07 Bmw 328I Specs – Performance, Reliability, And Maintenance Guide
The 2007 BMW 328i is widely regarded as one of the most balanced entry-level luxury sport sedans ever produced, featuring the legendary N52 naturally aspirated engine. This comprehensive guide details the essential technical data, performance metrics, and common maintenance requirements to help owners and buyers make informed decisions.
You probably know that the E90 generation marked a significant shift in BMW’s design language and technology. Finding the right 07 bmw 328i specs is the first step toward mastering the maintenance or choosing the right performance modifications for this platform. I will promise to provide you with the exact technical details and “pro” insights gathered from years of wrenching on these German machines. We will explore the engine internals, transmission options, and the specific quirks that make this car both a joy and a challenge to own.
Understanding the Core 07 bmw 328i specs
The 2007 model year was a pivotal one for the 3 Series, as it solidified the 328i as the reliable, non-turbocharged alternative to the more complex 335i. When looking at the 07 bmw 328i specs, the heart of the vehicle is the 3.0-liter N52B30 engine, which is famous for its smooth power delivery and magnesium-aluminum composite engine block.
This engine produces 230 horsepower at 6,500 rpm and 200 lb-ft of torque at 2,750 rpm. Unlike its turbocharged siblings, the 328i relies on Valvetronic technology and Double-VANOS (variable valve timing) to optimize performance across the rev range. This setup provides a linear acceleration that many enthusiasts prefer for daily driving and spirited canyon runs.
Physically, the 328i sedan (E90) has a wheelbase of 108.7 inches and an overall length of 178.2 inches. It sits at a curb weight of approximately 3,340 pounds for the rear-wheel-drive manual version. This weight distribution is nearly 50/50, which is the secret sauce behind the legendary handling characteristics that BMW is known for.
The N52 Engine: Power and Performance Metrics
The N52 engine found in the 2007 328i is often called the “last of the great” naturally aspirated BMW inline-sixes. It is significantly lighter than the previous M54 engine thanks to its unique magnesium-aluminum construction. However, this material choice means you must be extremely careful with the aluminum bolts used throughout the engine, as they are one-time-use (stretch) bolts.
Performance-wise, the 0-60 mph sprint is achieved in about 6.3 seconds for the manual transmission sedan, while the automatic version takes roughly 6.9 seconds. While these numbers might seem modest by modern standards, the way the car delivers power makes it feel much faster. The redline is set at a healthy 7,000 rpm, encouraging you to use the full range of the engine.
Fuel economy is also respectable for a luxury car of this era. You can expect about 18-21 mpg in the city and up to 28-30 mpg on the highway. Always use premium unleaded fuel (91 octane or higher) to prevent engine knocking and ensure the knock sensors don’t pull timing, which would result in a noticeable loss of power.
Engine Oil and Fluid Capacities
- Engine Oil: 6.9 Quarts (6.5 Liters) of 5W-30 or 5W-40 Synthetic (BMW LL-01 Certified).
- Coolant: 8.9 Quarts (8.4 Liters) of a 50/50 mix of BMW Blue Coolant and distilled water.
- Brake Fluid: DOT 4 Low Viscosity.
- Power Steering: CHF 11S (Check the green label on your reservoir cap!).
Transmission and Drivetrain Configurations
When reviewing the 07 bmw 328i specs, you will notice two primary transmission choices: the Getrag 6-speed manual and the GM-sourced 6L45 6-speed automatic. The manual transmission is highly sought after by enthusiasts for its precise shift feel and reliability. It uses a dual-mass flywheel to reduce vibrations, though these can become noisy as they age.
The automatic transmission is a “steptronic” unit, allowing for manual gear selection. While BMW originally claimed these were “lifetime fill” units, most experienced mechanics recommend a fluid and filter change every 60,000 to 80,000 miles. Neglecting this can lead to shuddering shifts or premature failure of the torque converter.
The 2007 328i was available in two drivetrain layouts:
- Rear-Wheel Drive (RWD): The classic setup for maximum steering feel and agility.
- xDrive (AWD): BMW’s all-wheel-drive system, which adds weight but provides superior traction in snow and rain. Note that xDrive models use a different front suspension setup (MacPherson struts) compared to the RWD models.
Chassis, Suspension, and Handling Characteristics
The E90 chassis is renowned for its rigidity and the use of hydraulic power steering. Unlike modern BMWs with electric racks, the 2007 328i provides immense feedback through the steering wheel. You can feel every pebble and change in road texture, which is a hallmark of the 3 Series’ “Ultimate Driving Machine” DNA.
