2007 Bmw 3 Series 328I Specs​ – Your Definitive Guide To The E90’S

ByRobert Lozano

Considering a 2007 BMW 328i? This comprehensive guide dives deep into the vehicle’s key specifications, performance, and common maintenance points. Whether you’re a seasoned BMW enthusiast or a new owner looking to understand your E90, we’ll equip you with the knowledge to maintain and appreciate this iconic sedan.

The 2007 BMW 3 Series 328i, part of the beloved E90 generation, represents a sweet spot for many enthusiasts and daily drivers alike. It blends BMW’s signature driving dynamics with a naturally aspirated inline-six engine, offering a balanced and engaging experience without the complexities of forced induction. Understanding the specific capabilities and characteristics of this model is key to maximizing its potential and ensuring a long, happy ownership.

For DIY mechanics and car owners, knowing the precise 2007 bmw 3 series 328i specs​ is more than just trivia; it’s essential for proper maintenance, troubleshooting, and even contemplating performance upgrades. This article will break down everything you need to know, from the robust N52 engine to its capable chassis, helping you become a true expert on your E90.

We’ll cover the core mechanicals, interior features, and provide practical advice for keeping your 328i running smoothly. Prepare to gain deep insights into what makes this particular 3 Series a standout choice for those who appreciate engineering and driving pleasure.

Unpacking the 2007 BMW 3 Series 328i Specs: The Heart of the E90

At the core of the 2007 328i lies BMW’s renowned N52B30 engine, a naturally aspirated 3.0-liter inline-six. This powerplant is celebrated for its smoothness, linear power delivery, and characteristic BMW engine note. Understanding its specific outputs and design is crucial for any owner.

Engine and Performance Figures

The N52 engine in the 328i utilizes advanced features like magnesium/aluminum composite construction for reduced weight and Valvetronic, BMW’s variable valve lift system, for optimal efficiency and power. This engine delivers a compelling blend of everyday usability and spirited performance.

  • Engine Type: N52B30 inline-six, naturally aspirated
  • Displacement: 3.0 liters (2996 cc)
  • Horsepower: 230 hp (172 kW) at 6,500 rpm
  • Torque: 200 lb-ft (271 Nm) at 2,750-4,250 rpm
  • Redline: Approximately 7,000 rpm
  • 0-60 mph: Around 6.1-6.5 seconds (depending on transmission and body style)
  • Top Speed: Electronically limited to 130 mph (209 km/h) or 155 mph (250 km/h with Sport Package)

These figures highlight the engine’s flexibility. It provides strong low-end torque for city driving and plenty of power higher in the rev range for highway passing. Remember, consistent performance relies on regular oil changes with the correct synthetic oil, like BMW LL-01 approved 5W-30 or 5W-40.

Transmission Options and Fuel Economy

The 2007 328i offered two excellent transmission choices, catering to different driving preferences. Both transmissions are robust and well-matched to the N52 engine.

  • 6-Speed Manual Transmission: For enthusiasts who prefer direct engagement, the manual gearbox offers precise shifts and a truly connected driving experience.
  • 6-Speed Automatic Transmission: A smooth-shifting automatic with a sport mode, providing convenience without sacrificing too much of the BMW driving feel. This transmission is known for its durability when properly maintained with fluid and filter changes.

Fuel economy for the 2007 328i is respectable for a luxury sports sedan of its era. Expect around 19-21 MPG city and 28-30 MPG highway, varying slightly between manual and automatic transmissions. Always use premium unleaded gasoline (91 octane or higher) to ensure optimal engine performance and longevity.

Chassis and Suspension: Driving Dynamics of the E90 328i

BMW’s reputation for exceptional handling is largely due to its meticulously engineered chassis and suspension systems. The E90 328i is no exception, providing a balanced and communicative ride that makes every drive enjoyable.

Suspension, Steering, and Brakes

The E90 chassis provides a rigid platform for the suspension to work effectively. Up front, you’ll find a MacPherson strut design, while the rear features a sophisticated multi-link setup. This combination contributes to the car’s flat cornering and comfortable ride quality.

  • Front Suspension: MacPherson strut with forged aluminum control arms.
  • Rear Suspension: Five-link independent suspension.
  • Steering: Hydraulic power steering, delivering excellent road feel and precision. This is a key differentiator from later BMWs with electric power steering.
  • Brakes: Four-wheel vented disc brakes, providing strong and consistent stopping power. Front rotors are typically 330mm, rear 300mm. Regularly inspect brake pads and rotors; quality aftermarket replacements like Akebono ceramic pads can reduce dust.

