2011 Bmw 328I Specifications​ – Your Essential Guide To Performance

ByRobert Lozano

The 2011 BMW 328i, a popular model from the E90 generation, offers a compelling blend of luxury, performance, and everyday usability. Understanding its core specifications is crucial for any owner, whether you’re performing routine maintenance, planning performance upgrades, or troubleshooting an issue. This guide breaks down everything you need to know about your 328i’s mechanical heart and more.

Are you the proud owner of a 2011 BMW 328i, or perhaps considering one for your next project car? Delving into the precise 2011 bmw 328i specifications is the first step toward truly understanding its capabilities, maintenance needs, and potential for customization. This comprehensive breakdown will equip you with the knowledge to care for, enjoy, and even enhance your E90-generation BMW.

At EngineNeeds, we believe every car owner, from the casual driver to the dedicated DIY mechanic, deserves expert insights. This article will serve as your go-to reference, providing clear, actionable information on the crucial specifications that define the 2011 328i. We’ll cover everything from engine power to chassis dynamics, helping you make informed decisions about your vehicle’s care and performance.

Understanding the Heart: Engine and Performance Details

The soul of any BMW lies beneath the hood, and the 2011 BMW 328i is no exception. It features a robust naturally aspirated inline-six engine, renowned for its smoothness and reliability when properly maintained. Knowing its precise output and characteristics is key.

Engine Type and Power Output

The 2011 328i is powered by BMW’s venerable N52B30 engine. This 3.0-liter (2,996 cc) inline-six is a masterpiece of engineering, known for its strong mid-range torque and linear power delivery. It’s not turbocharged, which many enthusiasts appreciate for its simplicity and direct throttle response.

  • Horsepower: Expect around 230 hp (172 kW) at 6,500 rpm. This provides ample power for spirited driving without being overwhelming.
  • Torque: The N52 generates approximately 200 lb-ft (271 Nm) of torque at 2,750 rpm. This low-end torque makes for excellent daily drivability.
  • Redline: The engine safely revs up to 7,000 rpm, offering a rewarding experience for those who enjoy pushing the car.

These figures are essential for understanding how your 328i performs and what to expect from its power delivery. Always ensure your engine’s oil level is correct and that you’re using the manufacturer-recommended synthetic oil, such as Castrol EDGE Professional OE 5W-30 or Liqui Moly Leichtlauf High Tech 5W-40, to maintain optimal performance and longevity.

Fuel Economy and Capacity

While not a hybrid, the 2011 328i offers respectable fuel economy for its class, especially on the highway. Your mileage will vary based on driving style and conditions.

  • EPA Estimated MPG (Automatic): Around 18 MPG city / 28 MPG highway / 22 MPG combined.
  • EPA Estimated MPG (Manual): Slightly better at 19 MPG city / 28 MPG highway / 23 MPG combined.
  • Fuel Tank Capacity: Approximately 16.1 US gallons (61 liters). This provides a good cruising range between fill-ups.

Always use premium unleaded gasoline (91 octane or higher) as recommended by BMW. Using lower octane fuel can lead to reduced performance and potential engine damage over time due to pre-ignition or “knocking.”

Drivetrain, Transmission, and Chassis: What Powers Your Ride

Beyond the engine, the drivetrain and chassis are fundamental to the 328i’s driving dynamics. BMW is famous for its balanced handling, and the E90 chassis plays a significant role in this reputation.

Transmission Options

The 2011 328i offered drivers a choice of transmissions, catering to different preferences.

  • 6-Speed Manual Transmission: For the purists, this option provides direct engagement and control, enhancing the sporty feel.
  • 6-Speed Automatic Transmission: A smooth-shifting automatic with a sport mode and manual shifting capabilities (Steptronic) offers convenience without sacrificing too much performance.

Regardless of your transmission, regular fluid changes are critical for longevity. Consult your owner’s manual for service intervals, and consider using genuine BMW transmission fluid or an approved equivalent like ZF LifeguardFluid 6 for the automatic.

Suspension Setup and Handling

The E90 chassis is renowned for its excellent handling. The suspension system is designed to provide a balance of comfort and sporty responsiveness.

  • Front Suspension: MacPherson strut setup, common for its efficiency and good handling characteristics.
  • Rear Suspension: Multi-link suspension, which provides excellent wheel control and ride quality.
  • Steering: Hydraulic power steering (pre-LCI models, though some LCI 328i might have electric power steering depending on specific options/market), offering excellent feedback to the driver.

When inspecting a used 328i, pay close attention to the condition of the struts, control arms, and bushings. Worn components can significantly degrade handling and ride comfort. Listen for clunking noises over bumps, which might indicate failing control arm bushings or strut mounts.

