What are car electronics, GPS, and security systems used for?

Car electronics, GPS, and security systems are used to manage comfort functions, sound, driver information, and protection against unauthorized use of the vehicle. They enable multimedia operation, route guidance, signal reception from antennas, and cooperation with a remote or key. Without correctly selected elements, some functions may not work properly or may require additional configuration.

What is the design and function of a security module?

A security module is an electronic component that monitors selected protective functions of the vehicle and cooperates with the alarm system, immobilizer, remote, or ignition switch. It contains a housing, connectors, a control circuit, and stored configuration data depending on the car version. Its task is to control access to the vehicle and transmit signals to other controllers.

How to select a part from this category for a specific car?

It is best to compare the OEM number, equipment version, body type, and connector type. It is worth checking if the car has factory navigation, an amplifier, steering wheel controls, a camera, sensors, or a specific display version. For electronic parts, software compatibility or coding capability is also important.

What symptoms indicate a problem with car electronics or a GPS module?

Typical symptoms include the device not starting, sound loss, signal reception problems, incorrect position indications, or lack of communication with other car systems. In the case of security systems, difficulties with starting, an unresponsive remote, or key authorization errors may occur. Before replacement, it is worth verifying fuses, wiring, and the condition of connectors.

Which mounting and cooperating elements should be checked before installation?

You need to check the housing, brackets, mounting points, panel completeness, and the condition of pins and sockets. Compatibility with the antenna, amplifier, screen, wiring, remote, or other cooperating modules is essential. In many cases, it is also worth comparing the panel color, button layout, and pre-facelift or post-facelift version.

In-Car Technology, GPS & Security

Make

BMW E82 E90 E92 Antenna Amplifier Diversity Aerial Module Control Unit 9187658

Promo price

£18.95

£16.11

Free delivery: Aug 18

If paid before 14:00

Mini R55 R56 R57 Radio Boost CD Player Audio Head Unit 3452681

-15%

Part no. 3452681

Mini R55 R56 R57 Radio Boost CD Player Audio Head Unit 3452681

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£94.95

£80.71

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If paid before 14:00

Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456871

-15%

Part no. 3456871

Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456871

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£142.95

£121.51

Free delivery: Aug 18

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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3454567

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Part no. 3454567

Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3454567

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£113.95

£68.37

Free delivery: Aug 18

If paid before 14:00

BMW Z4 Series E89 Roadster Mid Range Speaker Stereo 9133409 65139133409

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Part no. 9133409

BMW Z4 Series E89 Roadster Mid Range Speaker Stereo 9133409 65139133409

Promo price

£18.95

£16.11

Free delivery: Aug 18

If paid before 14:00

BMW X5 E70 F01 F07 GT Front Door Hi-Fi Audio System Tweeter Speaker Unit 9212077

-15%

Part no. 9212077

BMW X5 E70 F01 F07 GT Front Door Hi-Fi Audio System Tweeter Speaker Unit 9212077

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£18.95

£16.11

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Mercedes CLK-Class C209 W209 Door Speaker Tweeter Cover Front Right A2097250211

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Part no. A2097250211

Mercedes CLK-Class C209 W209 Door Speaker Tweeter Cover Front Right A2097250211

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£13.95

£13.25

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Siren Alarm BMW F10 F11 F20 F30 Inclination Indicat Alternative Power 9303560

-5%

Part no. 9303560

Siren Alarm BMW F10 F11 F20 F30 Inclination Indicat Alternative Power 9303560

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£13.95

£13.25

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BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 9244134

-5%

Part no. 9244134

BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 9244134

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£13.95

£13.25

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Audio Amplifier BMW F01 F10 F11 F12 Unit Harman/Kardon Top HIFI System 9366160

-40%

Part no. 9366160

Audio Amplifier BMW F01 F10 F11 F12 Unit Harman/Kardon Top HIFI System 9366160

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£617.95

£370.77

Free delivery: Aug 18

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Audi A4 B8 Sat Nav DAB Radio Tuner Head Unit Control Harman Becker 4G0035061L

-40%

Part no. 4G0035061L

Audi A4 B8 Sat Nav DAB Radio Tuner Head Unit Control Harman Becker 4G0035061L

Promo price

£142.95

£85.77

Free delivery: Aug 18

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BMW E60 E81 E90 E91 Hands-Free Bluetooth Module High MULF2 9200822