For DIYers, understanding these components is vital for tasks like replacing control arm bushings or upgrading suspension components. Always use a proper jack and jack stands when working under the vehicle, and wear appropriate safety gear.

Weight Distribution and Handling Characteristics

One of the hallmarks of a BMW 3 Series is its near 50/50 weight distribution. This meticulous engineering ensures predictable handling and responsiveness, allowing the car to feel balanced through corners. The 328i’s lighter N52 engine further enhances this balance compared to its heavier turbocharged counterparts.

The E90 328i offers a fantastic blend of sportiness and comfort. It’s agile enough for spirited driving on winding roads yet composed enough for long highway journeys. If you notice any looseness in the steering or excessive body roll, inspect your suspension components, especially the front control arm bushings and sway bar end links, which are common wear items.

Interior Comfort and Technology: A Driver-Focused Cabin

The interior of the 2007 328i is designed with the driver in mind, offering ergonomic controls, quality materials, and a range of technology features that enhance the driving experience. While not as feature-laden as modern cars, it provides a solid, premium feel.

Seating, Materials, and Ergonomics

Standard seating typically includes comfortable, supportive seats, often upholstered in “Leatherette” (synthetic leather) or optional genuine leather. The dashboard layout is intuitive, with essential controls easily accessible.

  • Seating: Standard manual or optional power-adjustable front seats. Sport seats with adjustable bolsters were available with the Sport Package.
  • Materials: High-quality plastics, aluminum trim, or optional wood trim.
  • Ergonomics: Driver-centric cockpit design with clear instrumentation.
See also 06 Bmw 325I Battery Replacement​ – Restore Power And Register

Maintain your interior by regularly cleaning surfaces with appropriate automotive cleaners. For leatherette or leather, use a dedicated cleaner and conditioner to prevent cracking and maintain its appearance. A good quality microfiber cloth and interior detailer are your best friends here.

Infotainment and Safety Features

The 2007 328i offered BMW’s first-generation iDrive infotainment system as an option. While basic by today’s standards, it provided control over navigation, audio, and vehicle settings.

  • Audio System: Standard BMW Business CD radio with auxiliary input. Optional Logic 7 premium sound system offered superior audio quality.
  • iDrive: Optional navigation system with a central controller and display. Ensure the iDrive knob functions smoothly and the screen is clear when inspecting a used model.
  • Safety: Comprehensive airbag system (front, side, head), Anti-lock Braking System (ABS), Dynamic Stability Control (DSC), and Dynamic Traction Control (DTC). These systems are crucial for safety and should always be in good working order.

Always check for illuminated warning lights on the dashboard. A persistent airbag light or DSC error could indicate a sensor issue or more serious problem that requires professional diagnosis. Safety systems are not something to DIY unless you have specific training and tools.

Common Maintenance and DIY Tips for Your 2007 BMW 3 Series 328i

The N52 engine is generally robust, but like any complex machine, it benefits greatly from diligent maintenance. Being proactive can save you significant repair costs down the line. Here are some essential DIY tips for your 2007 BMW 3 Series 328i.

Essential Fluid and Filter Changes

Regular fluid and filter changes are the backbone of engine longevity. Don’t skip these critical service intervals.

  1. Oil Changes: Change engine oil and filter every 7,500-10,000 miles, or annually, using BMW LL-01 approved synthetic oil (e.g., Castrol Edge, Mobil 1, Liqui Moly 5W-30 or 5W-40) and a high-quality filter (Mann or Mahle are OEM suppliers). You’ll need an oil filter wrench, a drain pan, and a torque wrench for the drain plug and filter housing.
  2. Coolant Flush: Perform a coolant flush every 3-4 years or 50,000 miles. Use BMW-approved anti-freeze (blue concentrate) mixed with distilled water. Bleeding the cooling system correctly is crucial for the N52 due to its electric water pump.
  3. Brake Fluid Flush: Flush brake fluid every two years. Use DOT 4 brake fluid. A pressure bleeder makes this a much easier one-person job.
  4. Air Filters: Replace engine air filter and cabin air filter annually or every 15,000 miles. These are simple DIY tasks that improve engine performance and interior air quality.

Always consult your owner’s manual for specific service intervals and fluid types. Using the correct fluids is paramount for BMWs.

