2007 Bmw 328I Specs​ – Your Essential Guide To Performance

ByRobert Lozano

The 2007 BMW 328i, a beloved member of the E90 generation, combines a spirited inline-six engine with BMW’s signature driving dynamics. For owners, aspiring buyers, and DIY enthusiasts, a deep dive into its core specifications is essential. This guide covers everything from engine details to common maintenance points, empowering you to better understand and care for your German sedan.

You own a 2007 BMW 328i, or perhaps you’re considering buying one. Either way, you know these E90 generation sedans offer a fantastic blend of luxury, performance, and everyday usability. But to truly appreciate and maintain your vehicle, understanding the precise 2007 BMW 328i specs is absolutely crucial. Knowing the details helps with everything from routine maintenance to diagnosing potential issues and even planning performance modifications.

At EngineNeeds, we believe in empowering car owners and DIY mechanics with the knowledge they need to tackle challenges head-on. This comprehensive guide will break down the key specifications of the 2007 328i, offering insights into its engine, drivetrain, chassis, and more. We’ll also provide practical tips, common maintenance advice, and highlight why these specifications matter in real-world driving and ownership scenarios.

Whether you’re checking fluid capacities, sourcing replacement parts, or just curious about what makes your E90 tick, this article is designed to be your go-to resource. Let’s dive in and unlock the full potential of your 2007 BMW 328i.

Engine & Powertrain: The Heart of Your 2007 BMW 328i

The core of the 2007 BMW 328i is its remarkable N52B30 naturally aspirated inline-six engine. This engine is renowned for its smoothness, linear power delivery, and impressive reliability when properly maintained.

N52B30 Engine Specifications

  • Engine Type: N52B30, Inline 6-cylinder, naturally aspirated
  • Displacement: 3.0 liters (2996 cc)
  • Horsepower: 230 hp (172 kW) at 6,500 rpm
  • Torque: 200 lb-ft (271 Nm) at 2,750 rpm
  • Valvetrain: DOHC (Double Overhead Camshaft), 24-valve with VANOS (Variable Valve Timing) and Valvetronic (Variable Valve Lift)
  • Compression Ratio: 10.7:1
  • Fuel System: Multi-point fuel injection
  • Required Fuel: Premium unleaded (91+ octane)

The N52 engine utilizes BMW’s advanced Valvetronic system, which eliminates the need for a traditional throttle body for most driving conditions, improving efficiency and responsiveness. VANOS further refines valve timing for optimal power and economy across the rev range. These systems contribute to the engine’s sophisticated feel but also require specific attention during maintenance, especially regarding oil quality and service intervals.

Transmission Options

The 2007 328i offered two robust transmission choices, catering to different driving preferences:

  • 6-Speed Manual Transmission: For enthusiasts who prefer direct control, the manual gearbox offers an engaging driving experience. Clutch fluid maintenance and proper shifting techniques are key to its longevity.
  • 6-Speed Automatic Transmission: Most 2007 328i models came with a 6-speed automatic transmission, often a GM 6L45R unit. While BMW initially marketed these as “sealed for life,” experienced mechanics recommend a fluid and filter change around 60,000-80,000 miles to ensure smooth operation and prevent costly issues down the road. Use only approved transmission fluids like ZF Lifeguard Fluid 6 or equivalents.

Regular fluid checks for both manual and automatic transmissions are paramount. For automatic units, watch for delayed shifts or slipping, which can indicate low fluid or internal wear. A professional diagnosis with an OBD-II scanner can provide specific fault codes.

Performance & Fuel Economy: What to Expect from Your E90

Understanding the performance metrics of your 2007 328i gives you a clearer picture of its capabilities and how it stacks up against contemporaries. These figures are based on factory testing and can vary slightly depending on vehicle condition, fuel quality, and environmental factors.

Acceleration and Top Speed

  • 0-60 mph (0-97 km/h): Approximately 6.3-6.7 seconds (manual transmission typically slightly quicker)
  • Top Speed: Electronically limited to 130 mph (209 km/h) in the US, or 155 mph (250 km/h) with the optional Sport Package.

These figures demonstrate the 328i’s ability to deliver spirited performance for daily driving and highway cruising. While not a dedicated M car, the N52 engine provides ample power for confident overtakes and an enjoyable experience on winding roads.

Fuel Efficiency

Fuel economy is an important consideration for any owner. The 2007 BMW 328i generally offers respectable MPG for its class, though real-world figures will vary based on driving style, traffic conditions, and maintenance.

  • EPA Estimated Fuel Economy (Automatic):
    • City: 19 MPG (12.4 L/100km)
    • Highway: 28 MPG (8.4 L/100km)
    • Combined: 22 MPG (10.7 L/100km)
  • EPA Estimated Fuel Economy (Manual):
    • City: 18 MPG (13.1 L/100km)
    • Highway: 28 MPG (8.4 L/100km)
    • Combined: 21 MPG (11.2 L/100km)

To maximize your fuel efficiency, ensure your tires are properly inflated, regularly replace air filters, and keep up with oil changes using BMW Longlife-01 approved synthetic oil. A clean mass airflow sensor (MAF) and properly functioning oxygen sensors also play a significant role.

