erratic ticking noise from engine, e30 316i - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 12-25-2005, 06:18 PM
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erratic ticking noise from engine, e30 316i

Hi
Ive only had my 316 for a few weeks now, everything going fine till it started making a ticking sound that increased with revs. I drive about 90 miles a day, some days its fine and runs perfectly, other days it starts after 10 miles, sometimes after about 20. Usually happens while im on the motor way, doing about 60. Ive checked the oil, thats ok, cambelt changed about 7000 miles ago so its probably not that. Any ideas? The only other thing I can think of is the valves/lifters need adjusting. Any idea how much thatd cost?

The cars a 91 316i, 118 000 miles. Everything else seems to still run fine, engine temp still good etc. Just worried that with doing quite a bit of driving that Im goin to damage the engine. Could it be that the valves arent getting enough oil? Sometimes when its making the noise, if i turn the car off then on again it stops, but other times it continues. Very random. Any ides??? Im desperate.

Thanks in advance
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#2 (permalink) Old 12-26-2005, 02:12 PM
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Hi,

I have the exact same thing with the exact same model. I've been told that the m40 camshaft tends to wear out easily because the oil feeding line above it isn't wide enough.
If yours has an m40 engine I don't think you can have the valves adjusted, because they're operated with hydraulics.
I'm not doing anything about it because it doesn't bother me that badly.
Try not to rev the engine until at least 20 seconds after starting it. That sometimes works for me.
Mine has about 216000 km on it and I do about 400 km a week.
Having a new camshaft put in will require a new timing belt as well so having it done at a shop can cost you close to 1500 dollars.
With winter setting in you could change the oil to a grade that's more appropriate.
Anyway, let me know if you run into more probs, cause not too many people here drive an m40 316i and I'd like to get to know my car better as well.
Greets.
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#3 (permalink) Old 09-26-2008, 09:21 AM
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Hey morgenster are did you have the camshaft replace in your m40? if so did it eleviate the problem? I have been reading around and i heard from many people that our e40 engine's eat up those camshafts like crazy... sorta sucks i doubt they have made a stronger cam for this motor. i wish they did.....
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