2007 Bmw 328I Specifications​ – Your Essential Guide To E90

ByRobert Lozano

Understanding the 2007 BMW 328i specifications is crucial for any owner, whether you’re performing routine maintenance, considering performance upgrades, or simply appreciating your vehicle’s engineering. This guide breaks down the key technical data, from engine details to chassis dimensions, providing practical insights for DIY mechanics and enthusiasts alike.

Ah, the E90 generation BMW 328i – a beloved machine for many driving enthusiasts. You’ve got a car known for its balanced handling, robust inline-six engine, and that unmistakable BMW driving feel. But truly owning and maintaining one means going beyond just enjoying the ride; it means understanding what makes it tick. Knowing the precise 2007 BMW 328i specifications is your first step towards informed maintenance, smarter upgrades, and a deeper appreciation for your German-engineered vehicle.

This comprehensive guide will equip you with all the vital specifications you need. From engine internals and powertrain details to chassis dimensions and fluid capacities, we’ll cover it all. By the end, you’ll have the practical knowledge to tackle common DIY tasks and make educated decisions for your E90.

Let’s dive into the core data that defines your 2007 328i.

Diving Deep into 2007 BMW 328i Specifications​: Engine and Powertrain

At the heart of your 2007 328i is BMW’s naturally aspirated N52B30 inline-six engine. This powerplant is a marvel of engineering, known for its smooth power delivery and iconic sound. Understanding its core specifications is vital for everything from oil changes to diagnosing performance issues.

Engine Details: The N52B30 Powerhouse

  • Engine Code: N52B30
  • Configuration: Inline 6-cylinder
  • Displacement: 2,996 cc (3.0 L)
  • Bore x Stroke: 85.0 mm x 88.0 mm (3.35 in x 3.46 in)
  • Compression Ratio: 10.7:1
  • Valvetrain: DOHC (Double Overhead Camshaft), 24-valve with VALVETRONIC (variable valve lift) and Double VANOS (variable valve timing)
  • Horsepower: 230 hp (172 kW) at 6,500 rpm
  • Torque: 200 lb-ft (271 Nm) at 2,750 rpm
  • Redline: 7,000 rpm
  • Fuel Type: Premium Unleaded (91+ RON recommended)
  • Oil Capacity: Approximately 6.9 quarts (6.5 liters) with filter
  • Recommended Oil Viscosity: BMW Longlife-01 approved, commonly 5W-30 or 5W-40. Always check your owner’s manual for the most accurate and up-to-date recommendations.

The N52 engine is known for its durability, but proactive maintenance is key. Common issues like a leaking valve cover gasket or a failing electric water pump can be costly if ignored. Regular oil changes with the correct BMW Longlife-01 approved synthetic oil are non-negotiable for longevity.

Transmission Options: Manual vs. Automatic

The 2007 328i offered two primary transmission choices, each with distinct characteristics:

  • 6-Speed Manual (GS6-17BG): For the purists, this transmission provides direct driver engagement. It’s robust, but clutch and flywheel wear are factors to monitor, especially on higher mileage vehicles.
  • 6-Speed Automatic (ZF 6HP19/6HP21): A smooth and responsive automatic, offering both D (Drive) and DS (Sport Drive) modes, along with manual shift capability. While often labeled “sealed for life” by BMW, many experienced mechanics and DIYers recommend a fluid and filter service around 60,000-80,000 miles to ensure its longevity. Use only BMW-approved ZF Lifeguard Fluid 6 or equivalent.

Understanding your transmission type is critical for ordering correct parts for maintenance, such as a clutch kit for a manual or a transmission fluid service kit for an automatic. Always double-check your specific vehicle’s build sheet.

Chassis and Suspension: The Foundation of BMW’s Handling

The E90 chassis is renowned for its near 50/50 weight distribution and sophisticated suspension design, contributing significantly to the 3 Series’ legendary handling. Knowing these structural 2007 BMW 328i specifications helps when diagnosing ride quality issues or planning suspension upgrades.

