Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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Mercedes A207 C207 E220 CDI 651.911 BE Engine ECU Kit Ignition + Key A6519007500
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Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049069801
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BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
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Mercedes W204 Rain Light Sensor A2048203185
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461501291 Manual
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Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
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Mercedes W220 Front Right O/S Seat Module Control Unit ECU A2208205685
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
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Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9141776
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Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
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MIni R50 R53 PDC Front Parking Sensor Assist Control Module Set Royal Grey
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Mini Cooper D F55 F56 B37 116HP Diesel Engine ECU Kit DDE 8586766 Manual
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BMW E93 LCI Top Hifi System Amplifier Logic 7 Harman Becker 9138182
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405209
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BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006
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BMW E90 E91 335i 306HP N54 Engine Control Unit ECU Kit DME 7575875 Automatic
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Volkswagen Transporter T5 2.0 Tdi CAAA Fuse Box Engine Compartment 7E0907299A
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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BMW 7 Series E65 E66 735i 745i Petrol N62 Engine Wiring Loom Harness 7520804
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
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Part no. 5WA907530Q
Audi A3 RS3 8Y Gateway Control Unit Module ECU GW2020 High 5WA907530Q
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Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600
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Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888
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Part no. YUASA YBX 3000 62Ah Accumulator
YUASA YBX3000 YBX3027 Car Battery 12V 62Ah 550A
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BMW X6 F16 Antenna Amplifier Aerial Diversity Booster Control Unit 9353217
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Mini Cooper One R56 R57 LCI Amplifier Hifi Harman Kardon 9217877
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
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BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8584276 + Key + FEM Manual
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Mercedes W169 A160 CDI OM640.942 82HP ECU Kit A6401500100 Keys Lock Automatic
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Mini Countryman R60 R61 Hands Free Telephone Microphone Wiring Loom 9810759
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289
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Mercedes W906 Radio Navi Programming Unit Head Unit A9069006202
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Mercedes-Benz ML-Class W163 Inboard Cable Harness Wiring A1635401208
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Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
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Audi Q3 8U 2.0 TFSI CULB 180HP Quattro Engine ECU Kit 06K907425C Ignition + Key
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
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BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Audi TT Mk2 8J Door Wiring Harness Cable Loom Passenger Side 8J0971036D
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BMW Mini Cooper S R52 R53 2 Positive Battery Cable Fuse Box Module B 6911180
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BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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BMW F01 F07 F10 F11 F12 F13 Amplifier Stereo System Harman Kardon AMP 6815969
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Part no. 9140177
BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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Audi Q2 GA USB Adapter Port Socket Connector 81C035726
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Part no. 5A17F36
X2 F39 20iXD B48C 192HP Engine Control Unit ECU DME 5A17F36 Automatic
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Mercedes W212 E300 Hybrid 651.924 231HP Engine ECU Kit A6519009102 Key Lock
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Part no. 9143156
BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
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Part no. 3415007
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5" 3415007
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Part no. 9251737
BMW F07 F10 F11 Telematics Module Bluetooth Combox Telematik ECU 9251737
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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BMW E90 LCI Footwell Light Module Control Unit ECU FRM3 LED PL2RR 9263807
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Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Part no. 8J0971085D
Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
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Part no. A2059009427
Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
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Part no. 9240533-1
BMW E92 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9240533
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Part no. 9146035
Body Control Module BMW X5 E70 ECU Junction Box High PL4 JBBFEII 9146035
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Part no. 9217853
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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Part no. 3457596
Mini R56 Footwell Light Module High EKS ECU PL3 FRM3R Lear 3457596
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BMW E88 LCI E90 120i 320i N43 170HP Engine Control ECU DME 7595179 Manual
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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Halfords Advanced 12V AGM 096 Start Stop Accumulator Battery 70Ah 760A
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BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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BMW 3 Series E90 E92 E93 M3 S65 Starter Motor Petrol 7837775
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Mercedes X253 Rain And Light Sensor Control Unit Module ECU A2539008007
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BMW E65 Antenna Amplifier Rear Window Antenna 868MHZ 9167132
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Peugeot Partner MK2 YAW Sensor ESP Rotation Rate Acceleration Unit 9811908880
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BMW F01 F10 F20 F30 LCI ACC Front Radar Sensor Module Unit 6877096
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Part no. 58053R
Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Part no. 7557395-9
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
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Part no. 7640004-2
Mini One R55 R56 Petrol N12 1.4 ECU Kit DME 7640004 CAS3 + Key Automatic
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Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Part no. A9105405910
Mercedes Sprinter W910 Fuse Box Control Unit Module A9105405910
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Part no. 7575575-1
BMW EXIDE AGM 12V Accumulator Battery 90Ah 900A 7575575
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .