Web9 nov 2010 · Danny540i guest. My 2002 540i has 130,00 miles on it and I just started to have an Issue with the engine running rough, but only on a cold start up. Once the car reaches its normal temp. the car runs perfect with no hesitation or loss of power. I had never changed the spark plugs on the car since I got it with 70,000 miles and thought that the ... Web31 ago 2024 · Blue Smoke Occurs When Starting A Diesel Car: Damaged Glow Plug Damaged glow plugs cause blue smoke from car When starting up a diesel engine, we need to use a glow plug to cause ignition of diesel fuel. Once the engine is warmed up, the use of the glow plug is not necessary as the heat of the engine makes ignition of diesel fuel.
Blue smoke, rough idle on startup - bimmerforums.com
Web16 apr 2014 · Discussion Starter · #1 · Nov 16, 2009. Hey Everyone, HOPE SOMEONE can help!! At start up in the morning, I have a loud WHINING noise in the engine. Can also feel the whine through vibration in the steering wheel. After about 10 - 15 minutes of slow driving, it seems to subside and go away. NO dashboard errors - has the usual rough noises ... Web25 mar 2024 · 2001 540i. 187,000 miles. Runs good. Good power. Occasional rough idle, but rarely. No odd noises when running. No noises or high vacuum or pressure when up … lauderdale doctors surgery online booking
SOLVED: My e39 blue smoke at starup - Fixya
Web29 apr 2024 · If it happens, then there might be a failed coolant tank, unusual oil leaks, damaged cylinder head, broken fuel pump injector, or issues in the engine control unit. See the mentioned slideshow to know more about the main causes of white smoke from the exhaust of your BMW. Master Mechanics Follow Advertisement Advertisement … WebPiston rings overlap. Another common cause of the smoke on engine startup is overlapping piston rings. Because of this, you will often see gray and white smoke coming out from the exhaust. Oil can get into the cylinders also because of worn piston rings. This happens often when the engine is cold. After warming up, the piston rings are running ... WebThe possible sources of blue smoke are: Worn valves or guide seals Failure to change your oil or oil filter regularly enough Damage or wear to pistons Turbocharger issues The solution You need a three-step approach. It involves using: The right oil – cheaper alternatives lack the quality you need lauderdale county welcome center toomsuba ms