Suspension System: Precision and Comfort

  • Front Suspension: MacPherson strut with double-pivot lower control arms. This design offers excellent steering precision and feedback.
  • Rear Suspension: Five-link independent suspension. This multi-link setup allows for precise wheel control and stability, especially during cornering.
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Common wear items include control arm bushings, strut mounts, and shock absorbers. If your car feels floaty, clunks over bumps, or exhibits uneven tire wear, these components are likely candidates for inspection. Replacing them with quality aftermarket or OEM parts can dramatically restore the car’s original handling characteristics.

Braking System: Stopping Power Details

Safety is paramount, and the 328i’s braking system is designed for confident stopping power. Here are the key specs:

  • Front Brakes: Ventilated disc brakes, typically single-piston floating calipers.
  • Front Rotor Diameter: Approximately 330mm (13.0 inches)
  • Rear Brakes: Ventilated disc brakes, typically single-piston floating calipers.
  • Rear Rotor Diameter: Approximately 336mm (13.2 inches)
  • Brake Fluid Type: DOT 4. Regular brake fluid flushes (every 2 years) are crucial to prevent moisture buildup and maintain braking performance.

When replacing pads and rotors, ensure you source high-quality components designed for the E90. Don’t skimp on brakes; your safety, and the safety of others, depends on it.

Wheel and Tire Sizes: Grip and Stance

The 328i came with various wheel and tire combinations, depending on packages and regional markets. Here are common sizes:

  • Standard Wheel Size: 16-inch alloy wheels (e.g., 16×7.0J)
  • Optional Wheel Sizes: 17-inch (e.g., 17×8.0J) and 18-inch (e.g., 18×8.0J front, 18×8.5J rear) for sportier models.
  • Common Tire Sizes:
    • 205/55R16
    • 225/45R17
    • Front: 225/40R18, Rear: 255/35R18 (Staggered setup)
  • Lug Bolt Pattern: 5×120 mm
  • Center Bore: 72.56 mm
  • Recommended Tire Pressure: Always refer to the sticker on your driver’s side door jamb or in the owner’s manual, as it varies by tire size and load.

Choosing the correct tire size and ensuring proper inflation are critical for safety, handling, and fuel economy. Incorrect tire pressure can lead to premature wear and compromised vehicle dynamics. When considering aftermarket wheels, pay close attention to the offset and hub bore to ensure proper fitment and avoid rubbing.

Dimensions, Weight, and Capacities: Practical Measurements

Beyond the engine, understanding the physical dimensions and fluid capacities is essential for everything from parking to planning a road trip, and even knowing what spare parts to keep on hand. These 2007 BMW 328i specifications offer a complete picture of your vehicle.

Exterior Dimensions: Fit and Form

  • Length: 178.2 inches (4527 mm)
  • Width: 71.5 inches (1817 mm) (without mirrors)
  • Height: 55.9 inches (1420 mm)
  • Wheelbase: 108.7 inches (2760 mm)
  • Ground Clearance: Approximately 5.5 inches (140 mm). This is important for navigating speed bumps or uneven terrain, though the 328i is not an off-road vehicle.

These measurements help when considering garage space, car covers, or even navigating tight city streets. They also provide a baseline for understanding how aftermarket body kits or suspension modifications might alter the vehicle’s profile.

Interior and Cargo: Comfort and Utility

  • Seating Capacity: 5 passengers
  • Cargo Volume (Trunk): Approximately 12.0 cubic feet (340 liters). This is a respectable size for daily errands and weekend trips, but remember to secure any loose items to prevent them from becoming projectiles during sudden stops.

While not a cargo hauler, the 328i offers enough space for everyday needs. For DIYers, it means you can likely transport a moderate toolbox and some spare parts, but larger items like an engine hoist will require a truck or trailer.

Weight and Fuel Economy: Efficiency and Performance Balance

  • Curb Weight: Approximately 3,439 lbs (1,560 kg) for the sedan. This weight contributes to its solid feel on the road.
  • Fuel Tank Capacity: 16.1 gallons (61 liters)
  • EPA Estimated Fuel Economy (Automatic):
    • City: 20 MPG
    • Highway: 29 MPG
    • Combined: 23 MPG
  • EPA Estimated Fuel Economy (Manual):
    • City: 19 MPG
    • Highway: 28 MPG
    • Combined: 22 MPG

Your actual fuel economy will vary based on driving style, maintenance, and road conditions. Regular maintenance, including clean air filters and properly inflated tires, will help you achieve the best possible MPG.

