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1991 BMW 850i

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 1991 BMW 850i

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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NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper (Open Box, Great)

1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

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1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

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• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

Limited time!

NVX XIV22

6.56 ft (2 meter) 2-Channel V-Series RCA Audio Interconnect Cable

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6.56 ft (2 meter) 2-Channel V-Series RCA Audio Interconnect Cable

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

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• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

NVX - Worth the Envy - Direct to Consumer Car Audio

Install Bay IBSSWB

Panel Switch - 6-Pin Winch

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Panel Switch - 6-Pin Winch

• For Ultra-luxury high-end vehicles
• 12-24V universal usage
• Environmentally friendly and flame retardant materials
• Suitable for refit control of all equipment in the car
• Output short-circuit protection, overload protection
• Suitable for installation and use of all 12/24v battery vehicles

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• For Ultra-luxury high-end vehicles
• 12-24V universal usage
• Environmentally friendly and flame retardant materials
• Suitable for refit control of all equipment in the car
• Output short-circuit protection, overload protection
• Suitable for installation and use of all 12/24v battery vehicles

JL Audio CLS113RG-W7AE

One 13" JL Audio 13W7AE-D1.5 Loaded in a Sealed, Rear-Firing Enclosure (Black Carpet)

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One 13" JL Audio 13W7AE-D1.5 Loaded in a Sealed, Rear-Firing Enclosure (Black Carpet)

• ProWedge 13" W7AE Loaded Sealed Subwoofer Enclosure
• 3000W Peak
• 1500W RMS
• 3 Ohm Final Impedance
• High Grade Black Carpet Finish
• Engraved JL Audio and W7 Logos
• Rear Firing Design
• 10th Anniversary Edition W7 Subwoofer

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Kicker KW16400 (46KW16400)

400 ft 16-Gauge Oxygen-Free Copper Speaker Wire

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400 ft 16-Gauge Oxygen-Free Copper Speaker Wire

• 400 feet 16 gauge K-Series Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Frosted Clear

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• 400 feet 16 gauge K-Series Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Frosted Clear

Stinger SI8217

17 Ft 2-Channel 8000 Series Audiophile Grade RCA Interconnect Cable

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17 Ft 2-Channel 8000 Series Audiophile Grade RCA Interconnect Cable

• 2-Channel 8000 Series RCA Interconnect Cable
• 17 ft. Cable Length
• Stinger Audiophile Grade
• Double Twisted Pair Construction
• Black Protective Jacket
• Triple Braided Shielding
• Locking Split-Tip Connectors
• Molded Strain Reliefs

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• 2-Channel 8000 Series RCA Interconnect Cable
• 17 ft. Cable Length
• Stinger Audiophile Grade
• Double Twisted Pair Construction
• Black Protective Jacket
• Triple Braided Shielding
• Locking Split-Tip Connectors
• Molded Strain Reliefs

PAC SWI-CP2 ControlPRO 2

(Replaces the SWI-RC) Universal Steering Wheel Control Interface, Works with Nearly All Popular Aftermarket Receivers

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(Replaces the SWI-RC) Universal Steering Wheel Control Interface, Works with Nearly All Popular Aftermarket Receivers

• Universal Steering Wheel Control Interface
• Plug and Play installation
• Provides Conguration Information for Dip Switch or Direct Flash from PC APP

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• Universal Steering Wheel Control Interface
• Plug and Play installation
• Provides Conguration Information for Dip Switch or Direct Flash from PC APP

SPL-LAB USB Noise Meter (Pro Edition)

Noise level meter with wide dynamic range.

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Noise level meter with wide dynamic range.

• Measures noise level in the entire audible range
• Defining the harmonic distortion coefficient
• Frequency range from 10 to 20,000 Hz
• Amplitude range from 80 to 150 dB
• Wide dynamic range of 70 dB
• Audio tracks for tuning (sine, sweep-tones, noise)
• Spl-Lab Measuring Center software for Windows and Android

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• Measures noise level in the entire audible range
• Defining the harmonic distortion coefficient
• Frequency range from 10 to 20,000 Hz
• Amplitude range from 80 to 150 dB
• Wide dynamic range of 70 dB
• Audio tracks for tuning (sine, sweep-tones, noise)
• Spl-Lab Measuring Center software for Windows and Android

Sound Extreme by ECOXGEAR SEI-SECSTRX

Extreme EcoCast Receiver

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Extreme EcoCast Receiver

• Power Input: 12V, 5A
• Dual receiver modes: EcoCast and Bluetooth
• Connect to any audio product with audio input jacks

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• Power Input: 12V, 5A
• Dual receiver modes: EcoCast and Bluetooth
• Connect to any audio product with audio input jacks

Rockford Fosgate Punch GF-35

Flush Mount Mesh Grilles for Rockford Fosgate 3.5" Punch V2 Speakers

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Flush Mount Mesh Grilles for Rockford Fosgate 3.5" Punch V2 Speakers

• 3.5" Punch V2 Flush Mount Speaker Mesh Grilles
• Designed for use in select Rockford Fosgate Punch V2 speakers
• Flush mount design for a seamless appearance
• Ideal for mounting low-profile speakers with shallow grilles

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• 3.5" Punch V2 Flush Mount Speaker Mesh Grilles
• Designed for use in select Rockford Fosgate Punch V2 speakers
• Flush mount design for a seamless appearance
• Ideal for mounting low-profile speakers with shallow grilles

