Description

Additional Info

Shipping policy

BP PRICING DIFFERENCE

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Description

MMX Lowering Springs for F32 / F36 BMW 4 Series

MMX Performance’s Lowering Spring Kit offers the ideal balance of enhanced aesthetics and improved driving dynamics — without compromising everyday ride quality. Designed specifically for the BMW F32 and F36 4-Series, this best-selling upgrade lowers the center of gravity by up to 40mm at the front and 35mm at the rear (model dependent), resulting in noticeably sharper turn-in, reduced body roll, and more composed handling. Engineered with carefully selected progressive spring rates, the springs maintain smooth low-speed ride comfort while unlocking the chassis’ full potential during spirited driving — delivering a lighter, more responsive feel through corners. The visual transformation is equally compelling, with a more aggressive and purposeful stance that remains refined and street-friendly. Unlike excessively low or overly stiff setups that can lead to mismatched damping and poor ride quality, MMX Performance springs are tuned to work seamlessly with both standard and Adaptive M dampers. For vehicles equipped with factory M Sport suspension, which is already approximately 10mm lower than standard, the MMX kit builds on that foundation to deliver a confident and cohesive upgrade.

Features

Progressive spring rates for balanced ride comfort and performance
Lowers vehicle’s center of gravity
Reduced body roll and sharper turn‑in
Retains ride quality, especially at lower speeds
Engineered for improved stance and visual aggression
Durable coating / black finish to resist corrosion and wear
Compatible with stock and Adaptive M dampers
Sold as a whole spring set (2 front springs and 2 rear springs)

Specifications

Lowering Amount:
- F32 4-Series RWD:
  - Front: 30mm
  - Rear: 30mm
- F32 4-Series xDrive:
  - Front: 30mm
  - Rear: 25mm
- F36 4-Series RWD:
  - Front: 30mm
  - Rear: 30mm
- F36 4-Series xDrive:
  - Front: 40mm
  - Rear: 35mm

Applications

BMW 4 Series: F32, F36 (2013-2020)

Notes

Also compatible with M Sport models
Does not fit F33 Convertible models, or M4 models
Sold as a whole spring set (2 front springs and 2 rear springs)
Images are generic, actual product may vary

About MMX Performance

MMX Performance is a UK‑based specialist in performance parts for BMW and MINI vehicles, crafting high‑quality upgrades that blend precision engineering, rigorous testing, and motorsport heritage. Driven by enthusiast culture, MMX designs its products in the UK — often putting them through track validation — to ensure durability, fitment accuracy, and on-road performance. Their catalog spans drivetrain components, spacers, hardware, and chassis enhancements, all tailored to elevate both the driving experience and visual appeal of BMW and MINI models.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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MMX Lowering Springs for F32 / F36 BMW 4 Series

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MMX Lowering Springs for F32 / F36 BMW 4 Series

Features

Specifications

Applications

Notes

About MMX Performance

Reviews