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Lesjofors 4008528 Coil Spring - Front
| Brand | Lesjofors 4008528 |
|---|---|
| Position | Front |
| Seat Included | No |
| Fits | BMW · 13 vehicles |
OE-grade engineering. High-strength steel, heat-treated and shot-peened for durability and consistent performance.
Factory-tested design. Pre-set and tested before shipment to ensure proper fit and function.
European market leader. Trusted OE supplier for production vehicles worldwide since 1852.
Cross-references 31336851921 and 31336851922 for the same application. See all 2.
Lesjofors Front Coil Spring for BMW
Lesjofors 4008528 is a front coil spring built for select BMW 3 Series and 4 Series applications with sports suspension. It is engineered to OE-quality standards and finished for corrosion resistance, making it a direct replacement for worn or sagging front suspension springs.
Key Features
- Front coil spring for select BMW applications
- Seat included: No
- Manufactured from high-strength steel
- Heat treated, shot peened, and pre-set for consistent performance
- Zinc phosphate coated and epoxy powder coat painted for added protection
- Lesjofors part number 4008528
Fitment Details
- Fits 2016-2018 BMW 340i, front
- Fits 2014-2016 BMW 428i, front
- Fits 2014-2016 BMW 435i, front
- Fits 2014-2015 BMW 335i, front, w/ sports suspension
- Fits 2012-2013 BMW 335i, front, fits vehicles with Sports Suspension
This Lesjofors coil spring is a direct-fit replacement for BMW 340i, BMW 428i, BMW 435i, and BMW 335i front suspension setups listed above. Part number 4008528 cross-references BMW OE numbers 31336851921 and 31336851922 for the same application.
Common Problems It Can Address
- Front ride height that has dropped from spring fatigue
- Uneven stance caused by a weakened coil spring
- Noise or harshness from a worn front spring
- Loss of suspension support on sports suspension-equipped BMW models
- Restoring proper front-end spring rate after replacement
Installation Notes
Install on the front axle only and verify the vehicle is equipped with the listed sports suspension configuration where noted. Because this spring is supplied without a seat, reuse or replace related suspension components as needed during service. Always replace springs in matched pairs when the opposite side shows similar wear.
Quality Assurance
Lesjofors manufactures replacement coil springs using high-strength steel and a multi-step process that includes heat treatment, shot peening, zinc phosphate coating, epoxy powder coating, presetting, and testing. The brand has a long spring-making history dating back to 1852 and supplies OE springs for a range of performance vehicles.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | BMW | 340i | Sedan | Front | — |
| 2017 | BMW | 340i | Sedan | Front | — |
| 2016 | BMW | 340i | Sedan | Front | — |
| 2016 | BMW | 428i | Convertible | Front | — |
| 2016 | BMW | 435i | Coupe | Front | — |
| 2015 | BMW | 335i | Sedan | Front | w/ sports suspension |
| 2015 | BMW | 428i | Convertible | Front | — |
| 2015 | BMW | 435i | Coupe | Front | — |
| 2014 | BMW | 335i | Sedan | Front | w/ sports suspension |
| 2014 | BMW | 428i | Convertible | Front | — |
| 2014 | BMW | 435i | Coupe | Front | — |
| 2013 | BMW | 335i | Sedan | Front | Fits vehicles with Sports Suspension. |
| 2012 | BMW | 335i | Sedan | Front | Fits vehicles with Sports Suspension. |
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