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. 9203815
BMW F01 F02 F04 Footwell Light Module Control Unit ECU FRM III 9203815
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8645325-2
BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Petrol Engine Unit 180A 8645325
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9281722
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9281722
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6921857
BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8645168
Battery Cable BMW i3 I01 Battery CSC Lead Wiring Harness Loom 8645168
£66.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8626172-6
BMW F30 F32 F33 320i N20 184HP Engine Control Unit ECU DME Kit 8626172 Manual
£313.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6841649
BMW G11 G12 G30 G31 G32 GT F90 Parking Assistant Control Unit PDC Module 6841649
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9383694
BMW F10 Footwell Light Module Control Unit ECU TEMIC 9383694
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8798185
BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
£113.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7498464
Tailgate Smart Opener BMW F10 F11 F30 LCI X3 F25 Control Unit Module 7498464
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
£161.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 6807395
Interface Control Module BMW F10 F20 F30 Bus Unit 120 OHM 6807395
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5A07858
Air Conditioning Control BMW G01 G11 G12 G30 G31 F98 X4M Unit Module 5A07858
£42.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8636066
Valvetronic Wiring BMW F20 F30 LCI B48 Petrol Engine Actuator Cable Loom 8636066
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7316535-3
BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7436676
Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6821407
High Voltage Cable BMW F45 Mini F60 Hybrid Harnes EDH 6821407
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7561684-9
BMW E60 E90 325i 525i N52 218HP Engine ECU Unit Kit DME 7561684 CAS2 Key Manual
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7595179-20
BMW E87 LCI E90 120i 320i 143HP Petrol Engine Unit ECU N43 DME 7595179 Automatic
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8512499-13
BMW E84 18dX N47 143HP Diesel Engine Control Module ECU Kit DDE 8512499 Manual
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
£42.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9456002
BMW F45 X5 F15 Inverter Converter KLE Charging Module Control Unit 9456002
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8513242
BMW F10 F11 520d Diesel N47N 184HP Engine ECU DDE 8513242 Automatic
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9298939
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9298939
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8588946-2
BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4
£284.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8634244
Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9182293
BMW F01 F02 F04 Rear View Camera Cable Set 9182293
£89.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8511385-2
BMW F10 F11 525d N57 204HP Control Unit ECU Kit DDE 8511385 CAS4 Key Automatic
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7545142
BMW Z4 Series E85 N52 Roadster Cable Alternator Starter Base B+ 7545142
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5A3BC21
BMW F98 X4M G30 G31 LCI Multimedia MMI Head Unit 2448971
£465.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5A70A69
BMW F40 Parking Module Comfort Control Unit ECU 5A70A69
£118.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9872066
BMW X2 F39 F40 F44 F45 F46 F52 Air Quality AUC Sensor 9872066
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8517874-2
BMW 1 Series F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM Automatic
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8518802
BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802
£56.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5A94F67
BMW F40 Heater Air Conditioning System Control Unit Module ECU 5A94F67
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6825519
BMW X2 F39 F45 X1 F48 High Voltage Cable Cover Duct Bracket Channel 6825519
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9266407
BMW F01 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9266407
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6988303
BMW F20 F30 E60 E65 X5 E70 X6 E71 E84 Air Wiring Sensor Quality AUC 6988303
Product currently unavailable
Part no. 6935597
Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354
Product currently unavailable
Part no. 8384505
BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505
Product currently unavailable
Part no. 9264943
BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943
Product currently unavailable
Part no. 7180426
Fuel Pump Control Unit BMW E60 E81 E87 E90 E92 Module Sensor ECU 7180426
Product currently unavailable
Part no. 7802261
BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261
Product currently unavailable
Part no. 6763735
BMW X5 E60 E81 E87 E90 E91 E92 Xenon Headlight Level Sensor
Product currently unavailable
Part no. 6934846
BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
Product currently unavailable
Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
Product currently unavailable
Part no. 9215952
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
Product currently unavailable
Part no. 7798006
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
Product currently unavailable
Part no. 7796892
BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892
Product currently unavailable
Part no. 9147226
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226
Product currently unavailable
Part no. 6906621
BMW E87 E90 E91 E92 E93 Power Distribution Fuse Box Front 6906621
Product currently unavailable
Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
Product currently unavailable
Part no. 6936655
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6936655
Product currently unavailable
Part no. 9166711
BMW E90 Light Control Module ECU LCM NSW Footwell PL2FRMFA 9166711
Product currently unavailable
Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
Product currently unavailable
Part no. 6943834
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
Product currently unavailable
Part no. 6934846-1
BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
Product currently unavailable
Part no. 9199850
BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
Product currently unavailable
Part no. 9166707
BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
Product currently unavailable
Part no. 9177199
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
Product currently unavailable
Part no. 9134479
BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
Product currently unavailable
Part no. 6774040
BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
Product currently unavailable
Part no. 9134281
BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
Product currently unavailable
Part no. 9147195
BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
Product currently unavailable
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Product currently unavailable
Part no. 9117877
BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
Product currently unavailable
Part no. 9237047
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
Product currently unavailable
Part no. 8509023
BMW E90 E91 E92 E93 LCI X1 E84 X3 F25 Alternator Generator 180A N47N 8507624
Product currently unavailable
Part no. 7570299
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299
Product currently unavailable
Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
Product currently unavailable
Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
Product currently unavailable
Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
Product currently unavailable
Part no. 7614585
Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
Product currently unavailable
Part no. 6938504-1
Positive Battery Lead BMW E90 E91 E92 E93 Battery Wiring Harness Cable 6938504
Product currently unavailable
Part no. 7316187
BMW F80 M3 F32 F33 Xenon Headlight Control Module Lear TMS 7316187
Product currently unavailable
Part no. 8383154
Alarm Power Siren Horn BMW E36 E38 E39 E46 E53 E83 Alarm System Unit 8383152
Product currently unavailable
Part no. 9119447
Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
Product currently unavailable
Part no. 7823344
BMW F20 F21 F30 F31 F32 F33 Alternator Generator 150A N47N Diesel 8519890
Product currently unavailable
Part no. 9187108
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108
Product currently unavailable
Part no. 9201989
BMW X3 X5 X6 E60 E61 LCI E70 E71 F01 F02 F25 Rain Light Solar Sensor
Product currently unavailable
Part no. 6939655
BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
Product currently unavailable
Part no. RHD-9322122
Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
Product currently unavailable
Part no. 7616200
Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200
Product currently unavailable
Part no. 7241551
BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
Product currently unavailable
Part no. 6941986
BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU
Product currently unavailable
Part no. 9209183
Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183
Product currently unavailable
Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
Product currently unavailable
Part no. 7180427
Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
Product currently unavailable
Part no. 9217853
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
Product currently unavailable
Part no. 9226238
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9226238
Product currently unavailable
Part no. 6935597-1
Parking Sensor BMW E81 E87 E90 E91 PDC Set Front Rear Titansilber Metallic - 354
Product currently unavailable
Part no. 9164352
BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
Product currently unavailable
Part no. 6905666
BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
Product currently unavailable
Part no. 9204525
BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
Product currently unavailable
Part no. 6989069
BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
Product currently unavailable
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 .