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  1. E63 / E64 6 Series (2004 - 2010)
    Hi everyone, my name is Nathan, i'm the current owner of a 2004 sixer with many issues, but I'm really struggling to tackle a vaccum leak. I recently replaced the valve cover gaskets, upper timing cover gaskets, vaccum pump seals and many more... The problem I'm having is due to vaccum leak...
  2. E63 / E64 6 Series (2004 - 2010)
    Hi all! I recently purchased an 05 645ci. On inspection everything seemed fine - checked all the usual suspects, started from cold, had a good long test drive. Gearbox felt smooth. Everything felt good - nothing alarming and the car was into BMW for a health check only a few weeks previous...
  3. 6 Series
    What scan tool should I buy to diagnose electrical issues like stereo only working when it wants to ?
  4. E63 / E64 6 Series (2004 - 2010)
    HI - Just got a new summer toy - 2005 BMW 645ci Convertible - Production May 2005 - and I am having one hell of a time trying to get my iPhone to pair with the car! Nothing in manual, no card in front of owners book - have tried 0000, 1111, 1234, 123456 - looked in trunk for a white sticker...
  5. E63 / E64 6 Series (2004 - 2010)
    Hello, Finnaly signed up here! :) My battery went bad last weekend, and now my steering wheel is not straight.:( I had to steer without the active steering and when I got some help to start the car the wheel wasnt straight. I have got a new battery and done the following: -Check fluid levels...
  6. E63 / E64 6 Series (2004 - 2010)
    My 2005 645ci has an oil leak, its pretty slow and seems to only leaks when the car is off. I have to top up the oil at least once per week. Car has 141,000 miles. I first noticed it when I hadn't driven it for about a month, I topped it up and took it on the road. drives fine and smooth. I...
  7. E63 / E64 6 Series (2004 - 2010)
    I have been a long-time lurker of these forums since I purchased my 2004 645ci convertible a little over 2 years ago. I haven't posted any questions, as all questions I had have been asked and ultimately resolved by the community. My main problem has been the dreaded valve stem seal issue that...
  8. E63 / E64 6 Series (2004 - 2010)
    Hey guys, I just did something crazy and potentially stupid, I bought a reconstructed title, 2005 645ci manual transmission a few hours ago. Generally I would never buy a salvage title, but this thing is mean, too mean to let slip away, the mileage is fairly low at 80k. For the price I couldnt...
  9. General BMW Questions
    Hi, I've got an 04 645ci w/smg that has a lot of electrical problems. -Electrical things seem to be failing one after another in almost sequential order and I can't really examine this stuff, and if I get it into a shop to repair something (like the direct steering), then I get taxed more...
  10. E63 / E64 6 Series (2004 - 2010)
    Hi all. Looks like I will be spending some time in the forum after acquiring a 645ci in part exchange and fallen in love with it. I have a window hall sensor playing up so roof won’t go down. Had 2 scanners on to confirm. I am informed I need to replace the sensor which is a full day. Anyone...
  11. E63 / E64 6 Series (2004 - 2010)
    Hello, Sorry for my english, I have a little problem with my BMW 645 Ci Automatic gearbox of 2004. When I try to run the engin I just hear one click and nothing happen after and all electronics works well like every normal time and I have no unusual lights or check messages on my dashboard...
  12. E63 / E64 6 Series (2004 - 2010)
    I have a loaded 2004 645ci convertible w/SMG & the headlights that turn with the direction you're headed. The headlights spontaneously and simultaneously stopped working. I get an error light on the dash when I try to turn them on. They don't work. Running lights work fine/side...
  13. E63 / E64 6 Series (2004 - 2010)
    How much is a 2004 645ci Vert Black on Black with black interior, 90,000 miles worth right now?:thumbup:
  14. E63 / E64 6 Series (2004 - 2010)
    Hi, I drive an 04 645ci convertible, 100k miles, SMG trans. It***8217;s at the trans shop because the transmission failed. All the symptoms point to hydraulic pump problems. The shop has done an analysis and at this point has noticed that the relay which activates the pump is not receiving...
  15. E63 / E64 6 Series (2004 - 2010)
    2005 645Ci Check Engine light is on with a iDrive notification for increased emissions. Used a Bosch OBDO reader and the code that popped was P0300 - Random/Multiple Cylinder Misfire Detected. Confirmed Fixes that show up for that code are: - Replaced Crankcase Pressure Regulating Valve...
  16. E63 / E64 6 Series (2004 - 2010)
    Good Afternoon everyone! So, I've ran into a bit of an issue with my '05 645Ci that I am hoping someone here will have the knowledge to assist me. For some reason my radiator fan is not wanting to come on. I spoke with a BMW mechanic and he told me that he was 99% sure it was the water pump...
  17. E63 / E64 6 Series (2004 - 2010)
    Hi all, my 2005 645ci belly pan is missing. Does anyone have the part number for this piece? Thanks
  18. E63 / E64 6 Series (2004 - 2010)
    Hello, I recently moved to a new state and do not have a mechanic. I have a 2005 645ci. I have no sound at all. No radio, door chimes, sensor sounds etc. I also show a SOS malfunction error with a slash through it. A while back my radio was playing and the volume was very low despite...
  19. E63 / E64 6 Series (2004 - 2010)
    hey hows everyone doing! I wanted to ask all the 645ci owners or people with some experience here if im able to afford a 2005 645ci I found one from a local dealership 2005 bmw 645ci with 95k miles at a price of 14,600$ i currently got 8500 im planning to finance it and putting down a 5,000...
  20. E63 / E64 6 Series (2004 - 2010)
    I made the mistake of placing in cheap gas and shortly afterwards the lights came on stating increased emissions. Replace it with better gas and a octane booster but light is still on. Not sure what else to do? Also what should the oil temperature be?
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