Braking System

Effective braking is paramount for safety and performance. The 328i is equipped with a capable braking system.

  • Front Brakes: Vented disc brakes, typically 330mm (13 inches) in diameter.
  • Rear Brakes: Vented disc brakes, typically 300mm (11.8 inches) in diameter.
  • Safety Systems: Equipped with Anti-lock Braking System (ABS), Dynamic Stability Control (DSC), and Dynamic Traction Control (DTC) as standard.

When replacing brake components, always opt for quality parts. Brands like Brembo, Textar, or ATE are excellent choices for pads and rotors. Don’t forget to bleed your brake lines with fresh DOT4 brake fluid every two years to maintain optimal stopping power and prevent corrosion.

Dimensions, Weight, and Capacities: The Practical Numbers

Beyond the performance metrics, the physical 2011 bmw 328i specifications are important for daily usability, garage fitting, and even tire selection.

Exterior Dimensions and Curb Weight

The 2011 328i was available in multiple body styles: sedan (E90), wagon (E91), coupe (E92), and convertible (E93). Dimensions vary slightly between them.

  • Sedan (E90) Length: Approximately 178.2 inches (4527 mm).
  • Sedan (E90) Width: Approximately 71.5 inches (1817 mm) without mirrors.
  • Sedan (E90) Height: Approximately 55.9 inches (1421 mm).
  • Sedan (E90) Wheelbase: 108.7 inches (2760 mm).
  • Curb Weight (Sedan, Automatic): Around 3,439 lbs (1,560 kg). Other body styles will be slightly heavier.
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Understanding these dimensions is helpful for parking in tight spaces or selecting car covers. The relatively light curb weight contributes to the car’s agile feel.

Wheel and Tire Specifications

Proper wheel and tire sizing are critical for performance, safety, and speedometer accuracy. The 2011 328i typically came with 17-inch wheels as standard, with 18-inch options available.

  • Standard Wheel Size: 17 x 8.0 inches.
  • Standard Tire Size: 225/45R17 (all four corners for non-sport models, staggered for sport).
  • Optional Sport Package Wheel Size: Staggered setup, e.g., Front: 18 x 8.0 inches, Rear: 18 x 8.5 inches.
  • Optional Sport Package Tire Size: Front: 225/40R18, Rear: 255/35R18.

Always ensure your tire pressures are correctly set according to the sticker on your driver’s side door jamb. Using the correct run-flat or non-run-flat tires (and having a spare/repair kit if going non-run-flat) is also important.

Fluid Capacities

Accurate fluid levels are vital for your BMW’s health. Here are some key capacities:

  • Engine Oil Capacity: Approximately 6.9 quarts (6.5 liters) with filter change. Always double-check with your dipstick after filling.
  • Coolant Capacity: Around 8.7 quarts (8.2 liters) for the entire system. Use BMW-approved anti-freeze (blue concentrate) mixed with distilled water.
  • Brake Fluid Capacity: Generally less than 1 liter for a flush.
  • Power Steering Fluid: Uses specific CHF 11S hydraulic fluid. Capacity is small, usually less than 1 liter.

When performing fluid changes, always use high-quality fluids that meet BMW’s specifications. This isn’t an area to cut corners. For oil changes, consider a Mann-Filter HU 816 X oil filter for reliable filtration.

Interior, Comfort, and Technology: Beyond the Mechanics

While the mechanical 2011 bmw 328i specifications are paramount for performance, the interior features contribute significantly to the overall driving experience. BMW blends luxury with functionality.

Cabin Features and Seating

The 328i’s interior is driver-focused, with high-quality materials and thoughtful design.

  • Seating: Standard leatherette (Sensatec) or optional genuine leather. Sport seats offer enhanced bolstering.
  • Climate Control: Dual-zone automatic climate control is standard, ensuring comfort for both driver and passenger.
  • Storage: Adequate storage compartments, including a decent-sized glove box and center console.

Keeping the interior clean and conditioned, especially leather surfaces, will preserve its aesthetic appeal and value. Use specific leather cleaners and conditioners like Lexol to prevent cracking and fading.

Infotainment and Connectivity

Depending on the trim and options, your 2011 328i might have various tech features.

  • iDrive System: Optional on many models, providing control over navigation, audio, and vehicle settings.
  • Audio System: Standard BMW Business CD stereo or optional Harman Kardon premium sound system.
  • Connectivity: Auxiliary input jack is standard, with optional USB connectivity and Bluetooth for phone calls.

Many owners upgrade the older iDrive systems or add aftermarket Bluetooth streaming capabilities for modern convenience. Check forums for DIY guides on installing an AUX-to-Bluetooth adapter.

Safety Systems and Airbags

BMW prioritizes safety, and the 2011 328i comes equipped with a comprehensive suite of active and passive safety features.

