ECUs & Computer Modules
More informationAt Globalparts we offer a wide selection of original used electronic control units and controllers for many popular car brands such as BMW, MINI, Mercedes, Audi, Volkswagen and others. Our original electronic control units and controllers ensure reliability, performance and full compatibility with your vehicle.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 2831300QAB
Nissan Primastar Display Unit Screen Monitor Navigation 2831300QAB
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 4G0907697J
Audi A7 4G A6 C7 Daytime Running Lights DRL LED Headlight Module Unit 4G0907697J
£42.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7567178
BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 + Key Automatic
£284.95
Free delivery - Tue, May 27
If paid before 14:00
Part no. 8K0955559E
Audi Q7 4L Front Windscreen Rain Light Solar Sensor Unit 8K0955559E
£32.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7857786
Differential Locking Module BMW F09 F10 F12 F13 Control Unit ECU 7857786
£42.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9226331
BMW E87 LCI ECU Body Control Module Unit H2 9226331
£18.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8517874
BMW F20 118d F30 318d N47N 143HP Engine ECU Kit DDE 8517874 + Key + FEM + Lock
£189.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2219008401
Mercedes-Benz S-Class W221 Multifunction Display Screen Control Unit A2219008401
£161.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9174269
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8519668
BMW E90 E91 LCI 320d N47N 163HP Engine Control Unit ECU DDE 8519668 Automatic
£47.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7552393
BMW E60 E90 E91 N52 325i 525i Engine ECU Kit DME CAS2 + Key 7552393 Manual
£351.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7621178
BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME CAS3 Key 7621178 Manual
£237.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7266666
BMW F11 Touring Control Unit Rear Tailgate Boot Lid Function Module 7266666
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8714316
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player Controller 8714316
£284.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 1Z0035191A
Skoda Octavia II Sat Radio Navi DVD CD MP3 Player Panel Head Unit 1Z0035191A
£47.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8574091
BMW F25 20dX N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 Key Manual
£284.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 03E906023AA
Seat Ibiza 6J 1.2 CGPA 69HP Engine Control Unit Module ECU 03E906023AA Manual
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A6519000402
Mercedes ML250 W166 4matic OM651.960 Engine ECU Kit A6519000402 Key Automatic
£474.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2215406645
Mercedes W221 PDC Parking Distance Sensor Control Unit Module ECU A2215406645
£132.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9322120
BMW 3 4 Series F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A0009003101
Mercedes-Benz C E S W204 W212 W221 Fuel Pump Module Control Unit A0009003101
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
£550.95
Free delivery - Tue, May 27
If paid before 14:00
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A1669000618
Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A6519003603
Mercedes Sprinter W910 314 CDI OM651.958 143HP Engine Unit ECU A6519003603
£161.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8W0907163
Audi AQ5 FY Rear Differential Control Module Unit QMV 8W0907163
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8686143
BMW F45 225xe 1.5 B38X 224HP Engine Control Unit ECU DME 8489647 Automatic
£379.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 61359160187
BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187
£18.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8E0910560
Audi S4 B6 4.2 V8 BBK Quattro 344HP Engine ECU Kit 8E0910560 Ignition + 2 Keys
£237.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9302258
BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
£66.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7798422
BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
£113.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7798422
BMW E60 E61 530d M57N 218HP Engine Control Unit ECU DDE 7798422 Automatic
£113.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 4M2035070C
Audi Q7 4M CD Player Radio Multimedia Audio Head Unit 4M2035070C
£284.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6975173
Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A0009002126
AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
£66.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9875930
Head Unit BMW G20 Navigation Audio Player Controller Module 9875930
£189.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8512415
Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Keys
£94.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6960220
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Right O/S Control Unit 6960220
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9385026
BMW F01 F07 LCI F10 F11 F25 Safety Control Unit Air Module Bag ECU 9385026
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6917642
BMW 7 Series E65 E66 Bracket For Module Unit ECU 6917642
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 2449488
Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488
£284.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8510221
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
£94.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9167130
BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
£47.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6887752
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8T0919603E
Audi A4 B8 Display Screen Sat Nav Navigation Dashboard 8T0919603E
£32.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9112580
BMW X6 Series E71 Holder Bracket Control Unit Amplifier 9112580
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A1718204026
Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
£32.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2129006101
TV Tuner Mercedes W204 C207 W212 C218 Digital Video Control Module A2129006101
£275.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A6079001800
Mercedes W176 C117 A180 CDI OM607.951 109HP Engine ECU Set A6079001800 Manual
£360.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9367350
KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8510593
BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Control ECU Kit DDE 8510593
£208.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8519663
