AST Lowering Springs For BMW 3 4CYL. 10/1999-09/2005, Front 40 , Rear 30

The AST Lowering Springs are engineered specifically for BMW 3 4CYL models produced between 10/1999 and 09/2005. Manufactured using advanced Wafios coiling machines, these springs are cold-coiled to ensure superior durability and precision. Designed to lower the vehicle’s center of gravity, they enhance handling and stability without compromising the ride comfort typically expected from OEM springs.

These springs provide a direct replacement for original equipment, tailored to meet the exact specifications of your vehicle. The progressive spring design balances performance improvements with everyday usability, making them suitable for both spirited driving and daily commuting. The use of premium materials and meticulous manufacturing processes guarantees long-lasting performance and reliability.

AST offers a lifetime warranty against breaking, reflecting the confidence in the product’s quality and robustness. This assurance provides peace of mind, knowing that your investment is protected. The lowering springs contribute to improved vehicle dynamics by reducing body roll and enhancing cornering capabilities, which is essential for drivers seeking a sportier yet comfortable driving experience.

Lowering Specifications

• Front lowering: 40 mm
• Rear lowering: 30 mm
• Cold-coiled springs for optimal strength and consistency
• Progressive spring rate designed to maintain comfort and improve handling

Compatibility

• Specifically developed for BMW 3 4CYL models
• Applicable to vehicles manufactured from October 1999 to September 2005
• Direct OEM spring replacement
• Compatible with a wide range of suspension setups

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.