-15%

Part no. 9200822

BMW E60 E81 E90 E91 Hands-Free Bluetooth Module High MULF2 9200822

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£51.95

£44.16

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BMW 1 3 5 Series F40 G20 G30 Radio Remote Control Receiver 434 MHZ 9440540

-5%

Part no. 9440540

BMW 1 3 5 Series F40 G20 G30 Radio Remote Control Receiver 434 MHZ 9440540

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£13.95

£13.25

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Audi TT 8J Front Tweeter Speaker Left Right N/O/S 8J0035399A

-5%

Part no. 8J0035399A

Audi TT 8J Front Tweeter Speaker Left Right N/O/S 8J0035399A

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£13.95

£13.25

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Audi TT 8J Sound System Audio Amplifier Amp Unit 8J0035223F

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Part no. 8J0035223F

Audi TT 8J Sound System Audio Amplifier Amp Unit 8J0035223F

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£32.95

£28.01

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Professional Navigation BMW X5 E70 X6 E71 CCC Sat Nav System Controller 9159047

-40%

Part no. 9159047

Professional Navigation BMW X5 E70 X6 E71 CCC Sat Nav System Controller 9159047

Promo price

£284.95

£170.97

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Audi A4 B9 A5 F5 Display Screen Radio Multimedia Navigation Sat Unit 8W2919620

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Part no. 8W2919620

Audi A4 B9 A5 F5 Display Screen Radio Multimedia Navigation Sat Unit 8W2919620

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£170.95

£102.57

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BMW F10 F11 Central Speaker Left Subwoofer Bass Speaker 9169685

-15%

Part no. 9315645

BMW F10 F11 Central Speaker Left Subwoofer Bass Speaker 9169685

Promo price

£18.95

£16.11

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Volkswagen Golf SV Tiguan Passat Stereo Radio Sat Nav Head Unit 3Q0035874C

-15%

Part no. 3Q0035874C

Volkswagen Golf SV Tiguan Passat Stereo Radio Sat Nav Head Unit 3Q0035874C

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£398.95

£339.11

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VW Volkswagen Tiguan 5N Front Door Loud Speaker Left Right N/O/S Audio 5N0035454

-15%

Part no. 5N0035454

VW Volkswagen Tiguan 5N Front Door Loud Speaker Left Right N/O/S Audio 5N0035454

Promo price

£18.95

£16.11

Free delivery: Aug 18

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BMW F20 F21 LCI Dashboard Dash Cover Loudspeaker Trim Black 9394348

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Part no. 9394348

BMW F20 F21 LCI Dashboard Dash Cover Loudspeaker Trim Black 9394348

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£13.95

£13.25

Free delivery: Aug 18

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Audi A4 B8 Sat Nav Multimedia Display Screen Monitor MMI 8T0919604

-15%

Part no. 8T0919604

Audi A4 B8 Sat Nav Multimedia Display Screen Monitor MMI 8T0919604

Promo price

£94.95

£80.71

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Audi A5 8T Dashboard Sound Audio Speaker Dash Center 8T0035397

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Part no. 8T0035397

Audi A5 8T Dashboard Sound Audio Speaker Dash Center 8T0035397

Promo price

£13.95

£13.25

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Audi A1 8X Multimedia Sav Nat Display Screen Monitor 8X0857273B

-40%

Part no. 8X0857273B

Audi A1 8X Multimedia Sav Nat Display Screen Monitor 8X0857273B

Promo price

£37.95

£22.77

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Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061E

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Part no. 4G0035061E

Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061E

Promo price

£189.95

£113.97

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BMW F10 F11 Mid-Range Sound Speaker Stereo Door Front 9169692

-5%

Part no. 9169692

BMW F10 F11 Mid-Range Sound Speaker Stereo Door Front 9169692

Promo price

£13.95

£13.25

Free delivery: Aug 18

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Mini R56 LCI R60 Radio CD Player Visual Boost Champ 2 DAB Head Unit

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Part no. 3456943

Mini R56 LCI R60 Radio CD Player Visual Boost Champ 2 DAB Head Unit

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£80.95

£48.57

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Mini Cooper R55 R56 R57 LCI Mid-range Speaker Woofer HiFi 9194841

