Engineered in Europe with precision-crafted European components and meticulously assembled in the United States, this adjustable coilover suspension for the BMW 3 Series is unapologetically built for drivers who demand more than mediocrity. This is not a suspension for the bargain hunter scrolling through price tags—it’s for the enthusiast who understands that true performance comes from a bespoke system, not a spreadsheet comparison. Confidently positioned as the finest street coilover suspension available under $3000, it delivers uncompromising handling, adjustability, and refinement. If you’re searching for the ordinary, keep looking. If you want the best—welcome home.
Here are some key features of the Spec-S:
- Lowers 25-30mm
- 40mm inverted front shock insert
- 52mm threaded housing
- Fixed-length, 1 piece body
- HyperCoils springs with 250/450 spring rate
- 25lb helper springs on all four corners
- 36mm Bilstein COB piston (front inverted shock)
- 48mm Bilstein COB piston (rear inverted threaded body shock)
- Digressive Valving
- Stainless steel shim stack
- Electroplated shock body
- OEM style upper mounts
- Shock Dyno (4 shocks) included
Sample Images shown
Dežru Performance Suspension warrants to the original purchaser that these parts manufactured and/or sold by Dežru Performance Suspension (the product) is free from defects in material and workmanship under normal use. Dežru Performance Suspension warrants that the product will perform substantially in accordance with the specifications set forth in the documentation provided with it. The above express warranties are made for a period of the lesser of 12,000 miles or 36 months from the date the product is installed in your vehicle.
Any improper use, operation beyond capacity, substitution or addition of parts not approved by Dežru Suspension in writing, any alteration or repair by others, or any removal, defacing or altering of the identification shall void this warranty. There is no warranty on high-performance or race related parts due to the nature of usage.
