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Introduction: Why Upgrade Your 2008 BMW 3 Series Full Wide Body Kit?

The 2008 BMW 3 Series (E90/E92) is a legendary sports sedan and coupe that blends power, agility, and luxury. Whether you’re a BMW enthusiast, a track day junkie, or someone who simply loves a bold, aggressive car, adding a full wide body kit can take your vehicle’s aesthetics and performance to the next level.

But why should you consider this modification?

Table of Contents

It transforms the exterior into a race-inspired machine.
It improves aerodynamics, reducing drag and increasing stability.
It allows for wider tires, boosting grip and cornering performance.
It creates a one-of-a-kind look that stands out on the road and at car shows.

In this comprehensive guide, we will cover everything you need to know about wide body kits for the 2008 BMW 3 Series, including:
✅ Best wide body kits available
✅ Installation process and expert tips
✅ Performance benefits
✅ Cost breakdown and budgeting advice
✅ Where to buy and how to choose the right kit

If you’re serious about modifying your BMW E90/E92, this guide is for you.

What is a Full Wide Body Kit?

A full wide body kit is a set of exterior modifications designed to increase the width of your vehicle. It generally includes:

🔹 Extended Fenders – Allows for wider wheels and an aggressive stance.
🔹 New Front and Rear Bumpers – Improves aerodynamics and cooling.
🔹 Side Skirts – Enhances the car’s streamlined look.
🔹 Rear Diffuser – Helps with airflow and downforce.
🔹 Spoiler/Wing (Optional) – Increases rear downforce for high-speed stability.

Types of Wide Body Kits

Bolt-On Wide Body Kit:

Easier to install, as fenders are added without cutting the original bodywork.
Ideal for those who want to revert to stock later.

Full Fender Replacement Kit:

Requires cutting the stock fenders for a seamless integration.
Best for permanent upgrades and track cars.

Custom Fabricated Wide Body Kit:

Designed for extreme custom builds with handmade metal or carbon fiber panels.
Most expensive but allows for complete design freedom.

Best Full Wide Body Kits for the 2008 BMW 3 Series (E90/E92)

5 Best Full Wide Body Kits for the 2008 BMW 3 Series

Choosing the right wide body kit depends on your budget, style preferences, and performance goals. Below are some of the top-rated options for the 2008 BMW 3 Series:

1. Pandem/Rocket Bunny Wide Body Kit

Best for: Track enthusiasts and aggressive styling lovers

🔹 Material: Fiberglass-reinforced plastic (FRP)
🔹 Includes: Front bumper, rear bumper, wide fender flares, side skirts, rear wing
🔹 Pros: Race-inspired aesthetics, precision fitment
🔹 Cons: Requires cutting of OEM fenders

2. Liberty Walk LB Works Wide Body Kit

Best for: Show cars and high-end custom builds

🔹 Material: Carbon fiber and fiberglass mix
🔹 Includes: Overfenders, bumpers, ducktail wing, rear diffuser
🔹 Pros: Exotic, JDM-inspired design
🔹 Cons: Expensive, not for budget builds

3. Duraflex E90/E92 Wide Body Kit

Best for: Budget-conscious modders

🔹 Material: Flexible Duraflex composite
🔹 Includes: Front and rear overfenders, bumper extensions, side skirts
🔹 Pros: Affordable, flexible for fitment
🔹 Cons: Requires extensive prep work

4. Clinched Wide Body Kit

Best for: Easy installation with bolt-on styling

🔹 Material: ABS plastic and fiberglass
🔹 Includes: Bolt-on overfenders, rear diffuser, front lip
🔹 Pros: No cutting required, easy to install
🔹 Cons: Limited availability

5. Maxton Design Wide Body Kit

Best for: Subtle yet aggressive OEM+ styling

🔹 Material: Polyurethane (PU)
🔹 Includes: Front bumper, side skirts, rear bumper, spoiler
🔹 Pros: Perfect for daily-driven vehicles
🔹 Cons: Less dramatic than full custom kits

