2002 BMW M5
The 2002 BMW M5 (E39 chassis) is a high-performance sedan known for its blend of luxury and sporty driving dynamics. It came equipped with a single engine and transmission option: a 4.9-liter (S62) V8 engine producing 394 horsepower and 369 lb-ft of torque, paired exclusively with a Getrag Type D six-speed manual transmission. People admire the car for its responsive engine, engaging handling, and timeless design. Common complaints include the cost of maintenance, the age-related issues of a 20+ year old car, and the relatively high fuel consumption compared to modern vehicles.
Engine
4.9L (S62) V8
- VANOS (Variable Nockenwellen Steuerung) Failure
- Description/Symptoms: Rattling noise from the front of the engine, particularly at idle or low RPMs. Loss of power, especially in the mid-range. Diagnostic Trouble Codes (DTCs) related to VANOS performance.
- Solution: Rebuilding or replacing the VANOS unit. This typically involves replacing the VANOS seals, solenoids, and potentially the VANOS gears and chain.
- Estimated Cost to Fix: $1,500 - $3,000+
- Recalls: None Found
- Oil Consumption
- Description/Symptoms: Excessive oil consumption, requiring frequent top-ups between oil changes. Blue smoke from the exhaust, particularly during startup or acceleration.
- Solution: In some cases, replacing the valve stem seals can help reduce oil consumption. More severe cases may require piston ring replacement or engine rebuild.
- Estimated Cost to Fix: $800 - $6,000+ depending on the severity and chosen solution
- Recalls: None Found
- Timing Chain Tensioner Failure
- Description/Symptoms: Rattling noise from the engine, especially on startup. Potential for timing chain slippage, leading to engine damage.
- Solution: Replacing the timing chain tensioner and inspecting the timing chain and guides for wear.
- Estimated Cost to Fix: $500 - $1,500+
- Recalls: None Found
- Idle Air Control Valve (IACV) Failure
- Description/Symptoms: Rough or unstable idle, stalling, particularly when the engine is cold.
- Solution: Cleaning or replacing the Idle Air Control Valve.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
Transmission
Getrag Type D 6-Speed Manual
- Clutch Failure
- Description/Symptoms: Clutch slippage, difficulty shifting gears, clutch pedal pulsation.
- Solution: Replacing the clutch disc, pressure plate, and throw-out bearing. It’s also advisable to resurface or replace the flywheel.
- Estimated Cost to Fix: $1,200 - $2,500+
- Recalls: None Found
- Throw-Out Bearing Noise
- Description/Symptoms: Squealing or grinding noise when the clutch pedal is depressed.
- Solution: Replacing the throw-out bearing. This typically requires removing the transmission.
- Estimated Cost to Fix: $800 - $1,500+
- Recalls: None Found
Suspension
- Self-Leveling Suspension (SLS) Issues
- Description/Symptoms: Rear of the car sagging, failure to maintain proper ride height, warning lights on the instrument cluster.
- Solution: Replacing the SLS accumulators, struts, or pump. A common conversion is to replace the system with standard coil-over shocks.
- Estimated Cost to Fix: $500 - $3,000+ depending on the failed parts and chosen solution
- Recalls: None Found
- Control Arm Bushing Wear
- Description/Symptoms: Clunking or rattling noise from the front or rear suspension, particularly over bumps. Vague steering feel, uneven tire wear.
- Solution: Replacing the worn control arm bushings.
- Estimated Cost to Fix: $300 - $1,000+ per axle
- Recalls: None Found
Electrical
- Pixel Loss in Instrument Cluster/Radio Display
- Description/Symptoms: Missing or faded pixels in the instrument cluster display or the radio display, making it difficult to read information.
- Solution: Replacing or repairing the affected display unit. Several companies offer repair services.
- Estimated Cost to Fix: $200 - $600
- Recalls: None Found
- Battery Drain
- Description/Symptoms: The car battery drains quickly, especially when the car is not driven regularly.
- Solution: Identifying and addressing the source of the parasitic draw. Common causes include faulty relays, aftermarket accessories, or a failing Final Stage Resistor (FSR) for the HVAC blower motor.
- Estimated Cost to Fix: $100 - $500+ depending on the cause
- Recalls: None Found
Exterior
- Rearview Mirror Issues
- Description/Symptoms: Dimming rearview mirror fluid leaking, the mirror not dimming, or displaying discolored spots
- Solution: Replacing the mirror
- Estimated Cost to Fix: $200 - $500+
- Recalls: None Found
Interior
- Navigation Screen Failure
- Description/Symptoms: The navigation screen goes black or displays distorted images.
- Solution: Replacing the navigation screen unit.
- Estimated Cost to Fix: $500 - $1500+
- Recalls: None Found
- Loose Interior Trim
- Description/Symptoms: The door panels or trim are loose or falling off.
- Solution: Reattaching the loose trim pieces. In some cases, replacement clips may be necessary.
- Estimated Cost to Fix: $50 - $300+
- Recalls: None Found
Summary:
The 2002 BMW M5 is a fantastic sports sedan, but age takes its toll. The most severe issues revolve around the engine (VANOS, oil consumption) and self-leveling suspension, which can lead to significant repair bills. Electrical gremlins and interior issues are also common, although typically less expensive to address. Prospective buyers should factor in potential maintenance costs when considering purchasing a 2002 M5, and a pre-purchase inspection is highly recommended.