subwoofer System with Remote Bass Knob

• 11" Spare Tire Subwoofer System
• Built-In Class D Amplifier
• Top-mount amplifier controls
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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List price $323.99
-15% $274.99

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Used from: $179.00

• 11" Spare Tire Subwoofer System
• Built-In Class D Amplifier
• Top-mount amplifier controls
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Stinger SHD21

HPM Series Power or Ground Distribution Block with Satin Chrome Finish

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HPM Series Power or Ground Distribution Block with Satin Chrome Finish

• HPM Series Power or Ground Distribution Block
• Two 1/0 Gauge or 4 Gauge Inputs
• Four 4/8 Gauge Outputs
• Multiple Input/Output Design
• Protective Cover Included
• Corrosion Resistant Satin Chrome Finish

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List price $49.00
-51% $23.99

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• HPM Series Power or Ground Distribution Block
• Two 1/0 Gauge or 4 Gauge Inputs
• Four 4/8 Gauge Outputs
• Multiple Input/Output Design
• Protective Cover Included
• Corrosion Resistant Satin Chrome Finish

NVX NE101S

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo

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Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $83.99
-17% $69.99

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• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX VCW82 Version 3 (VCW82v3)

1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

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1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

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List price $203.99
-17% $169.99

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Metra 95-9999

Double DIN Stereo Installation Trim Kit

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Double DIN Stereo Installation Trim Kit

• Universal 4" Double DIN Installation Trim Kit
• Accommodates ISO double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $33.99
-59% $13.99

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• Universal 4" Double DIN Installation Trim Kit
• Accommodates ISO double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

SMD DD-1+

Distortion Detector/Analyzer

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Distortion Detector/Analyzer

• Check Gain Overlap Settings
• Input Voltage Capacity Raised to 200Vrms
• RMS AC Voltmeter Built-in

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List price $314.98
$304.98

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• Check Gain Overlap Settings
• Input Voltage Capacity Raised to 200Vrms
• RMS AC Voltmeter Built-in

Limited time!

Kicker 47QL7R122

4800W Peak (2400W RMS) Loaded Quad 12" Vented Enclosure

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4800W Peak (2400W RMS) Loaded Quad 12" Vented Enclosure

• Ported enclosure with 4 12" Solo-Baric L7R Series Subwoofer
• 2400 watts RMS (4800 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 28" L x 20-1/4" H x 35-7/8" W

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List price $1599.99
Save $400.03
-25% $1,199.96

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Stinger SPXRGBUBKIT8

8-Piece Underbody RGB LED Light Kit

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8-Piece Underbody RGB LED Light Kit

• 8-way RGB LED Underbody Light Kit
• IP65 water-resistant rating
• Bright CREE light pods
• Controllable LED colors and patterns via Android or iOS app

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List price $429.00
-30% $299.00

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• 8-way RGB LED Underbody Light Kit
• IP65 water-resistant rating
• Bright CREE light pods
• Controllable LED colors and patterns via Android or iOS app

AudioControl SPK-10S2

700W Peak (500W RMS) 10" Spike Series Single 2-ohm High-Performance Car Subwoofer

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700W Peak (500W RMS) 10" Spike Series Single 2-ohm High-Performance Car Subwoofer

• Peak Power: 700 watts
• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Paper Fiber with Mica Coating Cone
• Rubber Surround
• Mount depth: 5.32"
• Sensitivity: 82.2488 dB

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List price $229.00
-9% $209.00

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Stinger SVMR

Red LED Voltage Display

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Red LED Voltage Display

• Red LED Voltage Display
• Universal Mounting
• Monitor System Voltage
• Easy Installation

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13
List price $49.00
-49% $24.99

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• Red LED Voltage Display
• Universal Mounting
• Monitor System Voltage
• Easy Installation

Wet Sounds WW-8CH-LD

8-Channel Line Driver with Remote Controller and LED Signal

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8-Channel Line Driver with Remote Controller and LED Signal

• 8-Channel line driver with remote controller
• 4 pairs of adjustable outputs
• Remote level adjustments of Ch 5/6 and Ch 7/8
• Dual color LEDs for signal level monitoring and setup
• Sealed construction designed for marine applications

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$199.99

In stock

Only 2 Left!

• 8-Channel line driver with remote controller
• 4 pairs of adjustable outputs
• Remote level adjustments of Ch 5/6 and Ch 7/8
• Dual color LEDs for signal level monitoring and setup
• Sealed construction designed for marine applications

Metra 44-UA20 Antenna

Replacement Amplified Hide-Away Antenna

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Replacement Amplified Hide-Away Antenna

• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

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List price $76.99
-57% $32.99

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• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

NVX VAD10001 v2 (VAD10001v2)

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $227.99
-8% $209.99

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List price $227.99
-8% $209.99
$178.49 with coupon | Price details
2026-06-30 23:59:00
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

American International SG-650DX

Universal 0.5" Spacers for 6.5" Speakers

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Universal 0.5" Spacers for 6.5" Speakers

• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

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List price $19.99
-60% $7.99

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• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

Crimestopper SPLCD-52

2-Way 5-Button Remote Start Keyless Entry Replacement LCD Remote

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2-Way 5-Button Remote Start Keyless Entry Replacement LCD Remote

• 2-Way 5-Button Replacement LCD Remote
• Up to 3000 feet of range (0.56 miles)
• Replacement remote for SP-502

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List price $89.95
-11% $79.99

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• 2-Way 5-Button Replacement LCD Remote
• Up to 3000 feet of range (0.56 miles)
• Replacement remote for SP-502

NVX VAD17001 v2 (VAD17001v2)

3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

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35
List price $335.99
-23% $259.99

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Available Offers (2) for NVX VAD17001 v2 (VAD17001v2)
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List price $335.99
-23% $259.99
$220.99 with coupon | Price details
2026-06-30 23:59:00
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

XS Power D3100

3000W 872 Ah Absorbent Glass Mat (AGM) Car Battery

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3000W 872 Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat (AGM) Car Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4000W audio stereo systems
• Compatible with many Domestic and Japanese vehicles

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List price $549.99
-9% $499.99

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NVX XW4BK5

5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

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5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

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List price $29.99
-33% $19.99

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• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

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    FAQ for Universal-Fit Audio & Electronics in 1997 M3

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1997 BMW M3?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your M3.

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    • Vehicle produced after 2005: Inside driver's side door
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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.