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  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    hello guys I have a issue with this 330d I picked up for very cheap and want to fix but If I have to replace the engine I will! sounds like this https://www.youtube.com/watch?v=EiPsk3hUmvQ but nowhere near aggressive when he revved it any ideas?
  2. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all, since the weather has been getting warmer I’ve noticed a knock/creak from the front right when turning at low speeds. It also knocks when pulling away sometimes. Only happens at low speeds and while stopped. The wheel has some side to side play. I’ve had a look and feel around and...
  3. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all, Recently I've had both lower track control arms replaced with Meyle as needed for MOT (slight play in both joints). Now the front passenger wheel has a knocking noise when braking, I jacked up the front and moved the wheel left to right and this when a knock happens (one knock left and...
  4. BMW 3 Series Forum - Technical Talk on the BMW E46
    What are healthy voltages for knock sensors? I'm getting between 3-5 volts across all 4 cylinders showing on DIS, and I'm thinking this may be a little high? Richard
  5. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi all just purchased a second hand engine because my old one had a crack in cylinder 6 its all in and running but it sounds like my rod bearings are knackered "lucky me" I was just woundering can the bearings be replaced while the engine is in the car like they can with the v8 m3 engine or is...
  6. BMW X Series - Tech Talk For All Gen Of X Series
    Hi, I've been reading this forum for a few days and you guys seem very resourceful! :) In short: Can you please recommend a London based (West London?) mechanic to investigate some serious transmission clunking and knocking on my X3? Could also be based in Fleet/Basingstoke where my office...
  7. BMW 5 Series Forum - Technical Talk on the BMW E12
    So i got this unusual loud knock for a year now, it appears to be loudest under intake manifold. Under car its quiet, and no one can tell what it is, it do not affect how engine works. Cold&Hot starts are good, high pressure pump is untouched, but i start to belive that pump does that knocking...
  8. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi All, Want to run a quick situation by you. Removed the EGR from my car the other day to clean, badly caked in carbon. Cleaned with screwdrivers, toothbrush and lots of carb cleaner. I did the same process to the meeting face of the inlet manifold. When I started the car back up it knocked...
  9. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello, new to the forum. Have recently purchased my first BMW m3. Just have a quick question regarding the gear change. When driving, when I change gear, and release the clutch there is a slight knock/jerk feeling if the clutch is release quickly. If the clutch is release slowly, I don't feel...
  10. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Knock , clunk , front suspension area Good afternoon everyone , I have an irritating knock/clunk coming from the front of my 5 series , it appears mainly over very slightly uneven surfaces and sounds like it is coming from driver's side front area , the noise has got more noticeable over...
  11. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    HI all im having a issue with my 07 n54 , i used mhd v7 stage 1 with cat less DPs and see the gain of power :jaw-dropping !!! so last week i add some mods FMIC,BMS DUAL CON,CP WITH TIAL BOV . and put a stage 2+. now my problem are on hight boost the engine is knoking on gear change for about...
  12. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi All, ive noticed recently that there is a knocking sound coming from the engine. Thankfully you can hear it on the video but in person you can only hear it at certain angles. Here is a video of the car https://youtu.be/A5NFFWPEhTA And here is one of INPA displaying pretty much every value...
  13. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey I've got two faulty knock sensors on my 1.9 M43 does this affect acceleration at all??
  14. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey chaps, I got a diagnostic test sheet back. Amongst some of the various wall of codes I've seen that Knock sensors 1 and 2 are showing faults. I don't know exactly where they are or how many there is but I'm assuming that this is causing some fuel economy problems with my car. Anybody...
  15. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all.. Quick video on the free play in the steering. I've had the car jacked up, had a good play with the rack, it doesn't have any free play. (Pushing the wheels out away from each other at the same time then pulling in, again together) Recently replaced. 2x Sachs shocks 2x anti roll...
  16. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all i Need some advice, bmw 2003 316ti n42 engine, knock sensor readings on 1-3 cylinder around 2.7 but on cylinder 4 its 476 ish on idle, any help appreciated, thanks
  17. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all, Got a weird one... Since I bought my 2012 F10 it's had a weird creaking noise coming from the dash board. It's not as if something is loose and knocking, it's literally the distinct sound of creaking plastic... that's the best way I can describe it. When driving along you can hear...
  18. General BMW Discussions
    Hello All, As title states... The E92 lci 2011 is developing a knock when driving over rough road surface. Been like this since last service when technician noted it but could not find fault. Was told take it back when it developed. It has so when in for service today, same carry on. This time...
  19. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi , I've a 316ti and have a knocking / tapping noise when hot ,it's coming from the rear of the engine around the inlet can area Has anyone had a problem with the inlet cams or valves ,or could it be the vanos unit ? All help appreciated Removed cam cover and found broken spring for the...
  20. BMW 3 Series Forum - Technical Talk on the BMW E21
    PROBLEM SOLVED. Mods feel free to delete. :)
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