Q&A

1999 BMW 740i

Question: MY BMW SMOKES EVERY TIME I START IT UP

Question

ballerboi34, Chesterfield, VA, January 09, 2012, 17:29

 Rookie

EVERY TIME I START IT UP

2 Answers

Answer It

Flag This

Follow this Question Unfollow this Question

• Best Answer
  patrick mannion from Greg Solow's Engine Room, January 09, 2012, 19:20
  

   Master

  Most likely worn valve guides or worn valve guide seals. Oil seeps down the valve guides after you switch off the engine and gets blown out the exhaust on start up.
  Reply
  Flag This
  Like | 1 person likes this1
• Answer #2

  Lowcountry_shawn January 10, 2012, 09:20
  

   Enthusiast

  Blue smoke is oil. White smoke is water.
  Reply
  Flag This
  Like0

• engine oil leak and smoke coming out of the exaust everytime I start the car.
  I am using over 10 quarts of oil between oil changes at 3000 miles, and I have smoke coming out of exhaust pipes every time I start the car. It has 148,000 miles on it. I changed to thicker oil and...

  Q&A > BMW > 2000 BMW 740i