Performance Metrics: What Your 328i Can Do

While not an M car, the 328i delivers a spirited driving experience. These performance 2007 BMW 328i specifications highlight its capabilities.

  • 0-60 mph (0-97 km/h): Approximately 6.2-6.5 seconds (Manual transmission typically slightly faster)
  • Top Speed: Electronically limited to 130 mph (209 km/h) in the US, or 155 mph (250 km/h) with the Sport Package.
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These figures demonstrate the N52 engine’s ability to provide strong, linear acceleration. For those considering performance modifications, understanding these baseline numbers helps in evaluating potential gains from intake upgrades, exhaust systems, or ECU tunes. Remember to always respect speed limits and drive safely.

Essential Fluids and Capacities for DIY Maintenance

Proper fluid levels and types are critical for your 328i’s health. Neglecting these can lead to costly repairs. Here’s a quick reference:

  • Engine Oil: Approximately 6.9 quarts (6.5 liters) of BMW Longlife-01 approved synthetic oil (e.g., 5W-30, 5W-40).
  • Coolant: Approximately 7.9 quarts (7.5 liters) of BMW-approved blue coolant (mix 50/50 with distilled water). Never use universal green coolant.
  • Brake Fluid: DOT 4. Capacity is small, typically less than 1 liter for a full flush.
  • Power Steering Fluid: CHF 11S (green hydraulic fluid). Do not use ATF.
  • Manual Transmission Fluid: Approximately 1.6 quarts (1.5 liters) of MTF-LT-3 or equivalent.
  • Automatic Transmission Fluid: Approximately 9.5-10.6 quarts (9-10 liters) for a full dry fill (ZF Lifeguard Fluid 6). A pan drop and filter change typically replace 5-7 liters.
  • Rear Differential Fluid: Approximately 1.1-1.3 quarts (1.0-1.2 liters) of hypoid gear oil, typically 75W-90 or 75W-140, depending on differential type. Check your differential tag.

Always use the specific fluid types recommended by BMW. Using the wrong fluid can cause severe damage to components like the power steering pump, transmission, or differential. When performing any fluid service, ensure the vehicle is on a level surface and follow proper torque specifications for drain plugs and fill caps.

Frequently Asked Questions About 2007 BMW 328i Specifications

What is the engine code for the 2007 BMW 328i?

The 2007 BMW 328i is equipped with the N52B30 engine, which is a 3.0-liter naturally aspirated inline-six cylinder engine.

What type of oil does a 2007 BMW 328i use and how much?

Your 2007 BMW 328i requires approximately 6.9 quarts (6.5 liters) of BMW Longlife-01 approved synthetic engine oil. Common viscosities include 5W-30 or 5W-40. Always refer to your owner’s manual for the most precise recommendation.

What are the common wheel bolt patterns and center bore for the E90 328i?

The 2007 BMW 328i (E90 chassis) uses a 5×120 mm bolt pattern and has a 72.56 mm center bore. This information is crucial when buying aftermarket wheels.

Is the 2007 328i’s automatic transmission “sealed for life”?

While BMW initially marketed the automatic transmission (ZF 6HP19/21) as “sealed for life,” most automotive experts and transmission manufacturers (like ZF) recommend a fluid and filter service between 60,000 to 80,000 miles. This helps ensure optimal performance and extends the transmission’s lifespan.

What kind of coolant does a 2007 BMW 328i use?

The 2007 BMW 328i uses BMW-approved blue coolant, which should be mixed 50/50 with distilled water. Using incorrect coolant types can lead to corrosion and damage to your cooling system.

Final Thoughts: Empowering Your E90 Ownership

Armed with these comprehensive 2007 BMW 328i specifications, you’re now better equipped to understand, maintain, and truly appreciate your vehicle. Whether you’re topping off fluids, ordering replacement parts, or planning a weekend project, having this data at your fingertips makes all the difference.

Remember, regular maintenance based on these specifications is key to the longevity and performance of your E90. Don’t hesitate to consult your owner’s manual for specific instructions and safety warnings, and if a job feels beyond your skill level, always call a licensed professional. Keep that inline-six purring, enjoy the drive, and stay safe on the road!

Robert Lozano
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