The suspension consists of a double-pivot strut-type front suspension and a five-link rear suspension. If your car has the Sport Package (Option Code ZSP), it sits about 15mm lower and features stiffer springs and dampers. This package also includes the iconic Style 161 or Style 162 wheels, which are staggered (wider in the back than the front).
One common complaint regarding the 07 bmw 328i specs for handling is the factory run-flat tires. These tires have stiff sidewalls that can make the ride feel harsh over potholes. Many owners switch to standard “go-flat” tires to improve ride quality and grip, though this requires carrying a mobility kit or a spare tire in the trunk.
Common Mechanical Issues and DIY Fixes
While the N52 engine is robust, it does have specific “weak points” that every owner should monitor. Most of these involve gaskets and plastic cooling components. If you are a DIYer, these are great projects to tackle on a weekend with basic hand tools and a good torque wrench.
The “Big Three” Oil Leaks
Almost every 2007 328i will eventually leak from three specific areas:
- Valve Cover Gasket (VCG): Symptoms include a burning oil smell coming through the vents. The plastic valve cover itself can also crack, so inspect it closely.
- Oil Filter Housing Gasket (OFHG): This is the most dangerous leak. If oil drips onto the serpentine belt, the belt can slip off and get sucked into the front main seal, destroying the engine.
- Oil Pan Gasket: This is the most difficult to fix, as it requires dropping the front subframe. If it is a slow “weep,” many owners simply monitor it.
Cooling System Weaknesses
The 328i uses an electric water pump. Unlike traditional belt-driven pumps, these don’t usually leak before they fail; they simply stop working. You will see a “yellow” then “red” coolant temperature warning on the dash. If this happens, pull over immediately to avoid warping the cylinder head. Most experts recommend replacing the water pump and thermostat every 80,000 miles as preventative maintenance.
Ownership Costs and Maintenance Schedules
Owning a BMW can be affordable if you stay ahead of the maintenance curve. Based on the 07 bmw 328i specs and real-world data, you should budget approximately $800 to $1,200 per year for maintenance and repairs if you use an independent shop or do the work yourself. Dealership prices will be significantly higher.
Follow a strict maintenance schedule rather than relying solely on the car’s Condition Based Service (CBS) computer. The computer often suggests 15,000-mile oil changes, which many enthusiasts believe is too long for engine longevity. Changing your oil every 5,000 to 7,500 miles is a much safer bet for protecting the VANOS solenoids and timing chain components.
Don’t forget the cabin air filter and the engine air filter. These are located under the cowl and in the driver-side engine bay, respectively. They are incredibly easy to change and significantly impact the air quality inside the car and the engine’s breathing efficiency. Use a charcoal-activated cabin filter to keep the interior smelling fresh.
Frequently Asked Questions About 07 bmw 328i specs
What is the fuel tank capacity of the 2007 BMW 328i?
The 2007 BMW 328i has a fuel tank capacity of 16.1 gallons (61 liters). Given its highway efficiency, this allows for a cruising range of nearly 450 miles on long trips.
Does the 2007 328i have a timing belt or a timing chain?
The N52 engine uses a timing chain. Unlike timing belts, the chain is designed to last the life of the engine. However, you must keep up with oil changes to ensure the chain guides remain lubricated and don’t become brittle.
What are the stock tire sizes for the 07 bmw 328i?
For the standard sedan, the stock tire size is 205/55R16 on all four corners. If the car is equipped with the Sport Package, it often features staggered 17-inch or 18-inch wheels, such as 225/45R17 in the front and 255/40R17 in the rear.
Is the 2007 BMW 328i reliable?
Yes, compared to the turbocharged 335i of the same era, the 328i is very reliable. The engine internals are stout, and most issues are external bolt-on components like sensors, gaskets, and cooling parts. With proper maintenance, these cars easily surpass 200,000 miles.
Final Thoughts for the DIY Enthusiast
The 2007 BMW 328i is a fantastic entry point into the world of European car ownership. It offers a “pure” driving experience that is becoming increasingly hard to find in newer, more computerized vehicles. By understanding the 07 bmw 328i specs and staying proactive with your repairs, you can enjoy a luxury performance car without the luxury price tag of a mechanic.
Remember to always use high-quality parts (OEM or reputable brands like Bosch, Mann, and Lemforder) and never cut corners on safety components like brakes and suspension. Whether you are hitting the track or just commuting to work, this car rewards those who take care of it. Stay safe on the road and enjoy the drive!
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