  • Airbags: Multiple airbags, including front, side, and head airbags for both front and rear occupants.
  • Active Safety: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), and four-wheel Anti-lock Brakes (ABS).
  • Tire Pressure Monitoring (TPM): Helps alert drivers to low tire pressure, preventing blowouts and improving fuel economy.

Always ensure your safety systems are functioning correctly. Any warning lights on your dashboard, especially for airbags or DSC, should be investigated immediately by a qualified technician.

2011 bmw 328i specifications​: Maintenance and Common Issues

Understanding the 2011 bmw 328i specifications extends beyond just numbers; it also involves knowing its maintenance requirements and common pitfalls. Proactive maintenance is key to enjoying your BMW for years to come.

Routine Service Intervals

BMW’s Condition Based Servicing (CBS) system dictates service intervals, but general guidelines exist.

  • Oil Changes: Typically every 10,000-15,000 miles or annually, whichever comes first. Many enthusiasts opt for 7,500-mile intervals, especially for spirited driving.
  • Brake Fluid: Every two years.
  • Coolant: Every 4-5 years or 50,000 miles.
  • Spark Plugs: Every 60,000-100,000 miles, depending on usage. Use OEM NGK LFR6AIX-11 or Bosch FR7NPP332 plugs.
  • Air Filters (Engine & Cabin): Annually or every 15,000-20,000 miles.

Following these intervals with quality parts and fluids will keep your 328i running smoothly. Keep a log of all maintenance performed for future reference.

Known Weak Points and DIY Tips

Like any vehicle, the N52-powered E90 328i has some common issues to be aware of. Being proactive can save you significant repair costs.

  • Valve Cover Gasket (VCG) Leaks: A very common issue. Look for oil seepage around the valve cover. Replacing the VCG requires careful work but is a manageable DIY job with the right tools, including a torque wrench and a set of Torx sockets.
  • Oil Filter Housing Gasket (OFHG) Leaks: Another frequent oil leak source, often dripping onto the serpentine belt, causing it to slip or shred. This is a critical repair as oil can contaminate coolant if the internal gasket fails.
  • Electric Water Pump and Thermostat: These are known failure points, typically failing between 80,000 and 120,000 miles. Symptoms include overheating or a “reduced power” warning. If you’re tackling this yourself, ensure the engine is completely cool, drain the coolant, and have a new water pump (e.g., Pierburg or VDO) and thermostat ready.
  • PCV (Positive Crankcase Ventilation) System: Integrated into the valve cover, it can cause oil consumption or vacuum leaks when faulty.
  • VANOS Solenoids: Can become clogged or fail, leading to rough idling, reduced power, or engine codes. Cleaning or replacing them is a relatively easy DIY task.

Always prioritize safety when working on your car. Disconnect the battery when working with electrical components, and use jack stands when lifting the vehicle. If you’re unsure about a repair, it’s always best to consult a certified BMW specialist.

Upgrading Your 2011 BMW 328i: Performance Mods & Enhancements

For those looking to get more out of their 2011 bmw 328i specifications, there’s a vibrant aftermarket. While naturally aspirated, the N52 responds well to certain modifications.

Engine Performance Upgrades

Boosting power on an N/A engine typically involves improving airflow and tuning.

  • 3-Stage Intake Manifold (3IM) Conversion: This is arguably the most significant N52 upgrade. Many 328i models only came with a single-stage manifold. Upgrading to a 3-stage manifold from a 330i (or specific 328i models) allows the engine to breathe better at higher RPMs, unlocking a significant power bump (15-25 hp) when combined with a proper tune.
  • Performance Tune: A reputable ECU tune (e.g., from BPC, MHD, or Active Autowerke) can optimize fuel mapping and ignition timing for more power, especially after a 3IM upgrade.
  • Aftermarket Intake: While not providing massive gains on their own, a high-flow intake (like K&N or AFE Power) can improve throttle response and engine sound.
  • Exhaust System: A cat-back exhaust system (e.g., MagnaFlow, Remus) won’t add much horsepower but will enhance the inline-six’s signature sound.
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Remember, any engine modification should be accompanied by proper maintenance and monitoring. Always research reputable brands and tuners.

Suspension and Handling Improvements

Enhancing the already capable E90 chassis can transform your driving experience.

  • Coilover Suspension: Adjustable coilovers (from brands like Bilstein, KW, ST Suspensions) allow for precise ride height and dampening adjustments, improving cornering and reducing body roll.
  • Performance Sway Bars: Upgraded front and rear sway bars (e.g., Eibach, H&R) further reduce body roll and sharpen turn-in.
  • Chassis Bracing: Strut tower braces or underbody braces can increase chassis rigidity, leading to more predictable handling.

