H&R 28878-2 Sport Lowering Springs for 12-20 BMW 320i/328i/335i/340i/430i/440i

Vehicle Fitment

• 2012-2020 BMW 3-Series (F30/F31/F34; includes 320i, 328i, 335i, 340i RWD)
• 2014-2020 BMW 4-Series (F32/F33/F36; includes 428i, 430i, 435i, 440i RWD)

Fitment Notes

• Covers all RWD F30, F31, F34, F32, F33, F36 models within listed years
• Not compatible with xDrive (AWD) variants or non-BMW models
• Lowering amount varies depending on sport package: ~1.3" front / ~1.0" rear

Features

• Progressive-rate sport springs improve handling and steering response
• Lowered ride height enhances stance while maintaining comfort
• Reduces body roll and enhances dynamic stability
• Made from shot-peened 54SiCr6 high-tensile spring steel
• Durable powder-coated finish for corrosion protection
• Seamlessly integrates with OEM suspension components
• German-engineered under ISO manufacturing standards
• TUV-certified for road legality

Specifications

• Part Number: 28878-2
• Lowering: approx. 1.3" front / 1.0" rear on non-Sport suspension
• Material: 54SiCr6 spring steel, shot-peened
• Finish: Powder-coated black
• Weight: Approx. 22 lb total kit
• Application: RWD BMW 3/4-Series (F30/F31/F34/F32/F33/F36) 2012-2020
• Certification: TUV street-legal

Included Components

• 2x Front Sport Lowering Springs
• 2x Rear Sport Lowering Springs
• Fitment ID labels
• Installation instructions and warranty documentation

Product Description

The H&R 28878-2 Sport Lowering Spring Kit is engineered for RWD models of the BMW 3-Series (F30/F31/F34) and 4-Series (F32/F33/F36) produced between 2012 and 2020. These springs lower the vehicle approximately 1.3" in the front and 1.0" in the rear (on non-Sport suspension), delivering a sharper stance and improved handling dynamics while preserving ride comfort.

Constructed in Germany from shot-peened 54SiCr6 spring steel and finished with a durable powder coat, this kit reduces body roll, enhances stability, and offers a clean OEM fit. TUV-certified and built to ISO standards, these springs integrate seamlessly with stock suspension setups for confident everyday performance.