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Part no. 9194841

Mini Cooper R55 R56 R57 LCI Mid-range Speaker Woofer HiFi 9194841

Promo price

£28.95

£24.61

Free delivery: Aug 18

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Mercedes SLK R171 Audio Sound Speaker Rear Right O/S A1718201202

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Part no. A1718201202

Mercedes SLK R171 Audio Sound Speaker Rear Right O/S A1718201202

Promo price

£23.95

£14.37

Free delivery: Aug 18

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Audi A6 C7 A7 4G MMI Centre Console Multimedia Sat Nav Switch Panel 4G2919610E

-40%

Part no. RHD-4G2919610E

Audi A6 C7 A7 4G MMI Centre Console Multimedia Sat Nav Switch Panel 4G2919610E

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£37.95

£22.77

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Genuine Parrot CK3000 Bluetooth Hands-free Connection Control Unit Module

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Part no. CK3000 Evolution

Genuine Parrot CK3000 Bluetooth Hands-free Connection Control Unit Module

Promo price

£13.95

£13.25

Free delivery: Aug 18

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Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192

-15%

Part no. 81A035192

Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192

Promo price

£189.95

£161.46

Free delivery: Aug 19 – 26

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BMW E81 E87 E90 E91 LCI Professional CD Radio With Bluetooth 9243922

-40%

Part no. 9243922

BMW E81 E87 E90 E91 LCI Professional CD Radio With Bluetooth 9243922

Promo price

£113.95

£68.37

Free delivery: Aug 18

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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat Unit 4F0919604

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Part no. 4F0919604

Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat Unit 4F0919604

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£37.95

£22.77

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Volkswagen Polo 6R Aerial Antenna Amplifier Booster Unit Module 5K0035552A

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Part no. 5K0035552A

Volkswagen Polo 6R Aerial Antenna Amplifier Booster Unit Module 5K0035552A

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£13.95

£13.25

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Sound Amplifier Mercedes W205 Midline Sound System Control Module A2059007444

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Part no. A2059007444

Sound Amplifier Mercedes W205 Midline Sound System Control Module A2059007444

Promo price

£113.95

£96.86

Free delivery: Aug 19 – 26

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Radio Boost CD Player Mini R56 R57 LCI R60 Head Unit Audio Player 3456871

-40%

Part no. 3456871-1

Radio Boost CD Player Mini R56 R57 LCI R60 Head Unit Audio Player 3456871

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£284.95

£170.97

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BMW F45 F46 Boardmonitor Central Information Display 6,5" Navigation 9317941

-40%

Part no. 9317941

BMW F45 F46 Boardmonitor Central Information Display 6,5" Navigation 9317941

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£313.95

£188.37

Free delivery: Aug 18

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Audi A1 8X AUX Connection Port Socket 8J0035475

-5%

Part no. 8J0035475

Audi A1 8X AUX Connection Port Socket 8J0035475

Promo price

£13.95

£13.25

Free delivery: Aug 18

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Mercedes W205 W213 C253 Door Speaker Front Rear Left Right N/O/S A2058205600

-15%

Part no. A2058205600

Mercedes W205 W213 C253 Door Speaker Front Rear Left Right N/O/S A2058205600

Promo price

£18.95

£16.11

Free delivery: Aug 18

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Audi A3 8V Alarm System Siren Anti Theft Signal Horn Unit 5Q0951605

-5%

Part no. 5Q0951605

Audi A3 8V Alarm System Siren Anti Theft Signal Horn Unit 5Q0951605

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£13.95

£13.25

Free delivery: Aug 18

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BMW F98 Harman Kardon Dashboard Speaker Tweeter 6809632

-15%

Part no. 6809632

BMW F98 Harman Kardon Dashboard Speaker Tweeter 6809632

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£23.95

£20.36

Free delivery: Aug 18

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VW Volkswagen Golf Mk7 Tweeter Speaker A-Pillar Left Right N/O/S 5G0035411D

-5%

Part no. 5G0035411D

VW Volkswagen Golf Mk7 Tweeter Speaker A-Pillar Left Right N/O/S 5G0035411D

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£13.95

£13.25

Free delivery: Aug 18

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Mercedes W907 CD Stereo Radio Head Player Unit A9079009103

-40%

Part no. A9079009103

Mercedes W907 CD Stereo Radio Head Player Unit A9079009103

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£89.95

£53.97

Free delivery: Aug 18

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Audi A4 B9 Display Screen Radio Multimedia Navigation Sat Unit 8W2919605