See also How To Open The Gas Tank On A Bmw​ – Accessing Your Fuel Door

Dimensions, Weight, and Chassis: The Foundation of BMW’s Handling

The physical dimensions and structural components of the 2007 328i are crucial for understanding its handling characteristics, interior space, and even potential fitment for aftermarket parts. BMW’s E90 chassis is celebrated for its balanced weight distribution and agile feel.

Exterior Dimensions

  • Length: 178.2 inches (4526 mm)
  • Width: 71.5 inches (1816 mm)
  • Height: 55.9 inches (1420 mm)
  • Wheelbase: 108.7 inches (2761 mm)

These dimensions contribute to the 328i’s compact yet purposeful stance. When maneuvering in tight parking spots or considering garage space, these measurements are quite helpful.

Curb Weight and Weight Distribution

  • Curb Weight: Approximately 3,439 lbs (1560 kg) for automatic sedan
  • Weight Distribution: Nearly 50/50 front/rear, a hallmark of BMW engineering.

The balanced weight distribution is a key factor in the E90’s renowned handling. It allows for predictable cornering and a stable feel at speed. This balance is something many DIYers aim to preserve when adding modifications.

Chassis and Suspension

The 2007 328i features a sophisticated suspension system designed for both comfort and sporty handling.

  • Front Suspension: MacPherson strut with double-pivot lower control arms, coil springs, and anti-roll bar.
  • Rear Suspension: Multi-link independent suspension (5-link), coil springs, and anti-roll bar.
  • Brakes: Ventilated disc brakes all around (front and rear).
  • Steering: Rack-and-pinion with hydraulic power assist (some later E90s had electric power steering, but 2007 328i typically uses hydraulic).

Regular inspection of suspension components like control arm bushings, shock absorbers, and tie rods is vital. Worn bushings can lead to vague steering, uneven tire wear, and a noisy ride. When replacing brake components, always use quality parts and ensure proper bleeding to maintain safety and performance. A good set of jack stands and a torque wrench are indispensable for brake jobs.

Interior Comfort & Technology: Inside the 2007 BMW 328i

While often celebrated for its driving dynamics, the 2007 328i also offers a comfortable and well-appointed interior, blending classic BMW ergonomics with useful technology for its era.

Seating and Cargo Capacity

  • Seating Capacity: 5 passengers
  • Trunk Volume: 12.0 cubic feet (340 liters)

The interior provides supportive seating, especially with optional sport seats. The trunk, while not enormous, is practical for daily errands or a weekend trip. For off-roaders and riders, you might find yourself needing a roof rack for larger gear, but for daily use, it’s quite adequate.

Standard and Optional Features

Standard features typically included automatic climate control, a premium sound system, and power windows/locks. Optional features could significantly enhance the driving experience:

  • iDrive Infotainment System: Early versions could be clunky, but offered navigation and advanced control.
  • Premium Package: Leather upholstery, power seats, universal garage door opener.
  • Sport Package: Sport suspension, sport seats, larger wheels, and a higher top speed limiter.
  • Cold Weather Package: Heated front seats, ski bag.

When troubleshooting interior electronics, start with checking fuses. Many common issues, like a non-working cigarette lighter or a malfunctioning window, can often be traced back to a blown fuse. Consult your owner’s manual for fuse box diagrams.

Understanding 2007 BMW 328i Specs for Maintenance and Upgrades

Beyond just raw numbers, truly understanding the 2007 BMW 328i specs empowers you as an owner or DIY mechanic. This knowledge is your first line of defense against common issues and your roadmap for smart upgrades.

Key Fluids and Capacities

Knowing the correct fluid types and capacities is fundamental for proper maintenance.

  • Engine Oil: Approximately 6.9 quarts (6.5 liters) of BMW Longlife-01 approved synthetic oil (e.g., Castrol Edge, Mobil 1 European Car Formula 5W-30 or 5W-40). Regular oil changes every 7,500-10,000 miles are critical for the N52’s Valvetronic system.
  • Coolant: Approximately 7.4 quarts (7.0 liters) of BMW-approved blue coolant (antifreeze/water mix). Never use green or universal coolants; they can damage seals and components.
  • Brake Fluid: DOT 4. Flush and replace every 2 years regardless of mileage to prevent moisture buildup and maintain braking performance.
  • Power Steering Fluid: CHF 11S hydraulic fluid. Check level regularly; low fluid can indicate leaks or wear in the power steering system.
  • Differential Fluid: Specific BMW-approved synthetic gear oil. Check your owner’s manual for the exact specification and capacity (typically around 1.0-1.2 liters).

Always use the correct BMW-specified fluids. Substituting with generic alternatives can lead to premature wear and expensive repairs. When performing fluid changes, ensure the vehicle is on level ground and always refer to the factory service manual for precise torque specifications and procedures.

