fits model: 430i, F36, 440. make: Bmw. year: 2015–2020.

( Manufacturer Part Number: 33-53-6-851-931 ), ( Fitment Type: Direct Replacement ), ( Color: Black ), ( Material: Alloy Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Left, Rear, Right ), ( Type: Coil Spring ), ( Oe/oem Part Number: 33536851931 / 33536851 931 / 33536 851 931 / 33 53 6 851 931 ), ( Manufacturer Warranty: 1 Month ), ( Universal Fitment: Yes )
The BMW 3 Series, specifically the 330i, 430i, and 440i models produced between 2015 and 2020, are renowned for their robustness and performance. One of the crucial components that contributes to their exceptional handling and ride quality is the coil spring. In this context, we are referring to the rear left or right coil spring for the F36 generation 3 Series.
This particular coil spring (BMW part number: 851-931-931) is a vital suspension component. It works in conjunction with other parts such as struts, shock absorbers, and control arms to absorb road shocks, maintain tire contact with the road surface, and ensure optimal vehicle stability.
The BMW 3 Series rear left or right coil spring is a precision-engineered piece, crafted from high-quality materials to provide excellent performance and durability. It is designed to withstand the rigors of daily driving, as well as the dynamic forces encountered during high-speed driving or cornering.
The coil spring has a specific spring rate, which determines the amount of force required to compress it by a certain distance. This rate is crucial for maintaining the vehicle's ride height and handling characteristics. The BMW 3 Series rear left or right coil spring is engineered to provide the right balance between comfort and control, ensuring a smooth ride while maintaining responsive handling.
Installing a new coil spring can help improve the vehicle's performance and safety, as worn-out or damaged springs can lead to poor handling, uneven tire wear, and reduced ride comfort. Replacing the coil spring is a straightforward task for a skilled DIY mechanic, or it can be done by a professional service center.
In conclusion, the BMW 3 Series rear left or right coil spring (BMW part number: 851-931-931) is a vital suspension component that plays a crucial role in ensuring the vehicle's performance and safety. This high-quality part is engineered to provide excellent durability and performance, making it an ideal choice for BMW 3 Series owners seeking to maintain their vehicle's optimal performance.
Pros of buying a 2015-2020 BMW 3 Series 430i, 440i, or 428i with a single left rear coil spring:1. Reliability: BMW is known for its high-quality engineering and manufacturing, which means the car is likely to be reliable.
2. Performance: The 3 Series models offer impressive performance, including powerful engines and a smooth ride.
3. Luxury: These cars come with a range of luxury features, including high-end interior materials and advanced technology.
4. Resale value: BMWs tend to hold their value well, which can be a benefit if you plan to sell the car in the future.
Cons of buying a 2015-2020 BMW 3 Series 430i, 440i, or 428i with a single left rear coil spring:1. Cost: Replacing a single coil spring can be expensive, especially for a luxury car like a BMW.
2. Time-consuming: Replacing a single coil spring can be a time-consuming process, as it requires removing the wheel, suspension, and other components.
3. Potential for additional issues: If the left rear coil spring is worn out, it's possible that other suspension components may also be worn out and require replacement.
4. Limited availability: It may be difficult to find a single left rear coil spring for a specific model and year, which could require ordering it from the manufacturer or a specialty parts supplier.
Conclusion: While buying a 2015-2020 BMW 3 Series 430i, 440i, or 428i with a single left rear coil spring can be a cost-effective option, it's important to consider the potential costs and time involved in replacing the spring. If you're not comfortable performing the repair yourself, it may be worth considering having a professional mechanic do it for you to ensure it's done correctly. Additionally, it may be more cost-effective in the long run to replace all four coil springs at the same time, rather than just the left rear one.
Recommendation: If you're experiencing issues with your BMW 3 Series' suspension, it's best to have a professional mechanic inspect the car and provide recommendations for any necessary repairs. Replacing all four coil springs at once can help ensure that the suspension system is functioning properly and prevent further damage to other components.
They are of ONE-TIME USE and very often get damaged when the part is removed.
This item was previously used and may show some signs of imperfections such as surface scratches, slight fading, dirt/stains, scruffs, dents/dings normal wear tear.
Such components must be purchased ONLY NEW and are not included into the kit.
This item is in good and full working condition.
Do not think that they can be reused during installation.
In other words, they may be present on the parts but require mandatory replacement with NEW ones.
If an item arrives damaged. Shipping Information.