Riaction 1999-2005 BMW 3 Series E46 RWD Non-M Traction Plus Ultra Coilovers
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Refine the driving dynamics of your 1999-2005 BMW 3 Series E46 RWD Non-M with Riaction Traction Plus Ultra coilovers. Designed for rear-wheel-drive sport sedans and coupes, the TPU system improves braking stability, reduces excessive body roll, and delivers more consistent rear traction during spirited driving.
Traction Plus Ultra is engineered around our new digressive piston design, providing firm low-speed damping for stronger roll resistance and clearer steering feedback while maintaining composure as suspension velocity increases. On the E46 chassis, this results in flatter cornering, smoother transitional response, and improved mid-corner stability without sacrificing everyday comfort.
Each kit features a nickel-coated shock body for corrosion resistance and long-term durability. The hex screw preload collar locking system secures spring preload during repeated hard driving. Signature orange-coated non-MacPherson components add protection and a distinctive performance finish, while pillowball upper mounts are included where applicable to maximize suspension articulation and steering precision.
Every Traction Plus Ultra system is backed by our 2-year factory warranty.
🔧 Traction Plus Ultra Coilover Features:
Rear-Wheel-Drive Non-M Configuration
Full-Length Ride Height Adjustment
32-Level Damping Adjustment
New Digressive Piston Valving
Mono-Tube Damper Design
Nickel-Coated Shock Body for Corrosion Protection
Hex Screw Preload Collar Locking System
Signature Orange Coating on Non-MacPherson Components
Pillowball Upper Mounts (When Applicable)
44mm High-Flow CNC 6061 Aluminum Piston
CNC 6061 Aluminum Floating Piston
Polyurethane Oil Seals
SAE9254 Cold-Wound Performance Springs
Multi-Thickness Valving Shims
Low-Gas Pressure Internal Design
7.5w Compounded Suspension Fluid
Fully Rebuildable Coilover Assembly
⚙️ Factory Spring Rates:
Front: 8K
Rear: 8K
📧 International Orders:
For international shipping inquiries, please email us at info@riactionshocks.com
Deliver balanced rear-wheel-drive performance and improved chassis control in your 1999-2005 BMW 3 Series E46 Non-M with Traction Plus Ultra coilovers, engineered performance shocks from Riaction Performance Shocks.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.