JL Audio M-MCPv3-MC/LP

Low-Profile Fixture for 2006 - Up OEM MasterCraft Tower mount

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Low-Profile Fixture for 2006 - Up OEM MasterCraft Tower mount

• Low-Profile Fixture
• For M880-ETXv3, M770-ETXv3 and MX770-ETXv3 models
• Fixture is designed for late-model MasterCraft mounting only
• Sold in pairs

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• Low-Profile Fixture
• For M880-ETXv3, M770-ETXv3 and MX770-ETXv3 models
• Fixture is designed for late-model MasterCraft mounting only
• Sold in pairs

JBL CLUB 122SL (JBLSUBCB122SL)

1200W Peak (400W RMS) 12" Club Series Dual 2-or 4-ohm Shallow Car Subwoofer

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1200W Peak (400W RMS) 12" Club Series Dual 2-or 4-ohm Shallow Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Dual 2 or 4 ohm
• Aluminum Cone
• Hi-Roll Rubber Surround
• Mount depth: 3-1/4"
• Sensitivity: 89 dB

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NVX VUBT2v2 (VUBT2 Version 2) (Open Box, Great)

Universal Waterproof Bluetooth Audio Receiver for Cars, Vehicles, Motorcycles/ATVs & Marine/Boat Use (V-Series)

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Universal Waterproof Bluetooth Audio Receiver for Cars, Vehicles, Motorcycles/ATVs & Marine/Boat Use (V-Series)

• Bluetooth Profile: A2DP (High-Quality, Stereo Audio)
• Bluetooth Core Specification: Version 4.0 with aptX
• Outputs One Stereo Pair, Low-Level RCA Plugs
• Output Voltage: 2V RMS
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)
• Input Operating Voltage: 8 - 28 VDC

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• Bluetooth Profile: A2DP (High-Quality, Stereo Audio)
• Bluetooth Core Specification: Version 4.0 with aptX
• Outputs One Stereo Pair, Low-Level RCA Plugs
• Output Voltage: 2V RMS
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)
• Input Operating Voltage: 8 - 28 VDC

JL Audio MicroSub CP108LG-W3v3

250 Watt RMS Single 8" 8W3v3-4 Subwoofer Loaded in a Slot-Ported MicroSub Enclosure (4 ohms Final Impedance)

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250 Watt RMS Single 8" 8W3v3-4 Subwoofer Loaded in a Slot-Ported MicroSub Enclosure (4 ohms Final Impedance)

• RMS: 250W Power Handling
• Mineral-Filled Polypropylene Cone
• Single 4 Ohm
• Vented Reinforcement Collar
• Elevated Frame Cooling
• Floating Cone Attach Method (FCAM)

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Crimestopper RS4-G5

1-Way Remote Start Keyless Entry System with (2) 2000 ft Range 5-Button LED Transmitters

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1-Way Remote Start Keyless Entry System with (2) 2000 ft Range 5-Button LED Transmitters

• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 2000 feet of range (0.37 mile)
• Dual 2-way data port
• Multi-vehicle functionality

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• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 2000 feet of range (0.37 mile)
• Dual 2-way data port
• Multi-vehicle functionality

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Kicker CWRT674 (48CWRT674)

300W Peak (150W RMS) 6.75” CompRT Series Dual 4-ohm Shallow Car Subwoofer

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300W Peak (150W RMS) 6.75” CompRT Series Dual 4-ohm Shallow Car Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Dual 4 ohm
• UV-Resistant Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-3/4"
• Sensitivity: 82.6 dB

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Fusion NRX300

Wired Remote Control for All Fusion Marine Stereos

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Wired Remote Control for All Fusion Marine Stereos

• NMEA 2000-certified remote/repeater
• 2.6” monochrome LCD screen
• IPx7 waterproof rating
• Multi‐Zone technology
• Plug-and-play setup

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• NMEA 2000-certified remote/repeater
• 2.6” monochrome LCD screen
• IPx7 waterproof rating
• Multi‐Zone technology
• Plug-and-play setup

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Sundown Audio SA-6.5 SW D2 6.5" (SA65D2)

600W Peak (300W RMS) 6.5" SA Classic Series Dual 2-ohm Car Subwoofer (SW-SA6.5SWD2)

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600W Peak (300W RMS) 6.5" SA Classic Series Dual 2-ohm Car Subwoofer (SW-SA6.5SWD2)

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• Paper Cone
• Foam Surround
• Mount depth: 3.79"
• Sensitivity: 81.6 dB

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Rockford Fosgate Power T2500-1bdCP

2500W RMS Class BD Power Series Monoblock Car Amplifier

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2500W RMS Class BD Power Series Monoblock Car Amplifier

• 1500 watts x 1 channel @ 4 ohm
• 2500 watts x 1 channel @ 2 ohm
• Total RMS Power: 2500 watts
• Class BD 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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Wet Sounds STEALTH 10 ULTRA HD Black

34” 10-Speaker Class-D Amplified Bluetooth Powersports Soundbar

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34” 10-Speaker Class-D Amplified Bluetooth Powersports Soundbar

• Peak Power: 400W
• RMS Power: 200W
• High Performance Amplified Speaker Array
• Built-In Bluetooth Receiver
• Dimensions: 33.7" L x 3.92" D x 3.7" H

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    FAQ for Universal-Fit Audio & Electronics in 1991 850i

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1991 BMW 850i?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your 850i.

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    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
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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
    • 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.