-40%

Part no. RHD-8W2919605-1

Audi A4 B9 Display Screen Radio Multimedia Navigation Sat Unit 8W2919605

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£47.95

£28.77

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BMW F45 F46 Mini F54 F55 F56 Head Unit Basic Media DAB Headunit 9399443

-40%

Part no. 9399443

BMW F45 F46 Mini F54 F55 F56 Head Unit Basic Media DAB Headunit 9399443

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£127.95

£76.77

Free delivery: Aug 19 – 26

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In Phase USW10 Ultra Compact Underseat Active Subwoofer 300W 4Ohm

-40%

Part no. USW10

In Phase USW10 Ultra Compact Underseat Active Subwoofer 300W 4Ohm

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£94.95

£56.97

Free delivery: Aug 18

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-40%

Part no. RHD-8W2919605

Audi A4 B9 Display Screen Radio Multimedia Navigation Sat Unit 8W2919605

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£47.95

£28.77

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Audi Q3 8U Front Speaker Door Left Right N/O/S Mid Range 8R0035415

-5%

Part no. 8R0035415

Audi Q3 8U Front Speaker Door Left Right N/O/S Mid Range 8R0035415

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£13.95

£13.25

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BMW 1 3 Series F20 F21 F30 F31 LCI Head Unit Basic Navigation 2 9437388

-40%

Part no. 9437388

BMW 1 3 Series F20 F21 F30 F31 LCI Head Unit Basic Navigation 2 9437388

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£161.95

£97.17

Free delivery: Aug 18

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Part no. 6986583

BMW E90 E91 Radio Remote Control Alarm Key Fob Button Switch 868 MHz JAPAN

£23.95

Free delivery: Aug 18

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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9181326

-40%

Part no. 9181326

BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9181326

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£23.95

£14.37

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Part no. 2622503

BMW F20 F22 Audio Amplifier Harman/Kardon Active Sound Design System 2622503

£47.95

Free delivery: Aug 18

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Mini Cooper R55 R56 R57 CCC Navigation Navi Sat Nav Head Unit 9138452

-40%

Part no. 9138452

Mini Cooper R55 R56 R57 CCC Navigation Navi Sat Nav Head Unit 9138452

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£189.95

£113.97

Free delivery: Aug 18

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Promo price

£18.95

£16.11

Free delivery: Aug 18

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Part no. A2129005325

Mercedes W212 MMI Multimedia CD Player Navigation Head Unit Stereo A2129005325

£137.95

Free delivery: Aug 19 – 26

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Speaker Mercedes S211 W211 Rear Left N/S Door Loudspeaker A2118207302

-5%

Part no. A2118207302

Speaker Mercedes S211 W211 Rear Left N/S Door Loudspeaker A2118207302

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£13.95

£13.25

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VW Polo 6R Head Unit Infotainment Bluetooth Radio Media SD CD Player 3Q0035820A

-15%

Part no. 3Q0035820A

VW Polo 6R Head Unit Infotainment Bluetooth Radio Media SD CD Player 3Q0035820A

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£66.95

£56.91

Free delivery: Aug 18

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£23.95

£14.37

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Promo price

£32.95

£19.77

Free delivery: Aug 18

If paid before 14:00

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Showing 1-99 of 941 products

In-Car Technology, GPS & Security

In the Global Parts automotive store you will find a wide selection of used car parts from the car electronics, GPS, and security category, suitable for many car brands, including BMW, Audi, Mercedes-Benz, and others.

Design and purpose of car electronics, GPS, and security systems

Car electronics, GPS, and security systems are a group of components responsible for managing information, multimedia, navigation, and protection functions in a vehicle. This category includes, among others, control modules, GPS receivers, multimedia units, alarm controllers, immobilizer components, antennas, wiring harnesses, and control panels mounted in the dashboard, center console, headliner, or trunk. Typical selection of such a part requires comparing the OEM number, connector type, equipment version, body style, and compatibility with the vehicle's electrical system.

Functions and application of electronic systems in a car

Car electronics are used to control and exchange data between various vehicle systems. GPS systems are responsible for positioning and route guidance, while security systems limit the risk of the vehicle being started by an unauthorized person or support access control. In practice, one must consider compatibility with the screen, antenna, amplifier, comfort module, remote control, sensors, and power supply installation.

