How to Buy an ABS Sensor for a BMW on eBay

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How to Buy an ABS Sensor for a BMW on eBay

A BMW's anti-lock braking system (ABS) sensor is an essential part of the car's safety mechanism. The speed at which each wheel is turning is measured by a speed sensor. If the wheels are not turning at the same speed or if a wheel loses traction, the computer adjusts the braking system to keep of all of the wheels moving at the same speed. This translates to improved vehicle control and reduces the chances of skidding or losing the ability to brake. ABS sensors are located at each wheel or in the car's differential.

eBay is the perfect place to shop for replacement ABS sensors. With the large number of sellers active on the site, finding the right sensor at the right price is easy. Learn how to search effectively to find exactly what you need. Know how to choose an ABS sensor for a BMW and understanding the item description. Learn how to choose the ideal item condition and manufacturer. Finally, understand how to evaluate items and sellers for the best possible eBay experience.

Identifying the Right ABS Sensor for a BMW

Begin by identifying the model and year of the BMW before starting to search for an ABS sensor. Different models and years may have differences in their construction. For example, components that are suitable for a BMW 3 Series may not fit a BMW 5 Series. Also, ensure that you buy the right sensor for the right wheel. For example, front sensors may not work on back wheels or a sensor for the left wheel may not work on the right wheel. Use this as a guideline when searching.

Check the owner's manual for details about the part, for example, whether it fits on the wheel or on the differential. In some cases, a part number may be visible on the old ABS sensor. This can be used for further guidance when selecting a new component. If in doubt, ask the eBay seller whether the ABS sensor offered is designed for the car in question. A knowledgeable seller can guide you in your buying decision.

Original Equipment Manufacturer vs. Third Party ABS Sensors

In addition to finding an ABS sensor that is compatible with the vehicle, consider whether you want an original equipment manufacturer (OEM) or third party component. OEM parts are identical to those fitted to the car when it left the factory. It is important to note that not all BMW parts and components are manufactured by BMW. In most cases, the ABS sensors are made by Bosch. OEM components tend to be more expensive than third party spare parts, but car owners are assured of the same high quality.

Third party spare parts are manufactured by a company other than the one that made the original parts. These parts tend to be cheaper and quality may vary. However, some reputable companies, such as Hella, produce these parts. Before fitting third party ABS sensors to a BMW, research the brand and component by reading customer reviews and viewing information on forums. This usually gives a clear indication of the quality of these products. It is advised that all sensors on the car should be made by the same manufacturer. If you choose a third party sensor for one wheel, then you should consider replacing all of the sensors with the same brand.

Condition of ABS Sensors for a BMW

The final consideration when buying an ABS sensor is the condition of the part. eBay sellers offer these components in a range of conditions, from new to not working. Understanding these definitions is crucial when buying on eBay. The table below lists the item condition specifications and a short description of each of them.

Item Condition



Brand new

Unused and undamaged

Unopened, in original packaging, if applicable

New other

New and unused

May be missing original packaging or be unsealed

May be a factory second

May have defects


Rebuilt part

Taken apart, cleaned, and checked for wear and damage

Repaired with new or remanufactured parts

Works like a new part


Has been used, so may show signs of cosmetic wear

Works as it should

For parts or not working

Does not work

Needs servicing or replacement

May be missing components

Always read the full item description in the listing and ask the seller for more details if needed. The seller can be contacted by clicking the "Ask a question&" link.

Although buyers may be nervous about purchasing used or remanufactured safety devices, reading the full description and asking the seller about the item may reveal that it is in perfect condition. Buying these parts offers additional savings, especially if they are OEM parts that would be prohibitively expensive when brand new. In addition, these parts can be used as a temporary solution if all of the sensors are going to be replaced in the near future.

Searching for an ABS Sensor for a BMW on eBay

eBay has made is easy to find everything that you need on the site. Simply type a phrase, for example "BMW 3 Series ABS sensor&", into the search field, which can be found on every page. Alternatively, choose a suggested search or click on an autocomplete suggestion. This shows all the listings on eBay tagged with the chosen keywords. To refine your search, choose the most suitable category and item specifications. To further narrow down or to expand your search, use the advanced search feature for additional options.

Evaluating an Item on eBay

When buying on eBay, take the time to learn all that you can about the items on offer. Click on an individual listing to view the item listing page.. All the details you need to make an informed buying choice are listed on the page. This includes the full item description, buying options, payment choices, the terms of the seller's returns policy, postage and packaging costs, and the seller's feedback information.

Always read the full item description and ask for more information if you are unsure of anything related to the listing. Add the postage and packaging costs to the final selling price to calculate the total cost of the item. If the seller has a returns policy, check the terms and comply with them to avoid problems if the ABS sensor turns out to be incompatible with the BMW. In addition to evaluating the item, learn about the seller before you buy.

Evaluating a Seller on eBay

eBay makes it easy to get to know the seller with its seller feedback feature. Click on the number next to the seller's username to view this information for that particular seller. At the conclusion of each transaction, buyers leave feedback about sellers' products and customer service. This acts as sellers' online reputation. Detailed seller ratings provide additional information about aspects such as the seller's communication and the accuracy of the item description in the listing. Take note of the type and number of items previously sold when using this information. Remember to leave feedback for the seller once you have received your item.

eBay Shops

Some sellers specialise in specific products or types of products and group everything that they have for sale together in an eBay Shop. If you find a seller whose products and customer service you like, visit his or her eBay Shop to see more great deals. You may be able to find all of the BMW parts and components that you need in one place, from a seller with an excellent reputation.


An ABS sensor for a BMW is an important component of the anti-lock braking system. Without this sensor, the ABS cannot function effectively, negating the benefits of this type of system. These parts can be replaced by BMW owners with basic technical skills or by a mechanic. Buying the part on eBay is a great way to save money, as the number of sellers active on the site keeps prices competitive.

Knowing how to identify the right ABS sensor for a BMW simplifies the process of buying the component. Always use the car's make, model, and year as a guide. If a part number is visible on the old sensor, use this to confirm that you are ordering a compatible part. Choose between OEM components and third party spare parts after considering the advantages and disadvantages of each manufacturer. Select a part that is in an ideal condition, taking into account its functionality and your budget.

Knowing how to use keywords and category selections means that your searches are more effective and you are more likely to find what you want. Before buying on eBay, take the time to evaluate the item and the seller. All of the information you need can be found on the item listing page. Always read the item description and do not be afraid to ask the seller questions to ensure that you are buying exactly the right ABS sensor for your BMW.

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