Common Issues & Proactive Maintenance for Your 328i

Even with excellent engineering, certain components on the 2007 328i are known to wear over time. Proactive maintenance based on the 2007 BMW 328i specs can save you significant trouble.

N52 Engine Specifics

  • Valve Cover Gasket (VCG) & Eccentric Shaft Sensor Gasket: These are common leak points. Symptoms include oil smell, visible oil on the exhaust manifold, and sometimes misfires if oil gets into spark plug wells. Replace with a quality OEM or reputable aftermarket kit.
  • Oil Filter Housing Gasket (OFHG): Another frequent oil leak source, often dripping onto the serpentine belt, which can then throw the belt. Address this promptly.
  • Electric Water Pump & Thermostat: Unlike older mechanical pumps, the N52 uses an electric water pump, which has a finite lifespan (typically 60,000-100,000 miles). Symptoms of failure include overheating warnings or reduced heater performance. It’s often replaced along with the thermostat as a preventative measure. This is a job best done by an experienced DIYer or professional, as it requires specific bleeding procedures.
  • PCV Valve/Hose (Integrated into Valve Cover): A failing PCV system can lead to excessive oil consumption or vacuum leaks.
See also 2020 Bmw M4 Competition​ – Mastering Performance And DIY Maintenance

When tackling these jobs, always have the right tools, including a torque wrench for critical fasteners, and plenty of shop rags. Disconnect the battery before working on electrical components. If you’re unsure, or if the job involves specialized tools or safety risks (like working with cooling systems under pressure), it’s always wise to consult a licensed professional.

Suspension & Braking System Checks

  • Control Arm Bushings: Look for cracking or excessive play. Worn bushings can cause clunking noises, especially over bumps, and lead to poor handling.
  • Brake Pad & Rotor Wear: The 328i uses a brake wear sensor. Pay attention to dashboard warnings. When replacing, ensure rotors are within thickness specifications. Always replace pads and rotors in pairs on an axle.
  • Tire Pressure Monitoring System (TPMS): Ensure tire pressures are correct. TPMS sensors can fail over time, requiring replacement and reprogramming.

For any suspension work, always support the vehicle safely on jack stands on a level surface. Never rely solely on a jack. When dealing with brakes, safety is paramount. If you’re not confident in your ability to perform a brake job, seek professional assistance.

Frequently Asked Questions About 2007 BMW 328i Specs

Here are some common questions car owners and DIY enthusiasts have about the 2007 BMW 328i.

What type of engine oil does a 2007 BMW 328i use?

The 2007 BMW 328i with the N52 engine requires BMW Longlife-01 approved synthetic oil, typically a 5W-30 or 5W-40 viscosity. Always check your owner’s manual or the oil fill cap for the most precise recommendation. Using the correct oil is critical for the proper function of the Valvetronic and VANOS systems.

What is the recommended tire pressure for a 2007 BMW 328i?

Recommended tire pressure can vary based on the specific tire size and load. You will find the correct pressures listed on a sticker inside your driver’s side door jamb or in your owner’s manual. Typically, it’s around 32-35 PSI for regular driving conditions. Always check cold tire pressure for accuracy.

Does the 2007 BMW 328i have a timing belt or chain?

The 2007 BMW 328i (E90) with the N52 engine uses a timing chain. Timing chains are designed to last the lifetime of the engine and generally do not require regular replacement like timing belts. However, it’s still crucial to maintain proper oil changes, as oil lubricates the chain and its tensioners.

What are the common signs of a failing electric water pump on a 2007 328i?

Common signs include an overheating engine warning light on the dashboard, the engine running hotter than usual, or reduced performance from your car’s heater. Sometimes, an OBD-II scanner will show specific fault codes related to the water pump. It’s a critical component, and failure can lead to significant engine damage if not addressed promptly.

Can I perform an oil change on my 2007 BMW 328i myself?

Yes, an oil change is a common DIY task for the 2007 BMW 328i. You’ll need a suitable oil filter wrench (often a 36mm socket), a drain plug wrench, a drain pan, and the correct BMW Longlife-01 approved synthetic oil and filter. Ensure you have the car safely elevated on jack stands or ramps, and always dispose of used oil responsibly. Remember to reset the oil service indicator afterward.

Understanding the intricate 2007 BMW 328i specs is more than just knowing numbers; it’s about empowering yourself as an owner. From the nuanced N52 engine to the robust chassis, every detail plays a role in your car’s performance, reliability, and maintenance needs. By staying informed and proactive, you can ensure your E90 continues to deliver that quintessential BMW driving experience for years to come.

Whether you’re tackling a DIY project or simply having an informed conversation with your mechanic, this knowledge is invaluable. Always prioritize safety, use the right tools, and when in doubt, don’t hesitate to consult a professional. Keep those wheels turning, and enjoy the drive!

Robert Lozano
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