WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Dinan Performance Coil Spring Set (D100-0929) is an expertly engineered suspension solution for the 2014-2021 BMW M235i/M240i (RWD), focused on transforming vehicle stance while significantly enhancing handling. This unique system achieves superior mechanical grip and stability by utilizing carefully calibrated spring rates and is designed to maintain suspension travel when paired with supplemental components (sold separately). The set lowers the vehicle by 1/2" in the front and a full 1" in the rear for an aggressive stance and optimized suspension geometry. The increased stiffness—10% stiffer in the front and 27% stiffer in the rear—actively reduces body roll, rear suspension compression under acceleration, and front suspension dive under braking. The springs are CNC wound with high tensile chrome silicon wire and shot-peened for stress relief, ensuring long-term durability and resistance to spring sag.
Features:
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Optimized Stance & Geometry: Lowers the vehicle by 1/2" (Front) and 1" (Rear) for an aggressive stance, compatible with both conventional and factory electronic shocks.
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Aggressive Stiffness Increase: Features a 10% increase in front spring stiffness and a 27% increase in rear spring stiffness, providing substantial reduction in body roll and improved steering responsiveness.
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Controlled Dynamics: The increase in stiffness reduces suspension dive and compression, delivering a more predictable and controlled feel in high-speed driving situations.
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Structural Integrity: Springs are CNC wound, shot peened, and made from high tensile chrome silicon wire to prevent spring sag and ensure lifetime durability.
Product contains:
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(4) Dinan Performance Coil Springs (Front and Rear)
Important Note: Dinan highly recommends that this Performance Spring set be purchased and installed with the corresponding Dinan Ride Quality and Handling Kit. Failure to install the matching component will result in unfavorable outcomes regarding poor ride quality and improper handling traits. This spring set is not compatible with xDrive models or the M235i/M240i convertible.
Warranty This product is supported by a Manufacturer's Warranty. While we will maintain a full warranty on product defects, any claims against improper handling or ride quality due to not purchasing the corresponding handling kit will not be warranted. Note: Manufacturer warranty terms are subject to change.
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