What are the best places to buy a wide body kit for a 2008 BMW 3 Series

Amazon.com
- Variety: Offers a wide selection of body kits from various brands.
- Reviews: Provides customer reviews to help with purchasing decisions.
- Price Range: Prices vary widely depending on the kit and seller.
Andy’s Auto Sport
- Variety: Offers a wide range of body kits from over 40 brands.
- Selection: Includes options for different models and years of the BMW 3 Series.
- Price Range: Prices vary based on the kit, but they often have discounts available.
Alibaba
- Options: Features a variety of M3-style wide body kits for the BMW 3 Series, including those for the E90 model.
- Price Range: Prices start around $142.86 to $1,800 depending on the kit and material.
CARiD
- Options: Offers body kits like the Aero Function AF-5 Style Fiberglass Wide Body Kit.
- Price Range: Prices for kits like the Aero Function AF-5 Style range from $763.00 to $860.00.
MagnaTuning
- Options: Provides body kits specifically for the E92 and E93 models, including wide body kits.
- Price Range: Prices vary, with the M3 Drifter Wide Body Kit costing around $1,205.
Bimmerpost Forum
- Custom Options: While not a direct retailer, this forum can connect you with custom shops or enthusiasts who may offer bespoke wide body kits for your vehicle.

Installation Guide: How to Fit a Wide Body Kit on a BMW 3 Series

Installing a wide body kit is a complex process, especially if cutting and custom fitting are required. Here’s a step-by-step guide to help you through it.

1. Tools & Equipment Needed

✔️ Jack stands and jack – To lift the car for easy access.
✔️ Socket wrench set – For removing existing panels and securing new parts.
✔️ Cutting tools – Required if the stock fenders need modification.
✔️ Automotive primer and paint – For a seamless look after installation.
✔️ Body filler and sanding tools – For smoothing out any imperfections.

2. Step-by-Step Installation Process

1️⃣ Remove stock bumpers, side skirts, and fenders.
2️⃣ Test fit wide body panels before making modifications.
3️⃣ Cut or trim stock fenders (if required) to fit the new overfenders.
4️⃣ Bolt or bond the new wide fenders into place.
5️⃣ Apply primer, paint, and clear coat for a factory finish.
6️⃣ Reinstall wheels and adjust suspension for proper fitment.

Pro Tip: Pair your wide body kit with coilovers or air suspension to achieve the perfect stance.

Performance Benefits of a Wide Body Kit on the 2008 BMW 3 Series

Many people install wide body kits for aesthetic purposes, but there are real performance benefits as well. Here’s how a wide body conversion can improve handling, aerodynamics, and overall driving experience.

1. Improved Stability & Handling

When you increase the width of a car, you also increase its track width (the distance between the left and right wheels). A wider stance offers better stability, especially when cornering at high speeds.

✔️ Less body roll: Wider cars experience less lateral movement in turns.
✔️ Enhanced cornering ability: Wider tires provide more grip, allowing you to take sharp turns at higher speeds.
✔️ Better weight distribution: A wide body kit lowers the car’s center of gravity, improving overall balance.

🏎 Real-World Example:

A stock 2008 BMW 335i has a track width of 1500mm (front) and 1513mm (rear). By installing a wide body kit and fitting wider wheels, you can increase these measurements by 30mm to 50mm, significantly improving handling.

2. Increased Tire Width for Better Grip

With a wider body, you can install wider wheels and tires, resulting in:

✔️ More surface area for traction – Essential for grip during acceleration, braking, and cornering.
✔️ Better power transfer – Ideal for turbocharged or supercharged BMW 3 Series builds.
✔️ Reduced understeer/oversteer – Helps balance the car’s weight distribution.

🏎 Recommended Wide Wheel & Tire Setup for E90/E92:

Front: 19×9.5 ET22 with 255/35R19 tires
Rear: 19×10.5 ET25 with 275/35R19 tires

🔥 Pro Tip: For an aggressive stance, consider semi-slick performance tires like the Michelin Pilot Sport 4S or Toyo Proxes R888R.

3. Enhanced Aerodynamics & Downforce

A full wide body kit can improve aerodynamics by:

✔️ Reducing drag – Properly designed kits improve airflow.
✔️ Increasing downforce – Helps keep the car planted at high speeds.
✔️ Cooling benefits – Some kits feature vents that allow heat to escape from the engine bay.

🏎 Best Aerodynamic Upgrades to Pair with a Wide Body Kit:

Front Splitter – Reduces front-end lift.
Rear Diffuser – Directs airflow for improved stability.
GT Wing or Ducktail Spoiler – Increases downforce for better rear-end grip.

