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1990 BMW 525i Valve Adjustment

Tiny
JACODELIC
  • MEMBER
  • 1990 BMW 525I
  • 6 CYL
  • 2WD
  • MANUAL
  • 200,000 MILES
I have just adjusted my valves on my BMW. The book said that the correct spec is.012, but the valves seem to be noisier than before they were adjusted and when I initially checked them the.012 feeler guage would not fit. Should I readjust to.010 which is the spec for the four cylinder engine? What is the correct spec for the 6 cylinder engine?
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Sunday, June 20th, 2010 AT 2:30 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS


https://www.2carpros.com/forum/automotive_pictures/62217_valves_1.jpg


Both are right!
VALVE CLEARANCE ADJUSTMENTS 1. Adjust valves in firing order (1-5-3-6-2-4), with piston of cylinder being adjusted at TDC of compression stroke. Use a feeler gauge to measure clearance between rocker arm eccentric and tip of valve. 2. To adjust valve clearance, loosen nut on rocker arm and insert a rod in eccentric hole. Rotate eccentric until proper clearance is obtained and tighten lock nut.
VALVE ARRANGEMENT Right Side - All Exhaust. Left Side - All Intake.
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Sunday, June 20th, 2010 AT 3:37 PM

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