Lesjofors 4008529 Coil Spring - Front

Front Coil Spring for BMW 335i xDrive and 335xi

Lesjofors 4008529 is a front coil spring for select BMW 3 Series xDrive applications. It is built 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 suspension repair and ride-height restoration
• 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 4008529

Product Details

Lesjofors 4008529 is engineered as a replacement front coil spring for 2009-2011 BMW 335i xDrive and 2007-2008 BMW 335xi, excluding M-technology models. Lesjofors has a long history in spring manufacturing, and this spring follows the brand’s OE-focused production process with testing and protective finishing. This part cross-references BMW OE numbers 31336769915 and 31336769916 for the same application.

Common Repair Uses

• Restores front ride height after spring sag
• Addresses uneven stance at the front of the vehicle
• Replaces a cracked, broken, or fatigued coil spring
• Helps correct suspension noise caused by a damaged spring
• Supports proper front suspension geometry on BMW 335i xDrive and 335xi models

Installation Notes

Install on the front suspension only. Verify M-technology exclusion before ordering, and inspect related suspension components such as strut mounts, bump stops, and spring seats during service. Because the seat is not included, reuse or replace the existing seat as needed based on condition.

Quality Assurance

Lesjofors manufactures replacement springs to meet or exceed OE quality expectations using controlled processes that include heat treatment, shot peening, presetting, and testing. The brand has supplied springs for original equipment applications and is recognized for OE-style replacement coil springs in Europe.