🏷️ Basic Information

Make:

BMW

Model:

Z4

Trim Levels:

sDrive30i, sDrive35i

Body Styles:

Convertible (Roadster), Coupe

Generation Code:

E89

Generation Years:

2009-2016

Manual Product Name:

BMW Z4 sDrive 30i 35i Owners Operators Owner Manual

👋 Introduction

Market Segment:

Premium two-seater sports roadster/coupe, known for driving dynamics, luxury, and distinctive styling.

Key Competitors:

Audi TT Roadster/Coupe, Mercedes-Benz SLK-Class (later SLC), Porsche Boxster, Chevrolet Corvette (lower trims), Jaguar F-Type Convertible.

Driving Dynamics:

Rear-wheel drive, balanced chassis, responsive steering, powerful engines for a sporty driving experience.

Design And Styling:

Long hood, short deck, low-slung profile, distinctive BMW design language, retractable hardtop (Roadster).

Target Demographic:

Enthusiasts seeking a stylish, performance-oriented, and luxurious compact sports car.

📋 Manual Details

Vehicle Coverage:

BMW Z4 Convertible (Roadster) and Coupe models, specifically sDrive30i and sDrive35i variants.

Estimated Page Count:

300-400 pages (typical for BMW owner's manuals of this era, exact count not provided but inferred from typical documentation).

Manual Type:

Owner's Manual / Operator's Manual

Language:

English

Format:

Print (assumed based on product name for sales business)

📖 Manual Coverage

Engine Systems:

Engine operation, lubrication, cooling, fuel system, ignition system, emissions control.

Transmission Systems:

Automatic and manual transmission operation, shifting, fluid information.

Chassis Systems:

Braking system, steering system, suspension system, wheel and tire information.

Electrical Systems:

Lighting, dashboard instruments and indicators, electrical features, battery maintenance.

Body And Interior:

Convertible top operation (for Roadster), door locks, windows, seating, climate control, interior features.

Infotainment And Comfort:

iDrive system (if equipped), audio system, navigation (if equipped), climate control, seat adjustments.

Operating Procedures:

Starting and driving, parking, convertible top operation, climate control usage, infotainment system operation.

Maintenance Procedures:

Checking fluid levels (oil, coolant, brake fluid, windshield washer fluid), tire pressure checks, bulb replacement.

Troubleshooting Guidance:

Understanding warning lights and indicators, basic troubleshooting steps for common issues.

Depth:

Owner-level operation, basic maintenance, and safety information. Does not cover in-depth diagnostic procedures or component replacement instructions typical of a service manual.

📊 Manual Specifications

File Format Details:

Printed format designed for durability and ease of use in a vehicle. Likely high-resolution printing.

Print Quality Details:

High-quality printing with clear diagrams, text, and images. Professional binding.

Binding Type:

Saddle-stitched or perfect bound, designed for durability within a vehicle environment.

Paper Type:

Durable, coated paper stock to resist wear and tear from regular handling.

⚙️ Engine Specifications

Engine Variant 30I:

N52B30 - 3.0L Naturally Aspirated Inline-6

Engine Variant 35I:

N54B30 - 3.0L Twin-Turbocharged Inline-6

Horsepower 30I:

255 hp @ 6600 rpm

Torque 30I:

220 lb-ft @ 2600-3000 rpm

Horsepower 35I:

300 hp @ 5800 rpm

Torque 35I:

300 lb-ft @ 1400-5000 rpm

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Fuel Delivery:

Direct Injection (for N54B30) / Port Injection (for N52B30)

🔧 Transmission

Transmission Standard 30I:

6-speed Manual Transmission

Transmission Standard 35I:

7-speed M-Double Clutch Transmission (M-DCT) with Drivelogic

Transmission Optional 30I:

8-speed Steptronic Automatic Transmission with Sport Mode

Transmission Optional 35I:

6-speed Manual Transmission

Drivetrain:

Rear-Wheel Drive (RWD)

📐 Dimensions

Length:

168.5 inches (4280 mm)

Width:

70.5 inches (1790 mm)

Height:

50.2 inches (1275 mm)

Wheelbase:

98.2 inches (2495 mm)

Trunk Volume Coupe:

11.8 cu ft (335 liters)

Trunk Volume Roadster Top Up:

6.4 cu ft (180 liters)

Curb Weight 30I Manual:

3,384 lbs (1535 kg)

Curb Weight 35I Dct:

3,539 lbs (1605 kg)

🛡️ Safety Features

NHTSA Rating:

Not explicitly rated by NHTSA for the E89 generation in a manner directly comparable to modern standards. BMW's internal safety engineering is comprehensive.