When modifying suspension, it’s often wise to replace worn bushings with performance-oriented options (e.g., polyurethane bushings) to get the most out of your upgrades.

Brake System Upgrades

For track days or aggressive driving, upgrading your brakes offers improved confidence and safety.

  • Performance Pads and Rotors: Swapping to higher-performance brake pads (e.g., Hawk HPS, EBC Redstuff) and slotted/drilled rotors can significantly reduce fade and improve initial bite.
  • Stainless Steel Brake Lines: These reduce brake pedal sponginess by preventing expansion under pressure, offering a firmer pedal feel.
  • Big Brake Kits (BBK): For serious performance, a full BBK from brands like Brembo or StopTech provides larger calipers and rotors, dramatically increasing stopping power and heat dissipation.

Always ensure any brake upgrades are installed correctly and that the system is properly bled. Your life depends on your brakes!

Buying a Used 2011 BMW 328i: What to Look For

If you’re in the market for a used 2011 BMW 328i, knowing its common issues and where to focus your inspection can save you from costly surprises. The 2011 bmw 328i specifications are a great starting point, but a thorough inspection is crucial.

Pre-Purchase Inspection (PPI)

This is the most critical step. Always have a qualified independent BMW mechanic perform a comprehensive PPI.

  • Engine Leaks: Check for oil leaks around the valve cover, oil filter housing, and oil pan. These are common and can be expensive to fix.
  • Cooling System: Inspect the radiator, hoses, and water pump for leaks or signs of failure. The electric water pump is a known weak point.
  • Suspension Components: Look for worn control arm bushings, tie rod ends, and leaky shocks/struts.
  • Electronics: Ensure all lights, windows, sunroof, iDrive (if equipped), and other electronics function correctly.

A good PPI will reveal potential issues that aren’t immediately obvious and help you negotiate the price or walk away from a problematic vehicle.

Rust and Body Checks

While BMWs are generally well-protected, inspect for rust, especially in regions with harsh winters.

  • Wheel Arches and Rocker Panels: Common areas for rust to begin.
  • Underbody: Check the subframe, exhaust hangers, and suspension mounting points for corrosion.
  • Paint Condition: Look for inconsistencies in paint color or texture, which could indicate prior accident repair.

Small amounts of surface rust might be manageable, but extensive structural rust is a major red flag.

Service History Review

A complete service history is invaluable when buying a used BMW.

  • Regular Oil Changes: Confirm consistent oil changes with appropriate synthetic oil.
  • Major Service Items: Look for records of spark plug replacements, coolant flushes, and transmission fluid changes (if applicable).
  • Known Issue Repairs: Check if common problems like the water pump, OFHG, or VCG have already been addressed.

A car with a well-documented service history indicates a diligent previous owner, which is a strong positive indicator for the car’s overall health.

Frequently Asked Questions About 2011 BMW 328i Specifications

Here are some common questions prospective and current owners have about the 2011 BMW 328i.

What type of engine does the 2011 BMW 328i have?

The 2011 BMW 328i is equipped with the N52B30, a 3.0-liter naturally aspirated inline-six engine. This engine is known for its smooth power delivery and generally robust design.

What is the horsepower of a 2011 328i?

The 2011 BMW 328i produces approximately 230 horsepower (172 kW) at 6,500 rpm and 200 lb-ft (271 Nm) of torque at 2,750 rpm.

Does the 2011 BMW 328i have a timing belt or chain?

The 2011 BMW 328i, like most modern BMWs, uses a timing chain. Timing chains are designed to last the lifetime of the engine and typically do not require replacement unless there’s a specific issue, unlike timing belts which have scheduled replacement intervals.

What kind of fuel economy can I expect from a 2011 328i?

For an automatic transmission sedan, you can expect around 18 MPG city, 28 MPG highway, and 22 MPG combined. Manual transmission models might see slightly better city mileage.

What are the most common maintenance issues for a 2011 328i?

Common issues for the N52 engine in the 2011 328i include oil leaks from the valve cover gasket (VCG) and oil filter housing gasket (OFHG), electric water pump failures, and sometimes issues with the PCV system or VANOS solenoids. Regular maintenance can mitigate many of these.

Mastering the 2011 bmw 328i specifications is more than just memorizing numbers; it’s about gaining a deeper understanding of your vehicle. This knowledge empowers you to perform informed DIY maintenance, make smart upgrade decisions, and enjoy the full potential of your Ultimate Driving Machine.

Whether you’re tackling a valve cover gasket replacement or simply checking your oil, always prioritize safety and use the correct tools and fluids. Your BMW will thank you with years of reliable performance. Drive smart, maintain well, and enjoy the road ahead!

Robert Lozano
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