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  1. Loss of boost on 335d

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    I took my 335d to the remapper today and on the dyno he said my small turbo isn't boosting, it only boosts when it hits around 3000 revs, I've been reading a few posts and they say it could be a turno preassure solenoid valve is this correct ?
  2. Engine power loss after dead battery? Help appreciated

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi Folks, Strange thing happened tonight. Came out to find a dead battery on my E90 (320D, 2005 model) I got a jump from the neighbor, car started up more or less fine. Drove to work and the entire drive in i seemed to be missing what feels like around 60hp from the engine. It feels like the...
  3. 320d random power loss and

    Technical Guides for the E46
    Hi Guys, New to this site so forgive me if this has been covered, I would appreciate a point in the right direction if it has been covered. 320d E46. 2005. 129000 miles. Car is serviced once a year and and in decent condition. Recently my car has been acting oddly. The engine...
  4. 2003 320d - loss of power, bouncing 2k rpm, new clutch and fly wheel

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hello all, Let me apologies if this has been posted before but I’m out of idea’s what can be done. I have recently had my clutch, dual mass flywheel replaced and also a major service done all at the same time. When I got the car back it wasn’t running quite right but I thought it would be...
  5. E91 loss of power

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Morning All New here and to BMW so apologies if I am in the wrong place. I have had my 2005 E91 (320d tourer) for just over a year, it has 130k on the clock. Last weekend I had a loss of power (down to about 50mph) going up a local hill here in Devon I pulled over and shut down the car, had a...
  6. F30 318d - 2013 brief loss of power

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hey, I have quite strange problem, maybe someone heard or has some clues of where to start with this. I have BMW F30 318D - model from 2012. I noticed that when driving in following conditions: - low rpm - 1500-1700 - 6th gear - slightly uphill Car experiences brief (fraction of the second)...
  7. BMW 318D 2014 loss of power and won't start

    General BMW Discussions
    Hello, I was wondering if someone can assist. My 2014 BMW 318D lost power on the motorway driving at 70mph and cut out. The car doesn't start and it had to be rescued. It cranks longer but doesn't fire up. This is the first it happened and its an excellent car only covered 66k miles. Thank...
  8. loss of power

    BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Hi Everyone, we own a Bmw 1 series 2008 coupe.. we have had a loss of power which we thought one of the turbos had gone so we bought a used turbo after being told that was the likely cause! however a garage told us that it was actually caused by a split pipe that was leaking diesel! (back of the...
  9. E90 320d whining noise and loss of power... Won't go above 70

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi... Hoping to get some advice before taking anything apart, I have a very obvious whining noise on my 320d it is directly linked to engine revs and video linked below... It will not give me any real power and won't clear 70. Initially I assumed turbo but on ding some reading lots of people...
  10. 2000 E38 728i - Loss of power and misfire

    BMW 7 Series - Tech Talk For All Gen Of 7 Series
    Hi all My 2000 728i with 120k miles on the clock has this issue where it can on occasion have a terrible misfire when starting - causing EML light to come on. If you turn the car off and back on the EML goes out and misfire disappears. Car feels sluggish generally but occasionally it is...
  11. Coolant loss

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    2007 E90 , 320 petrol auto, keeps loosing coolant. There is no visible leaks/damp patches, even when pressure tested. No smoking exhaust or coolant in the oil so not the head gasket. No oil in the coolant. Please can anyone give me some ideas as to the cause. Thanks.
  12. X6 M (E71) : Power loss

    General BMW Discussions
    Hi everybody, For 3 years now, my X6M 2011 (555hp), have many motors defaults, more precisely “power loss” which are very common. I live in France, in Le Mans, and I’m French. So, I went to BMW of Le Mans for many times. They changed many mechanical parts without find the breakdowns...
  13. Phantom Power Loss

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Afternoon all, my E46 316i suffered a power cut whilst coming down a motorway junction the other day. In the few seconds beforehand my girlfriend and I heard a crackling/popping sound coming from what felt like being just below the radio before she gave out. The roadside assistance chap of a...
  14. 2000 728i loss of sat nav

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi my BMW has been off the road for about 4 months but now its back I have no GPS Navigation on monitor & will not play CDs. Fuses have been checked & wiring in boot near CD changer. Any ideas? geoff15
  15. 2002 330d Loss of power and rough cold start

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, I have just started to experience a loss of power in my 2002 330d. The last couple of times I have been out in it I have noticed reduced power with foot to the the floor. I am also getting quite a lot of smoke out of the back above around 2500rpm with foot to the floor. The power now feels...
  16. Power Loss

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all, I have a remapped and dpf deleted 530d e61. Car drives fine until I hit about 3 to 3.5rpm in mainly 4th gear and then hardly any power in 5th gear, then I get power loss almost as If in a semi limp mode in all gears. After restarting car is fine as long as I don't boot it in 4th onwards...
  17. E46 320D 04 Intermittent power loss

    BMW 3 Series Forum - Technical Talk on the BMW E46
    I bought my 320d a few weeks back now with the knowledge that it had a boost issue and a few other little niggles that’s needed sorting. The syptoms i am getting seem to vary every time I drive it. Mainly in first gear WOT I rarely get boost, and if I do it kicks in around 2200rpm. When I...
  18. BMW E90 320D Power Loss Turbo not working

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello It started off as I was parked on high curb when i drove slowly it hit under my car, after that my turbo stopped working, when mechanica plugged in his computer it showed faults on ECU turbo was checked and mechanic said it seems in working order, I have send my ecu to check it was beyond...
  19. BMW E46 328i LOSS OF POWER

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey guys, I've been having a lot of trouble getting my car to run correctly with headers. Recently had a flash done by epic motorsports. Cleared all adaptions and followed the drive cycle directions carefully to ensure new adaptions. Fixed the rough starts and idle but still no difference in...
  20. E46 320d Boost loss

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hello everyone, I'm new on the forum. My car's problem has forced me to register on every single BMW forum out there. So back to the point. I have a 2003 320d m47n 110kw. last May I had to replace the engine and the turbo(they died). Engine is the same with 110k miles on it. Since then my car...
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