Comparison of element types in the category

Element type	Main function	Mounting location	What to check before purchase
Multimedia unit or radio	Audio, message, and user interface management	Dashboard or center console	OEM number, panel type, button layout, connector type, equipment compatibility
GPS module or navigation	Positioning and route guidance	Dashboard, glove box, trunk, or near the antenna	Map version, antenna type, screen communication, wiring, and coding method
Alarm, immobilizer, or security module	Vehicle protection and ignition authorization control	Depending on the car version: under the dashboard, near the ignition, or in the comfort module	Compatibility with remote, transponder, wiring, key version, and controller number
Antenna, amplifier, or audio equipment	Signal transmission and reception quality improvement	Roof, pillar, rear shelf, door, or trunk	Socket type, number of connectors, body version, presence of an amplifier, and mounting layout

Selecting parts by OEM number, equipment, and car version

Selecting elements from this category is best based on the OEM number and compatibility with the specific vehicle configuration. Not only the make and model matter, but also the pre-facelift or post-facelift version, body type, presence of factory navigation, amplifier, parking sensors, or steering wheel controls. For parts such as Harman Kardon BMW E46 sound system, it is worth comparing speaker placement, amplifier type, wiring, and compatibility with the factory audio system.

Cooperating elements and practical installation tips

An electronic module refers to a part that processes signals or controls the operation of selected car functions based on stored configuration. During installation, check the condition of pins, housing, brackets, signs of moisture, and the compatibility of mounting points with the car. In practice, the sections GPS and navigation systems, Car accessories, Tools and workshop equipment, and Service and vehicle repair are also helpful when gathering the equipment needed for installation or verification of parts. Before installing and connecting used components, it is also worth reading guide materials, such as Buying a used engine: 5 things you must check before installation. Although the article concerns a different component, it well illustrates how important the OEM number, equipment compatibility, and technical condition check are before installation.

FAQ

Question	Answer
What is the design and purpose of car electronics, GPS, and security systems?	Car electronics, GPS, and security systems are a set of components responsible for communication, control, positioning, and vehicle protection. This category includes radios, control modules, navigation receivers, antennas, amplifiers, control panels, alarms, and immobilizer components. These parts are mounted in various zones of the car, depending on the function and equipment version.
What are car electronics, GPS, and security systems used for?	Car electronics, GPS, and security systems are used to manage comfort functions, sound, driver information, and protection against unauthorized use of the vehicle. They enable multimedia operation, route guidance, signal reception from antennas, and cooperation with a remote or key. Without correctly selected elements, some functions may not work properly or may require additional configuration.
What is the design and function of a security module?	A security module is an electronic component that monitors selected protective functions of the vehicle and cooperates with the alarm system, immobilizer, remote, or ignition switch. It contains a housing, connectors, a control circuit, and stored configuration data depending on the car version. Its task is to control access to the vehicle and transmit signals to other controllers.
How to select a part from this category for a specific car?	It is best to compare the OEM number, equipment version, body type, and connector type. It is worth checking if the car has factory navigation, an amplifier, steering wheel controls, a camera, sensors, or a specific display version. For electronic parts, software compatibility or coding capability is also important.
What symptoms indicate a problem with car electronics or a GPS module?	Typical symptoms include the device not starting, sound loss, signal reception problems, incorrect position indications, or lack of communication with other car systems. In the case of security systems, difficulties with starting, an unresponsive remote, or key authorization errors may occur. Before replacement, it is worth verifying fuses, wiring, and the condition of connectors.
Which mounting and cooperating elements should be checked before installation?	You need to check the housing, brackets, mounting points, panel completeness, and the condition of pins and sockets. Compatibility with the antenna, amplifier, screen, wiring, remote, or other cooperating modules is essential. In many cases, it is also worth comparing the panel color, button layout, and pre-facelift or post-facelift version.

Summary: car electronics, GPS, and security in the Global Parts automotive store

The car electronics, GPS, and security category includes components that have a direct impact on the comfort of operating the car, multimedia performance, navigation, and vehicle protection. The Global Parts offer includes elements for many car brands, including BMW, Audi, Mercedes-Benz, and others, and when choosing, it is worth comparing the OEM number, equipment, connector type, and mounting location. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.