Finding the best coilover kits for BMW 4 Series involves balancing ride quality, handling, and affordability. The Godspeed MonoRS stands out for its premium build and precise damping, making it ideal for enthusiasts seeking performance. The FAPO Coilover offers versatile adjustability suitable for daily drivers who want a lowered stance without sacrificing comfort. Meanwhile, the maXpeedingrods Coilovers present a compelling value for those on a budget, providing reliable performance at a lower price point. Because these kits vary significantly in features and price, choosing the right one depends on your specific needs and expectations. Continue reading for a detailed breakdown of each option to find your perfect fit.
Key Takeaways
- The top picks balance ride comfort, handling, and ease of installation, which is essential for different driver needs.
- Adjustability features like damping and ride height significantly influence a coilover kit’s versatility and performance.
- Premium brands like Godspeed tend to offer better durability and tuning options, justifying higher prices.
- Value-oriented options like maXpeedingrods deliver good performance but may lack some fine-tuning features found in pricier kits.
- Compatibility and fitment details are critical; not all kits work equally well across all F30, F32, and F36 models.
More Details on Our Top Picks
FAPO Coilover for BMW 3 Series F30 2013-2019, for BMW 4 Series F30 F32 F33 F36 2013+, for BMW 2 Series F23 F22 2014-2021 Adjustable Height Mono-Tube Shock Suspension Lowering Strut Kit
This FAPO coilover kit stands out for being an affordable upgrade that offers adjustable height and mono-tube design, making it a solid choice for those on a budget. Compared to the Rev9 Hyper-Street coilovers, it provides a similar mono-tube construction but at a lower price point, though it comes with a notable tradeoff: its customer reviews are mixed, highlighting issues like cross-threaded components and lack of installation instructions. The self-developed rust-resistant surface treatment enhances durability, but some users report installation challenges and durability concerns. If you prioritize cost and ease of adjustment over premium build quality, this kit makes sense, but skip it if you seek long-term reliability or professional support. This kit is better suited for casual drivers or beginners willing to do some DIY work, not for performance enthusiasts or those seeking a trouble-free experience.Pros:- Affordable price point for entry-level upgrades
- Full-length height adjustment with simple operation
- Mono-tube shock design for improved handling
Cons:- Customer reviews indicate issues like cross-threading and durability
- Lack of detailed installation instructions complicates setup
- Potential rust and corrosion despite surface treatment
Best for: Budget-conscious beginners or casual drivers seeking an adjustable coilover for daily use
Not ideal for: Experienced enthusiasts or racers who demand high durability and detailed installation guidance
- Compatibility:BMW 3 Series F30 2013-2019, BMW 4 Series F30 F32 F33 F36 2013+
- Spring Rate Front:6 kg/mm (336 lbs/in)
- Spring Rate Rear:10 kg/mm (560 lbs/in)
- Adjustment Type:Full-length height adjustment
- Design:Mono-tube shock
- Spring Length Front:200mm
- Spring Length Rear:220mm
- Surface Treatment:Self-developed rust-resistant process
- Warranty:1 Year
Bottom line: This coilover kit suits new owners on a budget who want basic adjustable suspension but should be avoided by those demanding long-term reliability.