Mini Cooper R60 Cooper SD ALL4 N47N 2.0 ECU Kit DDE 8519663 CAS3 Key Manual
£94.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8583423
Mini R60 Cooper SD N47N 143HP Engine ECU Kit DDE CAS3 + Key 8583423 Manual
£132.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A6519003403
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
£189.95
Free delivery - Tue, May 27
If paid before 14:00
Part no. 9264917
BMW Z4 E89 Cabrio Convertible Roadster Airbag ECU Control Unit Module 9264917
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
£70.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9289971
BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
£75.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
£37.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A1729060205
Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
£75.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2319006905
Mercedes SL R231 Roof Module Controller ECU A2319006905
£213.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2048702751
Mercedes W164 W197 W204 W207 W212 W251 Intake Air Temperature Sensor A2048702751
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 06M907309D
Audi S4 B9 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit 06M907309D Gateway + Key
£370.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8K0907383B
Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU 8K0907383B
£70.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A9079001403
Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403
£94.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. W221-JOYEAUTO
Mercedes W221 Retrofit Joyeauto CarPlay Multimedia Interface Control Unit Module
£189.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8647841
BMW 1 X1 F45 F48 Mini F55 F56 F57 Integrated Supply Module Z11 8647841
£18.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9358302
Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6936103
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6936103
£18.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2188200087
Mercedes W212 Adapter Car Radio Stereo MP3 AUX Port Attachment Plug A2188200087
£14.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2048600405
Mercedes W204 Air Module Rear Right O/S Door SRS Control Unit A2048600405
£51.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
£85.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7801710
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
£199.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9494498
BMW i3 I01 LIM Module Hybrid Electric Control Unit 9494498
£132.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
£246.95
Free delivery - Tue, May 27
If paid before 14:00
Part no. 7353264240E
Fiat Doblo Air Module Control Unit Module 7353264240E
£37.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9389658
BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
£47.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7932682
BMW F10 F11 F30 LCI X3 F25 Mini F60 Tailgate Smart Opener Control Module 7932682
£32.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8T2035652G
Audi A5 8T A4 B8 Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035652G
£70.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 5Q0959595L
Audi A3 8Y Rear Door Control Module Unit ECU Driver's Side Right O/S 5Q0959595L
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9228272
Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
£47.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 9151351
BMW Z4 Series E89 Air Duct Footwell Left N/S 9151351
£13.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 8512292
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
£94.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6870517
BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6870517
£75.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 7621178
BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
Product currently unavailable
Part no. 9267466
Body Control Module BMW F13 ECU Junction Box V2 PL2 JBBFE III Lear 9267466
£18.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
£23.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A1669003407
Mercedes W176 W204 Digital Audio DAB Receiver Control Unit Module A1669003407
£28.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
£142.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2229004015
Mercedes W205 Air Con Conditioning Module A/C Climate Control Unit A2229004015
£32.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2048600305
Mercedes W204 Air Module Rear Left N/S Door SRS Control Unit A2048600305
£51.95
Free delivery - Fri, May 23
If paid before 14:00
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
£18.95
Free delivery - Fri, May 23
If paid before 14:00
ECUs & Computer Modules
Electronic control modules and controllers:
Welcome to the fascinating world of used electronic control modules and controllers , where modern technology meets everyday needs! Imagine devices that can think for you, optimizing the operation of your car. Electronic modules are just like that - inconspicuous, yet incredibly powerful.
At Globalparts automotive store you will find a wide range of used spare parts , including key components that affect vehicle performance and safety. Control modules are not only the heart of any system, but also the gateway to the world of innovation.
Immerse yourself with us in the details of how controllers function and are used and discover the secrets of their versatility!
Electronic control modules in modern vehicles
Modern vehicles are complex machines, in which electronic control units play a key role. These small devices manage virtually every aspect of a car's operation, from the drive system to advanced safety features. Their role cannot be overestimated, as they ensure optimal efficiency and driving comfort.
The main task of the control modules used is to integrate various car systems. Thanks to them, the engine runs smoothly and fuel consumption is minimized. They also control other key elements such as the braking system or air conditioning , which translates into greater safety and comfort of using the vehicle.
Many of these controllers can be found in our automotive store with original used car parts. This is a great option for those looking to save money while maintaining high product quality. Used parts are often as effective as new ones, and their price can be much lower, making them an attractive alternative.
Modern technologies used in modules allow for quick diagnosis of technical problems and their easy removal without the need for expensive repairs of the entire system. In the event of a failure, replacing a specific controller may be a sufficient solution.
