• Proper maintenance can prevent unexpected problems.young red-haired woman with her broken car. image by ta_samaya from Fotolia.com
  
  The M35 is Infinti's six-cylinder luxury sport sedan. While the M series was criticized after its initial 2003 release for lacking a sense of style to match its specifications, the critics saw the 2006 release of the M35 and M45 as appropriate answers to this problem. Infiniti specifies the maintenance necessary to keep the car running well.
  
  

Oil

• Changing your oil, the lubricant that keeps your engine from beginning to damage itself as it runs, is the easiest way to extend the life of your car. According to Infiniti's documentation, the oil on the M35 should be changed every 3,750 miles.
  
  

Air Filters

• You should replace the cabin's air filter every 7,500 miles, and the engine's air filter every 30,000 miles.
  
  

Inspections

• The axle and suspension parts, the brake calipers, the pads, the rotors, the drive shaft boots, the exhaust system, the front suspension ball joints, the propeller shaft, the steering gear and linkage, and the steering linkage ball joints should be inspected every 7,500 miles.
  
  

Transmission Fluid

• Manual and automatic transmission fluids should be inspected every 15,000 miles. Additionally, your brake lights, cruise control switches, differential oil and transfer case oil should be inspected every 15,000 miles as well.
  
  

Light Driving

• If you only drive your car sparingly in ideal conditions (Infiniti considers ideal conditions to be infrequent highway-style driving, not infrequent city driving), you can double the intervals listed above.