Rev9 R9-HPX-1052_1 Hyper-Street ONE Coilover Lowering Kit, Adjustable, Compatible With BMW 3-Series Sedan RWD (E90) 2006-11
Compared with the FAPO kit, the Rev9 Hyper-Street offers 16 damping adjustment levels, making it better suited for drivers looking to fine-tune handling characteristics. This mono-tube shock setup is ideal for performance upgrades, especially for those interested in track days or spirited driving. Its reputation for high customization, however, comes with a caveat: it requires professional installation and lacks detailed instructions, which can be a hurdle for DIYers. The kit’s spring rates—8 kg/mm front and 12 kg/mm rear—are tuned for aggressive handling, but the customer feedback notes issues with durability and fitment, especially for older models. If you want a suspension system that can be dialed in for different driving styles and are comfortable with complex installation, this makes a compelling choice; skip it if you prefer plug-and-play solutions or long-term dependability.Pros:- 16 damping adjustment levels for precise tuning
- Mono-tube construction enhances handling and responsiveness
- Upgraded springs for sporty performance
Cons:- Requires professional installation; no instructions included
- Mixed customer reviews highlight durability and fitment issues
- Potentially complex setup for inexperienced users
Best for: Experienced drivers seeking a highly adjustable, track-capable suspension system
Not ideal for: Casual owners or novices who need easy installation and reliable durability
- Application:BMW 3 Series E90 RWD 2006-2011
- Spring Rate Front:8 kg/mm (448 lbs/in)
- Spring Rate Rear:12 kg/mm (672 lbs/in)
- Damping Adjustment:16 levels
- Design:Mono-tube shock
- Lowering Range:1.25 to 2.25 inches
- Compatibility:BMW 3-Series Sedan RWD 2006-2011
- Warranty:Limited
- Additional Features:Rebuildable and re-valveable
Bottom line: This coilover set is perfect for performance-minded drivers who can handle detailed tuning and installation but not for those seeking convenience or long-term simplicity.
AdlerSpeed 18 Level Damper Coilovers Suspension Kit Compatible with BMW 3-Series RWD F30 12-18, BMW 4 Series 428i 430i 435i 440i 14-18
The AdlerSpeed A18 series offers 18 damping levels, appealing to beginners who want to experiment with ride quality without spending a fortune. Its mono-tube design and adjustable ride height make it flexible for daily driving and moderate performance upgrades. However, with only a 1.0-star customer review, reports of poor fitment and noise issues cast doubt on its reliability. In comparison to the Rev9 kit, it sacrifices some durability and precise tuning features for a lower price, which may not satisfy serious enthusiasts. The use of aircraft-grade spring and high-quality materials suggests potential, but the lack of positive user feedback indicates it should be approached cautiously. This kit is better for newcomers or those on a strict budget who understand the risks, but not recommended for demanding drivers.Pros:- 18 damping adjustment levels for versatility
- Full ride height adjustment for customization
- High-quality materials like aircraft-grade spring steel
Cons:- Customer reviews indicate poor fitment and noise issues
- Limited durability and questionable long-term performance
- Lack of detailed installation support
Best for: Beginner tuners or owners looking for an inexpensive, adjustable coilover option
Not ideal for: Performance or long-term reliability seekers, or those who value customer support
- Application:BMW 3 Series F30 2012-2018
- Spring Rate Front:8 kg/mm (448 lbs/in)
- Spring Rate Rear:12 kg/mm (672 lbs/in)
- Damping Adjustment:18 levels
- Design:Mono-tube shock
- Ride Height Adjustment:Yes
- Material:6061-T6 aluminum alloy
- Customer Ratings:1 star from 2 reviews
- Warranty:Not specified
Bottom line: Ideal for newcomers on a budget willing to accept potential quality issues, but unsuitable for those demanding durability and expert tuning.