Common N52 Engine Issues and Proactive Checks

While reliable, the N52 engine does have some well-known issues that savvy owners can watch out for or address proactively. Addressing these early can prevent more significant problems.

  • Valve Cover Gasket (VCG): Leaks are common around 60,000-80,000 miles. Look for oil weeping down the side of the engine. Replacing the VCG requires careful work but is a manageable DIY for experienced mechanics, using a new valve cover gasket set and spark plug well gaskets.
  • VANOS Solenoids: These can become clogged, leading to rough idle, reduced power, and check engine lights. Cleaning or replacing them is often a simple fix, accessible with basic hand tools.
  • Electric Water Pump and Thermostat: These are common failure points, often failing together, typically between 80,000-120,000 miles. Symptoms include overheating or a “reduced power” warning. Replacement is involved and might be best left to a professional if you’re not comfortable.
  • Oil Filter Housing Gasket (OFHG): Another common oil leak source. Oil can drip onto the serpentine belt, causing it to slip or shred. This is a critical repair as oil on the belt can lead to engine damage.

Regular visual inspections under the hood and beneath the car can help you catch these issues early. Keep an eye out for fluid leaks, strange noises, or warning lights on your dashboard. Early detection is key to affordable repairs.

Performance Potential and Mods for the 2007 BMW 3 Series 328i

While the 328i is not a hardcore performance model like the M3, its excellent chassis and willing N52 engine provide a solid foundation for tasteful modifications. For those looking to enhance their 2007 bmw 3 series 328i specs​, there are several avenues to explore.

Engine and Exhaust Upgrades

Since the N52 is naturally aspirated, massive power gains are challenging without forced induction. However, you can improve throttle response and unlock a few extra horsepower.

  • Intake: A high-flow intake system (e.g., from AFE Power or Injen) can improve airflow and provide a more aggressive induction sound.
  • Exhaust: A cat-back exhaust system (e.g., Magnaflow, Borla, or BMW Performance Exhaust) can free up a few horsepower, reduce weight, and significantly enhance the exhaust note.
  • 330i Intake Manifold Swap: This is a popular and effective mod. The N52 in the 330i used a 3-stage intake manifold, which, when retrofitted to a 328i and combined with a tune, can yield significant mid-range power gains (around 20-30 hp). This is a more advanced DIY project.
  • Tune: While not as dramatic as turbocharged cars, a software tune can optimize fuel mapping and timing for slight gains, especially when combined with intake and exhaust modifications.

Always choose reputable brands for performance parts. Cheap or poorly designed components can harm your engine or vehicle’s reliability. Research thoroughly before making a purchase.

Suspension and Brake Enhancements

Improving the handling and braking of your 328i can transform its driving dynamics, making it even more enjoyable on twisty roads or during spirited driving.

  • Suspension:
    • Sport Springs/Coilovers: Lowering springs (e.g., Eibach, H&R) or full coilovers (e.g., Bilstein, KW) can reduce body roll and improve cornering stability. Coilovers offer adjustable ride height and damping.
    • Sway Bars: Upgrading to thicker anti-roll bars (e.g., from Hotchkis, Dinan) can further reduce body roll and sharpen steering response.
    • Bushings: Replacing worn rubber bushings with stiffer polyurethane or upgraded rubber versions can tighten up the chassis feel.
  • Brakes:
    • Performance Pads/Rotors: Upgrading to performance brake pads (e.g., Hawk, EBC) and slotted/drilled rotors can improve braking feel and fade resistance for more demanding driving.
    • Stainless Steel Brake Lines: These reduce brake pedal sponginess by preventing line expansion under pressure.
See also How To Reset Bmw Tyre Pressure Monitor​ – Fix Your Dashboard Warning

When modifying suspension, consider getting a professional alignment afterward to ensure proper tire wear and handling. For brake upgrades, ensure all components are compatible and installed correctly; your safety depends on it.

What to Look For When Buying a Used 2007 BMW 3 Series 328i

If you’re in the market for a used 2007 328i, a thorough inspection is crucial. These cars offer great value, but deferred maintenance can quickly erase any savings. Pay close attention to these areas.

Pre-Purchase Inspection Checklist

Before committing to a purchase, perform a detailed inspection. If you’re not comfortable, invest in a pre-purchase inspection (PPI) by a reputable BMW specialist.

