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  1. Please Help, 2003+ with GM 5L40E A5S390R Transmission Issue

    General E46 Forum
    My car has the GM 5L40E A5S390R automatic Transmission, 2004 zhp sedan. I got it at 172,000 miles, DAILY DRIVER in the city so I prefer this car to be an auto, almost free. Me & a couple different professional mechanics noticed the trans did not like going into 1st every cold start, but...
  2. Auto Trans GM 5L40E / A5S360R slips only when cold

    General E46 Forum
    I have a 2000 323ci, 140k miles with the GM transmission. On cold mornings the trans. slips until she warms up. Sometimes selecting 1st gear manually will reduce the slipping enough to get moving easier. A few times I've noticed some additional slipping when the car is not cold but not yet at...
  3. DIY: GM A5S360R/5L40E Transmission Rebuild

    DIY: Do It Yourself
    Part 1 of 6 As I have posted before my son has a uber high mileage 2000 328i that we bought to learn E46s, at 268K miles my son called at 11 at night and said the car had no gears, I had to work early so I told him to call AAA and I would look at it the next day, he had no gears at all vice...
  4. 1999 323i GM 5L40E Transmission Rebuild Help

    General E46 Forum
    Hi, Soon I am going to rebuild my 5L40E transmission in my 1999 323i. Its slipping in 4th gear. My independent tech tested all of my solenoids and pressures and everything points to an overhaul. The car has 202,000 miles on it so its about time anyways. Do i need to remove the valve body in...
  5. A5S-360R vs. A5S-390R (5L40E) Suggestions?

    General E46 Forum
    Hi, I want an E46 coupe, as a paraplegic w/wheelchair must use an automatic & my '86 528e is fading fast. Since many of you have more experience or knowledge with the E46 AT's is there one should I avoid? I can look at fluid color and feel shifts, but is there any way to tell if it might die...
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