BMW M5 Forum and M6 Forums banner

mafs

  1. E39 M5 rpm's hanging

    Feedback / Discussion about www.bmwm5.com and the
    Hello Fellow M5 owners! I've been having a problem with my rpm's going up every time I put the clutch in. Its very annoying and I have to shift slower because I have to let the RPM's go up and then come down to the appropriate RPM's for that specific gear. My cruise control also isn't engaging...
  2. Driveability issues. Lack of power. Possibly lean condition.

    E39 M5 and E52 Z8 Discussion
    Hello Everybody, since May i finally became an owner of so-long-dreamed-about m5. Unfortunately car wasn't in perfect condition which i assume isn't a surprise given it's age (my 1999) and it's mileage (292KM). Ever since purchase i cannot bring that car to the BEAST state which i imagine it...
  3. Mass Air Flow Sensors

    E39 M5 and E52 Z8 Discussion
    The beast went suddenly into limp mode last weekend (throttling up in 4th gear at about 80 mph) and I thought something really broke...got it home, read up on limp mode and after reading a few posts, appears likely culprit is the MAFS's. no codes thrown however... MAF in my car is Bosch MASS AIR...
  4. Feedback on K&N Air Filters...bad for MAFS?

    E39 M5 and E52 Z8 Discussion
    Is it true that the oil on the K&N Air filters screw up the MAFS on the E39 M5?
  5. Maf problems

    E39 M5 and E52 Z8 Discussion
    Hey guys wanted to see if anyone had any advice concerning the MAFS, heres my story in a nutshell, car had a problem where occasionally when driving full power the car would go into limp mode, had it checked and ordered 2 mafs (that i am guessing were not orignial), it solved the problem but i...
  6. Powerloss... HELP!

    E39 M5 and E52 Z8 Discussion
    Hey guys. I've been having some bad powerless in the low rpm range up until around 4000 rpm and the SES light is on. I thought it was the MAF sensors so I changed both..still no difference. When I went to get the car registered, there was 4 codes that showed up. P0012, P0128, P0171, and P0345...
  7. 120k miles .. maintenance items ...

    E39 M5 and E52 Z8 Discussion
    Can you guys post parts that you recommend should be taken care by now with 120k miles on the odo? I'm planning to drop off my car to a BMW tech buddy to have him have a lookie of the car, but wanted to give him a list of items to check or just go ahead and replace.
Top