In our automotive store you will find a wide range of products adapted to various car brands and car models. Thanks to this, every car owner can find the right control module for BMW , MINI , Mercedes , Audi , Volkswagen and many other brands, which will meet their expectations in terms of both functionality and price.
To sum up the importance of electronic control modules: they are the heart of a modern vehicle and a guarantee of its efficient operation and safety on the road. Choosing the right car components is crucial for the longevity and reliability of each car; therefore, it is worth considering buying original used parts.
Functionality and importance of electronic modules and controllers
Electronic control modules and controllers are the foundation of modern vehicles, controlling many key systems. Their functions are extremely wide - from engine management, through the ABS system , to comfort systems such as air conditioning. Thanks to them, the car operates efficiently and safely.
In the context of the engine, control modules are responsible for optimizing its operation. They decide the amount of fuel supplied to the engine and the ignition timing, which affects the car's performance and fuel consumption. Without them, it would be impossible to achieve full power or economical combustion.
Another important aspect is the control of the ABS system by the controllers . They ensure safety when braking in difficult conditions. These modules help maintain vehicle stability on slippery surfaces, which is crucial for maintaining control over the car.
An important role of electronics is also managing comfort systems in the vehicle. Air conditioning or seat adjustment are just some of the functions supported by the control module . Thanks to this, the journey becomes more enjoyable, and the driver can focus solely on driving.
The Global Parts automotive store offers a wide range of used parts, including car modules and controllers , which can be an attractive price alternative to new products. Used components are often as good as new, and their price is often much lower. Choosing such parts allows for savings without compromising quality.
To sum up the importance of these technologies: electronic control units and controllers are essential for a smooth ride and efficient operation of all vehicle systems; therefore, it is worth considering original used solutions available on the automotive market.
A wide selection of used parts for BMW, MINI, Mercedes, Audi, Volkswagen and other renowned brands
Nowadays, car owners are increasingly reaching for used parts to save on repair costs while maintaining high quality. In our automotive store, we offer a wide range, including electronic control modules and controllers from well-known manufacturers such as BMW , MINI , Mercedes , Audi , Volkswagen and other renowned brands. Thanks to this, every customer can find the perfect solution for their vehicle.
The diverse selection of models makes our offer attractive to both new car owners and older models. Regardless of whether you need a component for the BMW 1 Series engine or a comfort management system in a Mercedes C-Class - we have everything at hand. Our controllers not only save money, but also ensure trouble-free vehicle operation.
Thanks to the availability of various products, we can meet the expectations of the most demanding customers. We also offer fast deliveries of ordered items straight to the customer's door; thanks to this, the purchasing process becomes even more convenient and satisfying. It is this approach that distinguishes our automotive store from the competition.
The benefits of using used car parts cannot be forgotten also in the context of ecology and recycling of materials; reusing components helps reduce the amount of industrial waste and the consumption of natural resources during the production of new components.
To sum up: investing in used parts from our range is a decision well thought out from every angle – economic and environmental – and above all, a guarantee of the durability of the purchased product without any compromise on its quality or efficiency!
Advantages of buying solutions with used components
Used car parts , especially electronic control modules and controllers , are becoming an attractive choice for many car owners. Using such components not only brings financial benefits, but also supports the idea of environmental protection.
By choosing to purchase control modules or other electronic components in the form of used components, you support the reuse of raw materials. Instead of producing new parts that require energy consumption and generate industrial waste, you give a second life to existing products.
Economy is another argument for choosing second-hand controllers . The original origin of these elements guarantees their high quality and reliability. The price of such products is often much lower than new equivalents, which translates into real savings for the customer. Thanks to this, you can enjoy the efficient operation of your car without straining your household budget.
An additional advantage of using used parts is their availability and quick delivery , which allows for immediate repair of the vehicle without a long wait for new modules or other car components. This makes it much easier to keep the car in full readiness for driving.
To sum up these advantages: investing in used control modules and drivers It is a wise decision both economically and ecologically; it not only saves money but also protects our planet by reducing the consumption of natural resources and the amount of industrial waste generated during the production of new car parts!
Global Parts automotive store with original used car parts - Contact
The Global Parts automotive store cordially invites you to familiarize yourself with our wide range of original used car parts . Regardless of whether you are looking for car parts for BMW , Audi , Volkswagen , Mercedes , Mini and others - you will find them with us at competitive prices. We make every effort to ensure that every customer finds the right parts for their car/car with us, and in case of any questions or doubts related to the selection of the right components, we will be happy to help! Please contact us - we are here to help you! For more information and curiosities, we also invite you to our automotive blog .