BMW Z4 2.5i Roadster Z4 Series 2003 Owner's Manual

BMW Z4 2.5i Roadster Z4 Series 2003 manual cover
Pages 106
Year 2003
Language(s)
English en

BMW Z4 2.5i Roadster Z4 Series 2003 Specification

The BMW Z4 2.5i Roadster, part of the Z4 Series introduced in 2003, represents a blend of performance, design, and advanced engineering. Under the hood, it features a 2.5-liter inline-six engine, capable of delivering 184 horsepower at 6,000 RPM and 175 lb-ft of torque at 3,500 RPM. This powertrain is mated to a standard five-speed manual transmission, with an optional five-speed automatic transmission available. The rear-wheel-drive layout ensures a dynamic driving experience, emphasizing the roadster's sporty character.

In terms of dimensions, the Z4 2.5i measures 4,091 mm in length, 1,781 mm in width, and 1,268 mm in height, with a wheelbase of 2,495 mm. The curb weight stands at approximately 1,290 kg, contributing to its agile handling and impressive acceleration. The suspension system includes a front strut and rear multi-link setup, designed to provide a balance of comfort and responsive handling.

The exterior design of the Z4 2.5i Roadster showcases BMW’s distinctive styling cues, featuring a long hood, short overhangs, and a retractable soft-top roof. The interior is driver-focused, offering sport seats, premium materials, and a straightforward dashboard layout. Standard features include air conditioning, a CD player, power windows, and keyless entry, with options for leather upholstery and advanced audio systems.

Safety is addressed with features such as anti-lock brakes (ABS), electronic stability control (ESC), and multiple airbags. The braking system consists of ventilated disc brakes on both the front and rear. The Z4 2.5i's blend of performance, elegance, and engineering makes it a compelling choice for enthusiasts seeking an engaging roadster experience.

BMW Z4 2.5i Roadster Z4 Series 2003 F.A.Q.

What is the correct tire pressure for the BMW Z4 2.5i Roadster 2003?

The recommended tire pressure for the BMW Z4 2.5i Roadster 2003 is 32 PSI for the front tires and 35 PSI for the rear tires. Always check the owner's manual for any updates or specific conditions that may alter these values.

How do I reset the oil service light on a BMW Z4 2.5i Roadster 2003?

To reset the oil service light, turn the ignition to position 1 (do not start the engine). Press and hold the odometer reset button until the service light flashes and then release it. Press it again briefly, and the new interval will be displayed.

What type of engine oil is best for the BMW Z4 2.5i Roadster 2003?

The BMW Z4 2.5i Roadster 2003 typically requires synthetic engine oil with a viscosity of 5W-30. It is important to use oil that meets BMW Longlife-01 specifications.

How do I troubleshoot a malfunctioning convertible top on the BMW Z4 2.5i Roadster 2003?

First, check the fuses related to the convertible top mechanism. Ensure that the hydraulic fluid level is adequate. Inspect for any visible damage or obstructions. If the problem persists, it may require a diagnostic check by a professional.

What is the maintenance schedule for the BMW Z4 2.5i Roadster 2003?

Regular maintenance for the BMW Z4 2.5i Roadster 2003 includes oil change every 7,500 miles, air filter replacement every 15,000 miles, and spark plug replacement every 60,000 miles. Refer to the owner's manual for a comprehensive maintenance schedule.

How can I improve fuel efficiency in my BMW Z4 2.5i Roadster 2003?

To improve fuel efficiency, ensure your tires are properly inflated, perform regular maintenance, avoid excessive idling, and use cruise control on highways. Removing excess weight and ensuring the engine is tuned can also help.

What are common causes of engine overheating in the BMW Z4 2.5i Roadster 2003?

Common causes of engine overheating include a malfunctioning thermostat, low coolant levels, a broken water pump, or a clogged radiator. Regularly checking and maintaining the cooling system can prevent overheating issues.

How do I replace the battery in a BMW Z4 2.5i Roadster 2003?

To replace the battery, remove the battery cover in the trunk, disconnect the negative and then positive terminals, and remove the battery securing bracket. Replace with a new battery, secure it, and reconnect the terminals in reverse order.

What should I do if the check engine light comes on in my BMW Z4 2.5i Roadster 2003?

If the check engine light comes on, ensure the gas cap is tightly secured. If the light remains, use an OBD-II scanner to check for error codes, or take the vehicle to a professional for diagnosis.

How do I maintain the leather seats in my BMW Z4 2.5i Roadster 2003?

To maintain leather seats, regularly clean them with a damp cloth, use a vacuum to remove debris, and apply a quality leather conditioner every 3-6 months to prevent cracking and fading.