maXpeedingrods Coilovers for BMW 3-Series F30 2013-2019 AWD, for BMW 4-Series F32 F33 F36 2013-2020 AWD, Height Adjustable Coilovers Suspension Kit, Preset Damping Lowering Kit Red
The maXpeedingrods coilover kit features preset damping, making it a practical choice for those who want a consistent handling experience without the complexity of adjustable valving. Its height adjustment range of 1-3 inches allows for a more aggressive stance, while the 6061 aluminum components provide strength and durability. Compared with the Rev9 or AdlerSpeed kits, this offers less customization but greater reliability for daily drivers seeking a straightforward upgrade. Customer feedback, however, is limited, and some reviews mention fitment issues or noise. The factory preset damping simplifies installation but may not satisfy enthusiasts who want fine-tuning capabilities. This makes it suitable for owners seeking a dependable, low-maintenance suspension upgrade, but not for those wanting custom tuning or extreme lowering.Pros:- Preset damping offers consistent handling
- Adjustable ride height up to 3 inches
- High-quality 6061 aluminum alloy components
Cons:- Limited tuning flexibility compared to fully adjustable kits
- Customer reviews are sparse and mention fitment concerns
- Not designed for extreme lowering or racing use
Best for: Daily drivers wanting reliable, factory-damped suspension with adjustable height
Not ideal for: Owners seeking highly customizable or performance-tuned coilovers for racing or aggressive setups
- Application:BMW F30 2013-2019 AWD, F32/F33/F36 2013-2020 AWD
- Spring Rate Front:6 kg/mm (336 lbs/in)
- Spring Rate Rear:10 kg/mm (230 lbs/in)
- Adjustment:Height adjustable 1-3 inches
- Damping:Preset, factory setting
- Material:6061-T6 aluminum alloy
- Compatibility:BMW 3 Series F30, 4 Series F32/F33/F36
- Customer Feedback:Limited, mixed
- Warranty:Not specified
Bottom line: A dependable choice for daily drivers who want a stable ride with simple height adjustment, not for performance tuning or aggressive setups.
maXpeedingrods Coilover for BMW 3 Series E90 E92 AWD 2006-2011 325xi 328xi 330xi 335xi X-Drive, 24 Levels Damper Adjustable Coilovers Suspension Kit, Height Adjustable T6 Upgraded Lowering Kits Blue
This coilover kit stands out for delivering a solid balance of performance and affordability, making it a compelling choice for those who want a significant upgrade without the steep price of premium brands like BC or Silver. It features a 24-level damping adjustment, allowing drivers to tailor handling for street, mountain, or track use—comparable to more expensive options but with a simpler setup. The preload-adjustable springs and height adjustment provide flexibility to achieve a more aggressive stance, although it requires some tuning to get the ride height just right. The preloaded front struts simplify installation, which is a plus for DIYers. Compared to the Rev9 Hyper-Street II, this kit offers more damping levels and better spring stress testing, but it lacks the advanced piston and bearing components that improve smoothness at high speeds. Overall, this set makes the most sense for enthusiasts seeking a capable coilover at a very attractive price point, especially if they are willing to spend time dialing it in.
Pros:- 24 damping adjustment levels for versatile tuning
- High tensile springs stress-tested over 600,000 cycles
- Adjustable ride height for aggressive stance
Cons:- Requires some tuning to achieve optimal ride height and handling
- Lacks advanced piston and bearing components for ultra-smooth performance
Best for: Budget-minded BMW owners who want a versatile coilover capable of handling street and occasional spirited driving.
Not ideal for: Pure track racers or those seeking maximum adjustability and premium ride quality, as it lacks the refined damping and piston technology of higher-end kits.
- Damping adjustment levels:24
- Spring rate front:13.5 kg/mm
- Spring rate rear:9 kg/mm
- Height adjustment:Thread-type, 1-3 inches
- Spring preload:7-10 mm
- Damper type:Gas-charged, adjustable
- Spring material:High tensile performance steel
- Compatibility:BMW 3/5 Series E90/E92 AWD 2006-2011
Bottom line: This coilover kit offers excellent value for drivers who want adjustable performance on a budget, provided they are willing to fine-tune it themselves.
Godspeed MRS1710-B MonoRS Coilover Suspension Lowering Kit for BMW 4-Series (F32) 2014-18
This set makes a strong impression with its 32 rebound force levels, offering precise damping control that appeals to both daily drivers and hobbyist racers. It features a mono-tube steel alloy shock with internal piston design, which ensures smoother stroke and durability compared to basic twin-tube systems like the Rev9 Hyper-Street II. The independent spring tension and height adjustment enable tailored handling while maintaining ride comfort—ideal for those who want a more controlled and sporty feel. The use of CNC-machined aluminum components and Koyo Japan bearings assures high quality and longevity. Compared with the maXpeedingrods kit, the Godspeed MonoRS offers more damping levels and a more refined piston design, but it comes at a higher price and may require professional installation for optimal setup. This kit is best suited for enthusiasts who value detailed damping tuning and high-quality components without going into premium price territory.
