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General E46 Forum
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Old 08-21-2012, 04:11 PM   #1
Jeff321
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Angry Just got ripped off with a 330 D, engine noisy :( please help, may need a new engine

hi guys yesterday i have aquired a 2003 e46 330d m sport 132k, car looks amazing, however upon purchasing i never realised the engine was so tappety and noisy, the car had been warmed up maximum, drove it back around 100miles and everything seemed fine, got home left it switched off for a few hours and started it from cold and the engine sounds really loud like a tappety noise, theres no warning lights on the dash and the car drives fine however it is seriously seriously annoying and ashameful when driving it down the road, i am considering having it repaired, however if it is out of my budget then ill consider taking it to auction on saturday , the car looks amazing and i would love to keep it however when purchasing i didnt really want to spend anything on a car and baught it considering it would last me a few months at least when i id saved up some cash to tweak it up,

now im not sure what path to take i left it at a bmw specialist near by and he couldnt figure out what the noise is and stated he had a 530d on the ramp which had the exact same problem and they were investigating it,

does anybody know any decent and affordable bmw specialists north west, im in manchester,

or even a place where i can get a replacement engine from? labour i have been quoted for fitting only is around 500

not sure which path to take guys please help all advice is always appreciated,

Jeff
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Old 08-21-2012, 04:22 PM   #2
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Vanos? If it's the cause, it's not too pricey of a fix. Just takes some time I hear. Pardon the pun...



Upload a video of the sound and the guru's on here will tell you what you need.

Last edited by dpower2012; 08-21-2012 at 04:24 PM.
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Old 08-21-2012, 04:38 PM   #3
Jeff321
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Hi thanks for your reply, will upload a vid tomorrow, just to clarify its a diesel, does the 330 diesel have vanos?
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Old 08-21-2012, 05:01 PM   #4
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Sorry I guess I should have noted the "D" in your 330d description. I don't think the diesels have a vanos.
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Old 08-21-2012, 05:06 PM   #5
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Nope, the Diesels do not have the VANOS system. It could be due to running on cheapo supermarket Diesel, I know some cars sound terrible running it. Run some fuel system cleaner through the system and replace the fuel filter located under the cab below the front passenger seat.

1. REMOVE and blank off the "swirl flaps". These appear prone to breakages and the metal debris knackering the engine. This is considered an absolute must do task. http://www.pmwltd.co.uk/
2. Replace the engine crank case breather. The engine build year you have may have the old "loo roll" style that gets clogged up and can lead to premature turbo failure. Get the "Vortex" type, not expensive 32 or so.
3. Remove and clean the EGR valve and ensure it is operating smoothly. When the engine is not running it is closed and is opened up via vacuum control when the engine is running.
4. Enter the hidden menu system on the car and check the coolant temperature is actually normal. The needle on the dash will read at 12o'clock (optimum) even if the engine is running as cold as 70C. Only below 70C does it drop dramatically. There are two thermostats on the diesel engines (euro IV spec engines). One on top of the EGR cooler and the main stat is next to the water pump. The stat fitted to the EGR cooler opens in two stages, stage 1 is around 70C, full open occurs at 90C. The main water stat should open at 88-90C.
5. Have the car serviced, replace oil, oil filter and air filter.
6. Run the car on proper diesel, BP or Shell in my opinion. It does not need to be the Ultimate or V-Power stuff, just the regular diesel. Do not use supermarket crap as it does not have the advanced additives to burn cleaner and keep the engine cleaner. The Supermarket stuff meets the minimum BS EN standards, but it will soot up the internals, as you will see when you view the inside of the EGR valve.

Think I have about covered most things, best of luck with it.

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Old 08-21-2012, 05:16 PM   #6
Jeff321
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Neil now thats what i call some expert advice!!!!

all sounds pretty much reassuring to try anyway, even if it doesnt resolve the issue, however it is a cheaper option than changing engines, just spoke to a guy also and he adviseed havingthe injectors tested, so will do all of the above and also get injectors tested, may well have been run on cheap diesel and stuff, there was a canister in the back with diesel in so may just be something easy to fix, not getting my hopes up but still will try these and get back to you, not sure when my next day off is but will keep u updated, please keep the comments coming all advise is great

thanks
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Old 08-21-2012, 05:23 PM   #7
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Jeff, it is worth while bookmarking the following sites:
www.realoem.com
http://tis.spaghetticoder.org/
http://forum.e46fanatics.com/showthr...=320965&page=1
http://www.bimmerdiy.com/dir/e46
http://m3.madrussian.net/
www.bmwland.co.uk

Also have the glow plugs tested, while you are at.

