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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 12-01-2008, 08:19 PM   #1 (permalink)
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Question 99 540i Rattling Noise In Engine

JUST GOT MY CAR BACK FROM TUNEUP HAD INFO COME BACK AS SLOPPY TIMMING CHAIN ANYBODY HAVE ANY INFO ON THIS WHAT IM IN FOR OR WHAT ANY HELP WOULD BE GREATLY APPPRECIATED! if u have info send me on here or my email jeremy_boyle72@hotmail.com thanks again
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Old 12-01-2008, 08:37 PM   #2 (permalink)
OMFG another one!?
 
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A loose timing chain means it needs a new tensioner. Please leave the caps lock off when posting.
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Old 12-01-2008, 08:58 PM   #3 (permalink)
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it may be loose i dont think you have a timing chain i believe its a belt but if its a chain it could snap and if you timing is off it screws your hole car up dont drive till its fixed and no its not cheap
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Old 12-01-2008, 09:00 PM   #4 (permalink)
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sorry about the caps, i didnt have this problem untill the post clamp slipped off my battery ever since then its been making this weird noise??
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Old 12-01-2008, 09:40 PM   #5 (permalink)
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no clue my batts in the trunk it is a knock or somethin or like a screech? does it smoke under the hood unless you car it like a 85 theres a belt nobody uses timing chains anymore there dangerous and screw everything up if the post clamp came off you might have grinded your belt out and warped it you have to detail where its exactley coming from
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Old 12-01-2008, 09:54 PM   #6 (permalink)
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Most newer engines do use timing chains. They can last for the life of the engine, whereas belts last to about 60,000 or 65,000 miles. Interference engines suffer severe head and piston damage from a snapped belt. Timing chains are not dangerous.
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Old 12-01-2008, 10:05 PM   #7 (permalink)
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oh wait sorry it is a chain you need a new tensioner best bet upper and lower grab you for about a hundred bucks and in all reality they ar dangerous if they jump or skip they can tangle up as where belts just snap
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Old 12-01-2008, 10:17 PM   #8 (permalink)
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and in all reality they ar dangerous if they jump or skip they can tangle up as where belts just snap
Can you site examples of this and their causes?
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Old 12-01-2008, 10:28 PM   #9 (permalink)
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Belt Drives Vs. Timing Chains
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Old 12-01-2008, 10:38 PM   #10 (permalink)
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Interesting. That site really just points out the convenience of the way the timing belt set up can be quickly adjusted, as for track visitors. Over all, it's very hard to suggest that belts are a safer timing method.
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Old 12-02-2008, 08:04 PM   #11 (permalink)
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Angry noise comming from engine

it does sound like a timming chain, how hard is this to get at am i looking at serious money! its ticking loudly, it wasent doing it all of the sudden then getting louder???my engine lite came on and said cam sensor bank one and runnign rougher then it was wondering if it skipped out of time???
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Old 12-02-2008, 08:45 PM   #12 (permalink)
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Finding out the specifics on timing chain tensioner service may take a bit of searching. I wouldn't try it without the Bentley or similar manual. I really doubt it skipped any; if so, it would probably not run at all.
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Old 12-02-2008, 09:20 PM   #13 (permalink)
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Cool rattling

oh fantastic, yeh im not much of a mechanic so will have to go to an import mechanic i wonder what a tensor an labour will cost it that will fix it??
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Old 12-02-2008, 09:24 PM   #14 (permalink)
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but i need to learn
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