🚨 Warning: Poorly designed wide body kits can increase drag instead of reducing it. Always go for high-quality kits with wind tunnel-tested designs.

How Much Does a Full Wide Body Kit Cost?

Before diving into the installation process, it’s important to understand the costs involved in a full wide body conversion.

1. Breakdown of Costs

Expense	Price Range
Wide Body Kit	$1,500 – $8,000
Professional Installation	$3,000 – $7,000
Paint & Custom Work	$2,000 – $5,000
Wider Wheels & Tires	$2,000 – $5,000
Suspension Upgrades	$1,500 – $4,000
Total Estimated Cost	$8,000 – $20,000+

🔥 Budget Tip: If you install the kit yourself, you can save $3,000+ on labor costs.

2. Should You DIY or Hire a Professional?

💰 DIY Installation:
✔️ Saves money (Only costs for the kit and paint)
✔️ Gives you full control over the process
✔️ Ideal if you have experience with bodywork

🔧 Professional Installation:
✔️ Ensures perfect fitment and paint match
✔️ Saves time and effort
✔️ Best for complex kits that require cutting

🚨 Pro Tip: If your kit requires cutting the original fenders, it’s best to hire a professional.

Legal Considerations: Is a Wide Body Kit Street Legal?

Before installing a wide body kit, check local laws to avoid fines or restrictions.

1. Common Legal Issues

🚔 Fender Coverage Laws:
Some states require fenders to fully cover the tires to prevent debris from being thrown onto the road.

🚔 Vehicle Inspections & Registration:
Certain areas require modifications to be approved before registering the car.

🚔 Insurance Implications:
Some insurance companies increase rates for wide body kits, as they may be classified as a structural modification.

2. How to Stay Street Legal

✔️ Use fender flares to cover tires
✔️ Get your modifications inspected and approved
✔️ Inform your insurance company about changes

🚨 Pro Tip: Wide body kits are 100% legal for track use, but always double-check for street use regulations.

Customization & Styling: How to Make Your Wide Body BMW Unique

1. Custom Paint & Wraps

Once your wide body kit is installed, you can take it to the next level with paint or wraps.

🎨 Paint Options:

OEM Match – Blends with stock color.
Matte or Satin Finishes – For a stealthy, exotic look.
Pearlescent or Metallic Paints – High-end, show-quality finish.

🎭 Vinyl Wraps:

Cheaper than paint ($2,000 vs. $5,000)
Easily removable if you change your mind
Tons of color and design choices

🔥 Best Colors for a Wide Body E90/E92:
✔️ Nardo Gray
✔️ Satin Black
✔️ Alpine White with Carbon Accents

2. Interior Upgrades to Match the Exterior

Your BMW 3 Series exterior isn’t the only thing that should look great! Consider upgrading the interior as well.

🔥 Interior Mods to Pair with a Wide Body Build:
✔️ Carbon Fiber Trim – Matches aggressive exterior styling.
✔️ Alcantara Steering Wheel – Better grip and sporty feel.
✔️ Recaro or Sparco Racing Seats – Lightweight and stylish.
✔️ Roll Cage (For Track Use) – Added safety and rigidity.

Maintaining Your Wide Body BMW 3 Series for Longevity

Installing a full wide body kit is just the beginning. To ensure your BMW E90/E92 looks amazing and performs well for years, proper maintenance is essential.

1. How to Clean and Protect a Wide Body Kit

A wide body kit is more exposed to road debris, dirt, and weather conditions, which means regular cleaning and protection are necessary.

Cleaning Tips:

✔️ Use pH-neutral car shampoo to avoid damaging paint or vinyl.
✔️ Wash with a microfiber mitt to prevent scratches.
✔️ Avoid automatic car washes—use a touchless wash or hand wash.

🚨 Pro Tip: If your kit is made of carbon fiber, use a ceramic coating to protect it from UV rays and fading.

Protective Coatings for Wide Body Kits:

Coating Type	Benefits	Best For
Ceramic Coating	Protects paint from dirt & water	Painted kits & carbon fiber
PPF (Paint Protection Film)	Shields against rock chips	Front bumper, fenders
Vinyl Wrap Sealant	Extends wrap life	Wrapped wide body kits

2. Preventing Cracks and Damage on Fiberglass or Carbon Fiber Kits

Not all wide body kits are built the same. If you have a fiberglass kit, it is prone to cracks and stress fractures over time.