Pros:- 32 rebound adjustment levels for precise damping tuning
- High-quality mono-tube shock design for smoother stroke
- Independent ride height and spring pre-load adjustments
Cons:- Higher price point compared to simpler coilovers
- Install requires experienced professional setup for best performance
Best for: Daily drivers and amateur racers who want precise damping control and durability for spirited driving or track days.
Not ideal for: Budget buyers or those looking for simple, plug-and-play coilovers without extensive tuning, as this kit demands more setup and investment.
- Damping adjustment levels:32
- Shock diameter:52mm
- Spring rate front:8 kg/mm
- Spring rate rear:10 kg/mm
- Construction:Mono-tube steel alloy
- Spring tension adjustment:Independent
- Ride height adjustment:Yes
- Warranty:1 year limited
Bottom line: This coilover set is perfect for drivers who want detailed damping customization and high-quality components, especially for spirited street or track use.
Rev9 Hyper-Street II Coilovers Lowering Kit, compatible with BMW 3-Series (1999-2006 E46 RWD ONLY)
This coilover kit is designed for older E46 models, offering adjustable ride height and spring tension with a straightforward approach. It is notably lightweight at just 3 pounds and emphasizes independent spring tension and ride height adjustments, allowing some degree of customization. While it lacks detailed damping adjustment or advanced piston technology, it still provides a noticeable upgrade over stock suspensions for owners who want to lower their E46 without a big financial outlay. Its simplicity makes it less suitable for high-performance or track-focused driving but perfect for daily use and casual spirited driving for enthusiasts working within a budget. Compared to the more modern options for F32 or F30 models, the Hyper-Street II is less refined but remains a solid choice for vintage BMW owners.
Pros:- Independent spring tension and ride height adjustment
- Lightweight and easy to install for experienced professionals
- Affordable price for E46 enthusiasts
Cons:- No damping adjustment, limiting handling tuning
- No included installation instructions, requiring professional setup
Best for: Owners of BMW E46 3-Series seeking a budget-friendly, adjustable lowering kit for daily driving or casual club events.
Not ideal for: Modern BMW 4 Series owners or those seeking advanced damping control and ride quality, as this kit is tailored for older chassis and lacks finer tunability.
- Spring tension adjustment:Independent
- Ride height adjustment:Yes
- Spring rate:Not specified
- Material:Standard steel
- Weight:3 pounds
- Compatibility:BMW E46 RWD 1999-2006
Bottom line: This coilover kit provides a good entry-level lowering solution for E46 owners on a budget, but it isn’t suitable for aggressive racing setups.
How We Picked
Our evaluation focused on key factors that matter most to BMW 4 Series owners: build quality, adjustability, ride comfort, ease of installation, and value for money. We prioritized kits that are specifically designed for the F30, F32, and F36 models to ensure proper fitment. Performance features like damping adjustment, ride height range, and durability were heavily weighted, as they directly impact daily driving and enthusiast use. We also considered user feedback and brand reputation to balance affordability with long-term reliability. The ranking reflects a combination of these criteria, aiming to recommend options for different types of drivers—from casual enthusiasts to serious tuners.
Factors to Consider When Choosing Best Coilover Kits For BMW 4 Series
Choosing the best coilover kit for your BMW 4 Series involves understanding your driving style, desired handling, and budget. Not all kits are created equal, and a few key factors can help you make a smarter choice that matches your expectations without overspending or sacrificing quality.Adjustability and Tuning Options
Look for kits that offer damping and ride height adjustments if you want to fine-tune your car’s handling. More adjustment options provide greater flexibility to optimize for comfort or performance, but they often come at a higher price. If you’re new to coilovers, choose a kit with preset damping settings to simplify installation and setup. Advanced users should prioritize kits with full damping control for maximum customization.