  1. Service Records: Demand comprehensive service records. A well-documented history is a strong indicator of a cared-for vehicle. Look for evidence of regular oil changes, coolant flushes, and addressing common N52 issues.
  2. Engine Bay: Look for oil leaks (especially around the valve cover, oil filter housing, and oil pan), coolant leaks, and listen for abnormal noises (e.g., ticking, rattling). Check the condition of belts and hoses.
  3. Exterior: Inspect for rust, especially around wheel wells, rocker panels, and under the trunk lid. Check panel gaps for consistency, indicating no major accident damage.
  4. Interior: Test all electronics (windows, lights, radio, iDrive). Check for wear on seats, steering wheel, and door panels. Ensure all warning lights illuminate and then turn off after starting.
  5. Tires and Brakes: Check tire tread depth and even wear. Inspect brake pad thickness and rotor condition.

A good PPI will typically cost a few hundred dollars but can save you thousands in unexpected repairs. It’s the best money you can spend on a used BMW.

Test Drive Observations

A comprehensive test drive is essential to assess the car’s dynamic condition. Pay attention to how the car feels, sounds, and responds.

  • Engine Performance: Listen for smooth acceleration, no hesitation, and consistent power delivery. Watch for smoke from the exhaust.
  • Transmission: For automatics, check for smooth shifts without jerking or slipping. For manuals, ensure the clutch engages smoothly and the gears shift easily without grinding.
  • Steering: The steering should feel tight and responsive, without excessive play or unusual noises when turning. Listen for groaning or whining from the power steering pump.
  • Suspension: Drive over bumps and rough roads. Listen for clunks or rattles that could indicate worn suspension components (e.g., control arm bushings, strut mounts).
  • Brakes: Ensure the brakes are firm and stop the car smoothly without pulling to one side or pulsating.

Don’t be afraid to drive the car for at least 20-30 minutes to get a full sense of its characteristics, including getting it up to operating temperature. Any warning lights that appear during the test drive are a red flag.

Frequently Asked Questions About the 2007 BMW 3 Series 328i Specs

Is the 2007 BMW 328i reliable?

Yes, the 2007 BMW 328i, particularly with the N52 engine, is generally considered one of the more reliable modern BMWs. Its naturally aspirated engine avoids the complexities and higher stress of turbos found in later models. However, like any European luxury car, it requires consistent, proactive maintenance to remain reliable. Common issues like valve cover gasket leaks and electric water pump failures are well-documented but manageable if addressed promptly.

What’s the best oil for a 2007 BMW 328i?

The best oil for your 2007 BMW 328i is a full synthetic oil that meets BMW’s LL-01 (Longlife-01) specification. Popular choices include 5W-30 or 5W-40 viscosity grades from brands like Castrol Edge, Mobil 1, Liqui Moly, or Motul. Always verify the LL-01 approval on the oil bottle. Using the correct oil is critical for the N52 engine’s Valvetronic system and overall longevity.

Does the 2007 BMW 328i have iDrive?

The 2007 BMW 328i offered the first-generation iDrive infotainment system as an optional feature, typically part of a navigation package. If the car has a central screen on the dashboard and a rotary controller near the gear selector, it is equipped with iDrive. Many 328i models were sold without this option, featuring a standard BMW Business CD head unit.

What are common problems with the N52 engine in the 2007 328i?

Common problems with the N52 engine include oil leaks from the valve cover gasket and oil filter housing gasket, failures of the electric water pump and thermostat, and occasional issues with VANOS solenoids or eccentric shaft sensors. These issues are well-known and have established repair procedures, but they are important to be aware of for maintenance planning.

Is the 2007 BMW 328i a good daily driver?

Absolutely! The 2007 BMW 328i makes an excellent daily driver. It offers a comfortable yet engaging ride, sufficient power for most situations, respectable fuel economy for its class, and a premium interior. Its naturally aspirated engine and hydraulic steering provide a driving experience that many enthusiasts prefer over newer, more complex models. With proper maintenance, it can provide many years of enjoyable daily commuting.

The 2007 BMW 3 Series 328i remains a standout choice for those who appreciate a well-engineered, driver-focused vehicle. Its detailed 2007 bmw 3 series 328i specs​ reveal a car built for balance, performance, and reliability, especially when given the care it deserves.

By understanding its core components and staying on top of proactive maintenance, you can ensure your E90 continues to deliver that classic BMW driving pleasure for years to come. Whether you’re tackling a DIY project or simply enjoying the open road, knowing your vehicle inside and out empowers you as an owner. Drive smart, maintain diligently, and enjoy the journey!

Robert Lozano
Latest posts by Robert Lozano (see all)

Similar Posts