How to Prevent Damage:

✔️ Avoid driving over potholes and speed bumps at high speeds—this can crack fiberglass panels.
✔️ Check mounting points regularly to ensure they are secure.
✔️ Apply UV protection to carbon fiber kits to prevent yellowing.

🚨 Warning: If you track your car, a polyurethane or carbon fiber kit is a better option because fiberglass kits can crack under extreme stress.

3. How to Repair Damage to a Wide Body Kit

If your wide body kit suffers scratches, cracks, or dents, here’s how you can repair it:

Fiberglass Repair:

1️⃣ Sand the damaged area to remove loose material.
2️⃣ Apply a fiberglass repair kit with resin and cloth.
3️⃣ Sand and prime before painting.

Carbon Fiber Repair:

1️⃣ Use a carbon fiber repair kit (contains epoxy resin).
2️⃣ Apply resin over cracks and let it cure.
3️⃣ Buff and polish to restore shine.

Polyurethane Repair:

1️⃣ Heat the damaged area with a heat gun to reshape.
2️⃣ Use plastic filler for deep scratches.
3️⃣ Repaint if necessary.

🚨 Pro Tip: If the damage is severe, it’s best to replace the panel instead of attempting a repair.

Expert Recommendations for Wide Body Kit Installation & Performance

We reached out to BMW tuning experts and body shop professionals to gather their best tips and recommendations for installing and maintaining a wide body BMW 3 Series.

🔧 Javier R., Custom Auto Body Expert:

“The biggest mistake people make is not test-fitting the kit before painting it. Always do a dry fit to ensure proper alignment.”

🔧 Mike D., Performance Shop Owner:

“If you’re tracking your wide body BMW, invest in reinforced suspension. The added width changes how the car handles, so upgrading your coilovers or sway bars is a must.”

🔧 Liam K., Wrap & Paint Specialist:

“For a clean look, seamless blending is key. Don’t just bolt on the kit—use body filler and sanding for a factory-like finish.”

🚨 Pro Tip: Never cheap out on paint. A poorly painted wide body kit will fade and peel over time.

2. Real-World Wide Body BMW 3 Series Builds

Want inspiration for your own wide body build? Here are some famous wide body BMW E90/E92 projects that have been featured in car shows and social media.

🔥 Build #1: Liberty Walk E92 M3

Owner: @Autohaus_Performance
Kit Used: Liberty Walk LB Works
Mods:
- Wide fenders with exposed rivets
- 20” deep-dish wheels
- Full custom air suspension
Result: A super-aggressive stance with show-car quality finish.

🔥 Build #2: Track-Ready Pandem Wide Body E90 335i

Owner: @Turbo_Beemer
Kit Used: Pandem Rocket Bunny
Mods:
- Full roll cage & racing seats
- Carbon fiber hood & trunk
- Custom-built wide tires & RAYS wheels
Result: A functional race car with 500HP and track-ready aero.

🚨 Want to get featured? Post your wide body BMW build on Instagram with the hashtag #BMWWideBody!

Common Mistakes to Avoid with Wide Body Kit Installations

Even experienced car enthusiasts make mistakes when installing a wide body kit. Here are some common pitfalls to watch out for:

1. Not Properly Aligning the Kit Before Installation

✔️ Always test-fit each piece before applying glue or drilling holes.
✔️ Use alignment tape to mark proper placement.

2. Using the Wrong Type of Paint or Wrap

✔️ If painting, use professional automotive paint with UV protection.
✔️ If wrapping, choose a brand like 3M or Avery Dennison for durability.

3. Forgetting Suspension Upgrades

A wider track width changes handling, so you should:
✔️ Install coilovers to lower the center of gravity.
✔️ Upgrade sway bars for reduced body roll.
✔️ Get an alignment after installation.

🚨 Pro Tip: Don’t skip the alignment! A misaligned wide body kit can cause uneven tire wear and poor handling.

FAQs & Troubleshooting for Wide Body Kits

Installing a wide body kit on your 2008 BMW 3 Series is an exciting project, but you might run into some issues along the way. Here are the most common questions and solutions to potential problems.

