The BMW M4 is one of the most formidable and popular sports car derived from the legendary 4 Series, engineered by the top-notch BMW M division. Its aggressive and modern look lends it a bold and sporty appearance. Stepping into the cabin, you are engulfed in a serene atmosphere that inspires confidence in motion.
This guide covers the most commonly reported problems in the BMW M4, symptoms, causes, and practical fixes available in Kenya.
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- Crank Hub Failure
Symptoms
Difficulty starting the engine
Engine misfires
Sudden loss of power
“Drivetrain malfunction” warning
Causes
Aggressive driving can make the crank hub design slip
Fixes
Avoid aggressive driving
Install an upgraded pinned crank hub
- Turbocharger Wear
Symptoms
Whining noise
Excessive smoke
Loss of power
Causes
High mileage wear
Oil starvation
Aggressive driving without proper warm up
Fixes
Maintain strict oil change
Allow the engine to warm before a spirited driving
Repair or replace turbocharger
- Cooling System Issues
Symptoms
Coolant warning message
Engine overheating
Engine goes into limp mode
Causes
Leaking radiator
Faulty water pump
Heat stress from performance driving
Fixes
Upgrade to performance cooling components
Replace water pump
Replace thermostat
- Brake Wear
Symptoms
Reduced stopping power
Brake vibration
Squeaking brakes
Causes
Aggressive driving
High-performance braking generates heat
Fixes
Upgrade to performance brake kits
Replace pads and rotors
- Carbon Build-up (Direct Injection Engines)
Symptoms
Reduced power
Rough idling
Poor fuel economy
Causes
Intake valves accumulating carbon deposits
Fixes
Use high-quality fuel
Walnut blasting
READ ALSO: BMW 3 Series
Maintenance Tips For BMW M4 Owners
- Follow the service schedule
- Frequent oil changes at specified intervals (5,000-8,000 miles)
- Regular brake inspections
- Use genuine parts only
- Tires and alignment (every 20,000kms)
- After every 6 months clean the battery terminal
- Frequently check the fluid levels (power steering, coolant brake, oil)
- Go for regular diagnostic scans to detect problems at an early stage
- Scan for fault codes early when warning lights appear
We would like you to know that we sale genuine BMW M4 spare parts and body components. You can reach out to us through 0717200956 or email info@safarispares.co.ke and we will revert immediately.