Build Quality and Durability
High-quality materials like T6 aluminum and monotube designs tend to resist wear better over time, especially if you plan to track or drive aggressively. Cheaper kits may save money upfront but can lead to issues like leaks, corrosion, or inconsistent damping. Consider reputable brands that use durable components and have positive user reviews to ensure longevity and reliable performance.
Compatibility and Fitment
Ensure the coilover kit is specifically designed for your BMW 4 Series model, as fitment issues can compromise safety and handling. Verify the year and body style compatibility—F30, F32, or F36—and check if the kit suits your drivetrain layout (RWD vs. AWD). Proper fitment also affects ride quality and ease of installation, so double-check manufacturer specifications before purchasing.
Budget and Value
While premium kits deliver superior performance and durability, they come with a higher price tag. Budget options can be suitable for daily drivers or first-time coilover users, but they might lack some tuning finesse. Consider your long-term goals: if you plan to upgrade your suspension or track your car regularly, investing in a higher-quality kit can save money and headaches down the line.
Installation and Maintenance
Simpler, bolt-on kits reduce installation time and complexity, ideal for DIY enthusiasts. Be aware that some coilovers require periodic adjustments or maintenance, especially if they are adjustable. Reading user feedback on ease of setup and ongoing care can help you select a kit that fits your mechanical comfort level and maintenance preferences.
Frequently Asked Questions
Will installing coilovers affect my BMW’s ride comfort?
Yes, coilovers typically stiffen the suspension compared to stock components, which can lead to a firmer ride. However, many kits offer damping adjustments that allow you to balance comfort and handling. If ride comfort is a priority, choose a kit with softer damping settings or preset options designed for daily driving. Proper setup and alignment are also essential to maintain a comfortable ride while improving handling.
Are coilover kits suitable for daily street driving?
Most coilover kits are designed to provide a good balance between performance and daily usability. Kits with adjustable damping and ride height give you flexibility to tune the suspension for comfort or sportiness. However, extremely stiff setups may be uncomfortable on rough roads or potholes, so consider your local road conditions and your comfort preferences before selecting a kit.
How difficult is it to install coilovers myself?
Installation complexity varies depending on the kit and your mechanical skill level. Some kits are straightforward bolt-on upgrades suitable for DIY installation with basic tools, while others may require more advanced mechanical knowledge or professional help. Reading detailed installation instructions and user reviews can help gauge how challenging a particular kit might be for you.
Do I need an alignment after installing coilovers?
Yes, installing coilovers usually necessitates a wheel alignment to ensure proper handling, tire wear, and safety. Changes in ride height and suspension geometry can affect your car’s alignment angles. It’s advisable to schedule an alignment shortly after installation, especially if you lower the vehicle significantly, to maintain optimal driving performance and tire longevity.
How long do coilover kits typically last?
The lifespan of coilover kits depends on build quality, usage, and maintenance. Premium kits with quality components can last for many years and even hundreds of thousands of miles if properly maintained. Cheaper options may wear out faster, especially under aggressive driving conditions. Regular inspections and maintenance, such as checking for leaks and corrosion, can extend the life of your suspension components.
Conclusion
For those seeking the best overall performance, the Godspeed MonoRS offers premium build quality and precise tuning for serious driving. Budget-conscious buyers should consider the maXpeedingrods Coilovers for reliable performance at a lower cost. Newcomers or daily drivers will find the FAPO Coilover an accessible choice with straightforward installation and decent adjustability. Enthusiasts aiming for a perfect blend of comfort and sportiness might prefer the Rev9 Hyper-Street ONE or AdlerSpeed kits, which deliver versatile tuning options. Ultimately, your choice depends on your driving style, budget, and long-term goals—select the kit that best aligns with your needs.