1. Will a Wide Body Kit Affect My BMW’s Performance?

Yes, but mostly in a positive way. The wider stance and bigger tires improve handling and grip. However, added weight from fiberglass or carbon fiber may affect acceleration slightly.

🚨 Solution: Upgrade to lightweight wheels and carbon fiber panels to counteract any added weight.

2. Can I Install a Wide Body Kit on My Own?

It depends on the type of kit and your mechanical skills.

Bolt-on kits (like Clinched or Duraflex) can be DIY-friendly.
Full replacement kits (like Liberty Walk) require cutting stock fenders and should be installed by a professional.

🚨 Solution: If you’re unsure, get help from a trusted body shop to avoid costly mistakes.

3. Do I Need Special Wheels for a Wide Body Kit?

Yes! Stock wheels will not fit correctly with a wide body kit.

Recommended Wheel Setup for a Wide Body E90/E92:

Wheel Size	Front Tires	Rear Tires
19×9.5 ET22	255/35R19	N/A
19×10.5 ET25	N/A	275/35R19

🚨 Solution: Buy wheels with the correct offset (ET) to prevent rubbing against fenders.

4. How Do I Fix a Poor Fitment Issue with My Kit?

Sometimes, wide body kits don’t align perfectly due to manufacturing differences.

🚨 Solution:
✔️ Heat up polyurethane kits slightly to adjust their shape.
✔️ Use body filler to smooth out fiberglass panels.
✔️ Double-check alignment before painting or drilling holes.

5. Will My Car Pass Inspection with a Wide Body Kit?

It depends on your local laws. Some states require that fenders fully cover the tires, while others allow exposed wheels.

🚨 Solution: Install fender extensions if necessary, and check with your local DMV or vehicle inspection center.

Wide Body vs. Stock BMW 3 Series – A Detailed Comparison

Should You Keep Your 2008 BMW 3 Series Stock or Go Wide Body?

If you’re debating whether to install a wide body kit, here’s how the two setups compare:

Feature	Stock BMW 3 Series (E90/E92)	Wide Body BMW 3 Series
Aesthetics	Classic, clean lines	Aggressive, race-inspired stance
Handling	Balanced, good for daily driving	Wider stance improves cornering & grip
Wheels & Tires	Limited to stock sizes	Can fit wider performance tires
Aerodynamics	Moderate drag coefficient	Improved airflow and downforce
Cost	No additional cost	$8,000 – $20,000+
Street Legality	Always legal	May require fender extensions

Who Should Stay Stock?

Daily drivers who don’t want extra maintenance.
Owners who prefer OEM+ modifications over aggressive styling.

Who Should Go Wide Body?

Car enthusiasts who love unique, track-inspired builds.
Drivers who want better aerodynamics and wider tires.
BMW owners who attend car shows or track events.

Final Thoughts: Is a Wide Body Kit Worth It?

A wide body kit is one of the most aggressive modifications you can make to a 2008 BMW 3 Series. It completely transforms the car’s appearance while also offering better handling and aerodynamics.

Pros of a Wide Body Kit:

✔️ Turns heads everywhere – Your car will be unique and highly recognizable.
✔️ Improves grip and handling – Wider wheels = more stability.
✔️ Customization options are endless – Paint, wraps, carbon fiber, and more.

Cons of a Wide Body Kit:

❌ Expensive – Costs $8,000 – $20,000+ for a full setup.
❌ Not always street legal – Some regions require fender coverage.
❌ Requires maintenance – More prone to rock chips and road debris.

Final Verdict:

🚗 If you love aggressive styling and performance, a wide body kit is 100% worth it.

🚗 If you prefer a clean, OEM look, you may want to consider milder exterior mods instead.

FAQs – Quick Recap

1. How much does it cost to install a wide body kit?

💰 $8,000 – $20,000, depending on the kit, wheels, paint, and labor.

2. Do I need special wheels for a wide body kit?

Yes! Wider fenders require wider wheels and lower offsets.

3. Can I install a wide body kit myself?

✔️ Yes, if it’s a bolt-on kit.
❌ No, if it requires cutting fenders.

4. Will a wide body kit improve performance?

✔️ Yes! It improves handling, grip, and aerodynamics.

5. Is a wide body kit legal?

🚔 Check local laws—some places require fender extensions.