BMW M3 Convertible 3 Series 2003 Owner's Manual

BMW M3 Convertible 3 Series 2003 manual cover
Pages 166
Year 2003
Language(s)
English en

BMW M3 Convertible 3 Series 2003 Specification

The 2003 BMW M3 Convertible, part of the renowned 3 Series, epitomizes the fusion of luxury and high-performance engineering. This vehicle is powered by a 3.2-liter inline-six engine, capable of delivering an impressive 333 horsepower at 7,900 RPM and 262 lb-ft of torque at 4,900 RPM. The engine features dual overhead camshafts, variable valve timing, and a high-revving nature, ensuring a thrilling driving experience.

The M3 Convertible offers a 6-speed manual transmission as standard, with an optional 6-speed SMG (Sequential Manual Gearbox) that provides rapid gear shifts for enhanced performance. The rear-wheel-drive layout, combined with a finely-tuned suspension system featuring MacPherson struts at the front and a multi-link setup at the rear, ensures precise handling and a balanced ride.

In terms of dimensions, the vehicle measures 176.9 inches in length, 70.1 inches in width, and 53 inches in height, with a wheelbase of 107.5 inches. Curb weight stands at approximately 3,781 pounds, contributing to its robust yet agile demeanor. The interior is designed with driver-centric ergonomics, offering sport seats with premium leather upholstery, a multi-function steering wheel, and a high-quality audio system.

Safety features include anti-lock brakes (ABS), dynamic stability control (DSC), and front and side airbags, ensuring a secure driving environment. The exterior design is marked by aggressive styling cues such as flared wheel arches, a sculpted hood, and distinctive M badging, complemented by 18-inch alloy wheels and performance tires.

The 2003 BMW M3 Convertible remains a compelling choice for enthusiasts seeking a blend of open-top motoring pleasure and track-worthy performance, solidifying its status as an iconic model in the M3 lineage.

BMW M3 Convertible 3 Series 2003 F.A.Q.

What is the recommended oil type and capacity for a BMW M3 Convertible 3 Series 2003?

The recommended oil type for the 2003 BMW M3 Convertible is 10W-60 synthetic oil. The engine oil capacity is approximately 5.5 liters (5.8 quarts) including the oil filter.

How do I reset the service light on my BMW M3 Convertible 3 Series 2003?

To reset the service light, turn the ignition key to position 2 without starting the engine. Press and hold the odometer reset button until the service light begins to flash. Release the button and press it again briefly to reset the light.

What is the proper tire pressure for the BMW M3 Convertible 3 Series 2003?

The recommended tire pressure for the 2003 BMW M3 Convertible is 33 psi for the front tires and 35 psi for the rear tires. It is important to check the tire pressure regularly to ensure optimal performance and safety.

How often should the spark plugs be replaced in a 2003 BMW M3 Convertible?

It is recommended to replace the spark plugs in the 2003 BMW M3 Convertible approximately every 30,000 miles to maintain optimal engine performance and fuel efficiency.

What is the correct coolant type for the BMW M3 Convertible 3 Series 2003?

The correct coolant type for the 2003 BMW M3 Convertible is BMW's own brand of coolant, which is typically a blue or green-colored ethylene glycol-based fluid. It is important to use the appropriate BMW-approved coolant to prevent corrosion and ensure proper engine cooling.

Why does my BMW M3 Convertible 3 Series 2003 make a squealing noise when I start it?

A squealing noise upon starting the engine could be due to a worn or loose serpentine belt. Inspect the belt for cracks, wear, or looseness, and replace or adjust it as needed to eliminate the noise.

How can I troubleshoot a convertible top that won't open on my 2003 BMW M3 Convertible?

First, check the fuses related to the convertible top mechanism. Ensure the trunk partition is correctly positioned, as the system will not operate if it's not secured. If issues persist, inspect the hydraulic fluid level and look for any leaks in the system.

What are common causes for a check engine light in a BMW M3 Convertible 3 Series 2003?

Common causes for a check engine light in the 2003 BMW M3 Convertible include faulty oxygen sensors, a loose gas cap, faulty spark plugs or ignition coils, or a malfunctioning catalytic converter. A diagnostic scan tool can help pinpoint the specific issue.

How do I maintain the leather seats in my BMW M3 Convertible 3 Series 2003?

To maintain the leather seats, regularly clean them with a damp cloth and use a leather cleaner and conditioner to keep the leather supple and prevent cracking. Avoid prolonged exposure to sunlight to prevent fading.

What should I do if my 2003 BMW M3 Convertible's battery keeps dying?

If the battery keeps dying, check for any electrical components that may be left on, such as lights or the radio. Test the alternator to ensure it is charging the battery properly. If necessary, have the battery tested for a possible replacement.