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  1. E60 / E61 (2004 - 2010)
    Hello Guys, I have a 2007 6 speed manual 525i E60 N52 with 69k miles. Starts fine, then a rough idle surges up to around 12-1500 rpms then it slowly settles.. after it settles it almost stalls but "bounces off of 500 rpms up to around 7-800 over and over.. weird part is at this point when I...
  2. F10 / F11 (2011 - 2016)
    Hi all !! When I hooked my scanner to diagnose no crank no start issue of this bmw 5 series f10 (f07), I did not have communication with ECU ( DMA) of the car! I’ve thought it might be the ECU and need to be replaced! The thing is that always need to check the fuses first before attempt to leave...
  3. E46 (1999 - 2006)
    Hello, I have a BMW 320i with the M54B22 engine with a manual transmission and it is my first ever project car. It has been running perfect ever since I got it and started every time without any issues. Until recently and now it won't start at all. I'll write my issue as detailed as possible and...
  4. X5 E70 (2007 - 2013)
    Hello, Wanted to see if anyone had any suggestions for me Two months ago my car wouldn't release my key fob & I found some that was able to repair it. When I got it back the car would start but not crank. The person that fixed it had me order the cable & INPA software so they would be able to...
  5. E36 (1991 - 1999)
    My 1996 318i e36 is getting no power to fuel pump. Replaced the crank sensor and got power to pump but still didn't start so replaced the fuel pump and wouldn't get power to pump again. No power through fuse either. relay is working.
  6. 3 Series & 4 Series
    Last 7 of VIN: FZ37678 328Xi Sport Wagon, 2008 I believe e92 Automatic transmission Looking for any relevant information, PIBs, wiring diagrams, common causes, AMA! I'm going to try to keep this thread nice and clean for anyone who might have the same problem in the future. Throw in your two...
  7. E36 (1991 - 1999)
    It was raining all week. Among the flooding inside of the car, I found that the car was having difficulty starting. I could tell there was an issue with the electrical system as it would take longer than usual for the dash lights to come on. I drove the car a couple of times without thinking...
  8. E82 / E87 / E88 / F20 1 Series (2008 - 2014)
    Hi all, new member here. I've used Bimmerfest many times but never posted. I've posted my build threads etc on our local forum (Bimmersport) but for this issue i need some extra expertise. A bit of history on the car. The car was great. 160,000kms. Well serviced at BMW and another mechanics...
  9. 7 Series - E38 (1995 - 2001)
    when I received my E38 project in Nov the 2020 dealer installed battery was dead. Likely was for over a month. I put a charge on it and it started the car, but wouldn’t hold a charge. Kept a charger on it. Here comes the 100F+ weather and battery is dead even with a charger. I buy a new battery...
  10. E30 (1982 - 1993)
    So I've tried for many hours and I'm stumped, I have a 1991 bmw 318 and I swapped in a m50. I'm trying to get it started and no luck, i have no fuel. Fuel pump works when hard wired to battery but still no start. Engine will fire with starting fluid. Icv doesn't hum. I've checked the relays and...
  11. 7 Series - F01 / F02 / F03 / F04 (2008 - 2015)
    I have an 2011 750i Xdrive I was driving from work tonight and I got a transmission malfunction message, the car shut off and I saw smoke. After pulling over I popped the hood the smoke had stopped but there was a wire burning smell coming from behind the passenger headlight, I thought I fried...
  12. BMW Coding and Programming
    Hi. I have 2017 BMW G30. Came in with faulty BDC New unit sourced from dealer, installed and programmed. Control unit tree is all green with no fault codes apart from HU-H. This has one fault code B7F87A - HUH: Theft-proofing mode active would this cause a no crank no start? Any help...
  13. E90/E91/E92/E93 (2006 - 2013)
    I really need help. Just purchased it in January 2021. Please follow what's happened. I replaced the leaking VC gasket because 2 bolts were broken. I had disconnected the negative battery cable first. In the process of removing the VC, I managed to break the oil vent hose, which then caused me...
  14. E90/E91/E92/E93 (2006 - 2013)
    Hi, my car will not go into ignition anymore after an error whilst programming injectors through a wifi dongle connected to the OBD port. I first tried programming the injectors with a cable in ISTA but the car would not maintain a stable connection to the laptop (maybe due to not enough...
  15. X5 E70 (2007 - 2013)
    I have code 2a99 and 2a98, the car won’t start. After starting the car and running very roughly on idle for 5 minutes (from 300 to 1000 rpm, it would erratically change up and down 200 rpm+ - every second), I turned off the engine and couldn’t start it again, after checking the...
  16. E36 (1991 - 1999)
    My bmw 316i e36 does not start after the car was left sitting indoors for 2 weeks. There is power to the dash indicator lights, the temperature gauge, the windows, the AC. No power to the radio, and when I turn the key I hear a strong clicking noise. The battery is in good health, has around...
  17. E90/E91/E92/E93 (2006 - 2013)
    Posting this as more of a How-To. Problem: I had an issue with my E90 initially not cranking at all: . I tried swapping batteries, checked fuses, checked various earths and checked the starter motor cables but couldn't even hear the starter motor engaging. I bit the bullet and purchased a...
  18. E46 (1999 - 2006)
    Hi, this is my first post. This group has been very helpful, but I don't find a lot of info about this, so maybe somebody can help me out. The thing is, that I have an intermitten non starting issue, more like a sometimes starting issue. I've checked my fuses, relays, dme relay, e-box fuses and...
  19. E60 / E61 (2004 - 2010)
    Hi Guys, please bare with me... Been Browsing this Forum for awhile, however this is my first post. I'm from South Africa, and recently got an E60 545i. Car ran well for a week and after a short trip refused to start (started and stalled immediately), DME was found to have water damage. Dme was...
  20. E90/E91/E92/E93 (2006 - 2013)
    Hello! I purchased this car locally about three months ago. The previous owner told me I would need to install a HPFP in the future. I planned on doing that next week but this happened. The car was running great, no issues. Although, I did have a service engine light come on the night before...
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