Neil.
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Old 08-21-2012, 09:25 PM   #8
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Diesels ARE tappety....thats the noise they make, even brand new. No amount of servicing will make your engine as quiet as a petrol engine. I've been sitting at a stop light with a new gen diesel x5 in the left lane and I could hear it's motor....with my windows up.
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Old 08-21-2012, 09:36 PM   #9
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Originally Posted by drivesacrj View Post
Diesels ARE tappety....thats the noise they make, even brand new. No amount of servicing will make your engine as quiet as a petrol engine. I've been sitting at a stop light with a new gen diesel x5 in the left lane and I could hear it's motor....with my windows up.
This...
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Old 08-21-2012, 10:00 PM   #10
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You do realize diesels all sound like crap.

They all go chugga chugga chugga
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Old 08-21-2012, 10:13 PM   #11
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diesels are always very knocking (thats how it works).
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Old 08-22-2012, 04:43 AM   #12
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yes they generally are quite noisy however u can tell a healthy engine to a not so healthy one, ive previously owned a few 320d's which were allot quiter and the engine didnt knock, this sounds like a piston slap, or bottom end bearings, or even tappets.....

Last edited by Jeff321; 08-22-2012 at 05:14 AM.
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Old 08-22-2012, 05:44 AM   #13
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id have a look at the injectors they do get clogged and when an injector is off in a diesel or not spraying right they do sound like tractors. i would get a screwdriver with a wooden handle and place the tip of the screwdriver on the end of the injectors whilst it is running and you should hear clicking and they should all sound the same. if you get a pinging or one sounds different from the others thats your problem. get some injector cleaner down it and see if it cleans it up. if not then maybe new injector.

failing that on diesels the pump timing might be slightly off which would cause a rattly engine its a common thing on diesels here the uk for that to happen if it is just needs timing set again and the noise will go.

failing that you might need to readjust your rockers as there maybe some wear in there and blocked by gunge if it hasnt had reagular oil changes. could be clogged a lil bit and causing the knocking noise.

i very much doubt you will need a new engine just a lil bit of tlc.
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Old 08-22-2012, 07:36 AM   #14
Jeff321
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hi thanks for your replies guys, will try and get a video uploaded tonight of the sound..... hope you all know what it is.

Jeff
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Old 08-22-2012, 12:26 PM   #15
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click on the image to view video...

Last edited by Jeff321; 08-22-2012 at 12:30 PM.
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Old 08-22-2012, 12:34 PM   #16
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The phrase, "ripped off" is a powerful statement. What did your PPI say about the engine condition? If you did not have the inspection done, you are SOL because you didn't do your research. You should not throw around that phrase if you failed to do a PPI or if you have no proof that any issue was hidden by the seller.
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Old 08-22-2012, 12:51 PM   #17
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sounds like at deisel.
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Old 08-22-2012, 01:00 PM   #18
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Sounds like a normal diesel to me.
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Old 08-22-2012, 01:05 PM   #19
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that sounds like the exhaust is blowing to me, but the engine sounds ok. check the exhaust for leaks sounds maybe like the downpipe is blowing or the centre section of the exhaust it seems to me its the centre section blowing as its very loud by the driver door and the bonnet down. put it on ramps or jack it up and inspect for holes in the exhaust.

that knocking noise is the injectors doing there thing. thats normal.

is it sluggish on take off or accelerating?
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Last edited by sabreuk; 08-22-2012 at 01:09 PM.
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Old 08-22-2012, 01:12 PM   #20
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Originally Posted by sabreuk View Post
that sounds like the exhaust is blowing to me, but the engine sounds ok. check the exhaust for leaks sounds maybe like the downpipe is blowing or the centre section of the exhaust it seems to me its the centre section blowing as its very loud by the driver door and the bonnet down. put it on ramps or jack it up and inspect for holes in the exhaust.

that knocking noise is the injectors doing there thing. thats normal.

is it sluggish on take off or accelerating?
+1 on this. I'm no expert on diesel engines, but to me the motor sounds fine, it sounds as though the exhaust might be the issue. I would say its definitely louder than it ought to be. My .02
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