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  1. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all. Had this annoying noise since I've had the car (3months...). It is engine related, gets faster with engine speed - taps once a second at idle. It seems to be coming from the vac pump on the front, does that sound plausible? Is the tapping a worn part, can the pump be replaced...
  2. BMW 3 Series Forum - Technical Talk on the BMW E21
    Hey everyone, I purchased a 1997 328i about two months ago and the engine has had no issues until this morning when I heard a concerning tapping noise coming from the engine. It seems to happen when idling and warm. Here is a video...
  3. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi guys, i'm new here. I bought a 2012 520d with 125.000 miles on the clock. it is the 184 hp with 8 speed automatic (engine code N47D20C) I live in Denmark, and we have some cold nights right now. (4-5 degrees Celsius) The first 3-4 minutes of driving i hear a slight version of engine...
  4. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all, I noticed today my car suddenly, out of the blue, started making a loud tapping mechanical sound. Upon closer inspection I saw that the Aircon belt had fallen off and was lying on the undertray. I looked at some diagrams of the E46 belts and noticed they all seemed to have tensioners...
  5. BMW 3 Series Forum - Technical Talk on the BMW E21
    As per tittle. My cars been trouble free for years. But the 323I ie 2.5 sounds bloody awful. Im hoping that in the morning she woll be ok. I only really do short journeys. But to night I literally sat in 4 miles off traffic cruel stop start when I finally got clear and home she sounded like...
  6. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi all, hope you are having a good christmas etc As it happens I happened to have the best present ever this year in that after about 180 miles of driving, rolling down the motorway and all of a sudden heard a tapping noise, thought was tyre related at first but when I changed gears rage...
  7. BMW 4 Series - Tech Talk F32,F33,F36,F82,F83
    Has anyone else experienced a whining noise when tapping the accelerator. I have a 430d on a 64 plate. The dealer replaced the air box and now says the noise is normal for that car but it sounds like two marbles rubbing against each other. It starts when the engine is hot and you can hear it...
  8. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey guys, Bought my 325i a month ago, drove and felt absolutely perfect. Only done 3 long journeys, the last one being a couple of weeks back - it's at 78K miles and hasn't had any previous issues regarding sounds or performance. About a week ago, I noticed an odd tapping sound when I was...
  9. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Firstly let me introduce myself. I am new to this forum but not new to BMW by any stretch, I am a hard headed BMW fan and my last 3 cars have consisted of an E92 Coupe 335d M Sport which I had mapped, an E92 M3 Coupe in manual (manual being the big mistake there) and onto my current E92 335i M...
  10. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    well I have bought another one of these bmw 645s convertible, because it think they are a engineers ? mechanics car, and are so great to drive, so anyway bought anther one I had a black one that I had done a lot on , valve stem seals ( bad smoke after ticking over ) cats changed all new discs...
  11. BMW 3 Series Forum - Technical Talk on the BMW E46
    I have recently brought this car. Can anyone help. I have a intermittent tapping noise coming from around the bottom end (I think). It only happens when first started. When driven and engine becomes warm the noise goes away. Any help would be appreciated. Recently had the crank pulley replaced...
  12. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    My E61 530D has developed a tapping noise from the top end of the engine, and I am trying to work out what is causing it. It taps at half engine speed, so camshaft speed, it sounds similar to a slack tappet. I have heard that various things might be the cause, including a worn tappet, faulty...
  13. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Video is taken in night sorry for that. I recently got some knocking that is most noticeable when i stand next to rear wheel. In the engine area the noise is not that loud maybe lost in the engine noise. It seems that it comes from under the car or behind the front wheel. Knocking gets...
  14. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    I previously thought I had fixed this issue but it's still there, regardless engine is hot or cold. It's intermittent, doesn't matter what type of diesel is used. All Injectors have been reconditioned, they've been done by two seperate specialists but the noise is still there. Does anyone...
  15. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Having never owned a diesel other than work van I'm not sure if this is normal? I removed the oil filler cap today with the engine running to top the oil up, it made a loud tapping noise??? When the cap is on it's silent? Is this normal??
  16. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    My 530D has 151K on the clock, my indy replaced the cam cover gasket recently, which involves removing the injectors -one was quite tight, and they struggled to remove it. When I collected the car they did say that a new injector might be required - it turns out this same injector was out of...
  17. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all, Been a member for a while but this is my first post. Had the car a while, it always made a feint metallic tapping noise at the from of the engine. It since got louder and more noticeable higher up the Rev range. One injector was out so had them all reconditioned. Engine much...
  18. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi guys, I've been searching myself silly for the last couple of hours to no avail and finally decided to post in case someone has some idea about my problem. Issue: Simply; I'm want to get access to some of the speaker wires near the boot (i.e. the parcel shelf speakers). Reason: Stock...
  19. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, Sometimes when I cold start my 325D it makes this tapping noise, seems to go away when it has warmed up is this normal ? Also I have noticed when i'm revving slowly around 1500 Revs/Min I hear this weird resonating/bellowing noise but goes away when i lightly accelerate is this normal for...
  20. General BMW Discussions
    hi am chris just joined this today as i have saved up really hard and bought me self a bmw2010 520 deisle auto an i have had it since November last year but lately i have been hearing this tapping clicking noise when i drive the car of a morning after about 3-5 mins the noise goes i only just...
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