Braking System:

Four-wheel disc brakes with Anti-lock Braking System (ABS), Dynamic Brake Control (DBC), Brake Assist.

Stability Control:

Dynamic Stability Control (DSC) including Automatic Stability Control + Traction (ASC+T).

Driver Assistance:

Optional: Parking Distance Control (PDC), Adaptive Headlights.

Airbags:

Driver and front passenger airbags, side airbags integrated into seats, rollover protection system (for Roadster).

Seatbelts:

Three-point inertia-reel seatbelts with pretensioners and force limiters, seatbelt reminder.

💡 Technology Features

System:

BMW iDrive infotainment system (specific generation and features vary by model year and options).

Features:

Central display screen, controller knob, radio, CD player, optional navigation, Bluetooth connectivity, USB integration.

Assistance Systems:

Cruise control, optional Parking Distance Control (PDC), optional rearview camera, optional Adaptive Headlights.

Connectivity Options:

Bluetooth for hands-free calling and audio streaming, optional USB/Auxiliary input.

Keyless Entry Start:

Standard keyless entry and push-button start.

🔧 Maintenance

Oil Change Interval:

Condition-based service (CBS) system, typically around 10,000-15,000 miles or annually, depending on driving conditions.

Brake Fluid Change:

Every 2 years, regardless of mileage.

Spark Plug Replacement:

Around 60,000 miles for N52, and potentially longer for N54 (check CBS).

Engine Oil Specification:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) approved synthetic oil, typically SAE 0W-30 or 0W-40.

Coolant Specification:

BMW Blue Antifreeze/Coolant (G48), mixed 50/50 with distilled water.

Brake Fluid Specification:

DOT 4 High Performance Brake Fluid.

Transmission Fluid Automatic:

Specific ZF fluid (e.g., Lifeguard 8) for 8-speed Steptronic; often considered 'lifetime' by BMW but recommended for periodic replacement by independent specialists.

Transmission Fluid Dct:

Specific DCT fluid, recommended for periodic change.

N54 Twin Turbo:

Potential issues include fuel injector failure, ignition coil failure, turbo wastegate rattle, and high-pressure fuel pump (HPFP) issues. The manual would advise on normal operation and potential indicators.

Convertible Top Mechanism:

Hydraulic system leaks or pump failures for the retractable hardtop are possible; manual would cover basic operation and checks.

Water Pump Thermostat:

Electric water pump and thermostat failures have been noted in some BMW models of this era.

📚 Vehicle History

Bmw Philosophy:

BMW's long history of producing driver-focused, performance-oriented vehicles, particularly in the sports car segment dating back to models like the 328 and the original Z series.

Predecessors:

BMW Z3 Roadster/Coupe, BMW Z4 (E85/E86).

Generation E89 Launch:

Introduced for the 2009 model year, replacing the E85/E86 Z4. This generation featured a retractable hardtop for the Roadster, a first for the Z4 line.

Production Period:

2009-2016

Manufacturing Location:

Regensburg, Germany (BMW Plant Regensburg).

🏆 Awards & Recognition

Ward Auto Award:

The N54 twin-turbo engine received multiple Wards 10 Best Engines awards in the mid-to-late 2000s, a testament to its performance and technology, often found in models like the 335i and which powered the Z4 sDrive35i.

Consumer Reports Rating:

BMW vehicles generally receive good to excellent ratings for performance and driving experience from publications like Consumer Reports, though reliability can vary by model and year.

Emissions Standards:

Designed to meet or exceed emissions standards of its production era (e.g., Euro 5).