BMW F20 F21 F30 F31 Brake Caliper Front Left N/S Housing Carrier Unit 6857687
SKU: 6857687-2
Product from a certified dismantling facility
Condition:
Used
Available:
1
Delivery time:
Payment methods:
Returns:
60 days return for UK 30 days return for other countries
Delivery from:
£18.95
1
Lowest price in the last 30 days: £18.95
Total for items
£18.95
Visual condition of the part
The product shows signs of use visible in the photos. BMW F20 F21 F30 F31 Brake Caliper Front Left N/S Housing Carrier Unit is an original component from the Brake Calipers and Carriers group, designed for installation on the driver's side of the front axle. This OEM solution ensures proper mounting geometry, stable brake system operation, and consistency with the factory suspension design of the BMW F-series.
Specifications and technical data
- SKU: 6857687-2
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6857687
- Substitutable numbers: 34116857687, 6857687, 34116850971, 6850971
- Part type: Brake Caliper
- Category: Calipers & Brackets
Purpose and function in the brake system
The presented front left caliper plays a key role in generating braking force at the wheel, working in conjunction with the brake disc and pads. The housing carrier unit design ensures rigid pad guidance, even pressure distribution, and repeatable braking performance under typical operating conditions for BMW F20, F21, F30, and F31 models. Thanks to the factory BMW design, the correct operating position relative to the hub and disc is maintained, which reduces the risk of uneven pad wear and vibrations during braking. The component is prepared for integration with the stock brake hydraulics of these BMW generations, without the need for system modifications.
Construction and technical features
The caliper is designed as a robust support module integrated with the carrier, which facilitates installation and maintenance. The construction provides:
- stable mounting to the front axle steering knuckle,
- pad guidance that limits jamming,
- properly selected body stiffness for repeatable pressure,
- compatibility with factory brake system components of the BMW F-series. Original BMW manufacturing promotes the maintenance of proper brake system operating characteristics and facilitates diagnostics and service in workshops familiar with the manufacturer's standards.
Benefits of using an original used caliper
Choosing an original BMW caliper from the secondary market is a solution that allows for cost control while maintaining factory specifications. Unlike many cheap aftermarket replacements, the OEM component is designed for a specific vehicle platform, which translates into:
- proper fitment to the steering knuckle and brake disc,
- compliance with stock braking force characteristics,
- easier installation without the need for custom fabrication or mounting modifications,
- greater predictability of system behavior during long-term operation. The used condition means the part comes from dismantling but retains its factory construction and can be an attractive alternative to new parts, especially for budget repairs or restoring a vehicle to working order after mechanical damage.
Application in BMW service and repairs
This front left caliper is intended for use in professional workshops and for DIY repairs, wherever compliance with the factory BMW design is required. It is suitable for both standard replacement of a damaged caliper and for comprehensive brake system rebuilding after a collision or intensive use. To maximize the potential of this component, it is recommended to simultaneously check the condition of the discs, pads, flexible hoses, and brake fluid so that the entire system operates under consistent technical conditions.
Brake system expansion and technical knowledge
If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other components from the same group, such as additional calipers, carriers, or mounting hardware, check out the available parts in the BMW Brake Calipers and Carriers category. To better understand how to safely use the secondary market and how to select original brake mechanisms from dismantling, it is worth reading our expert material: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts. Additionally, when comparing used OEM components with cheap replacements, the article Cheap aftermarket car parts – hidden defects and costs that workshops rarely talk about, which discusses the technical and economic consequences of choosing low-budget solutions, may be helpful.
Delivery details
Ship to:
Check delivery times for another country
Delivery Price
There is no set delivery price for your selected location. Contact us to ask for details.
Delivery time
Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.