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      03-07-2015, 06:09 PM   #1
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How to drop 335i Auto Transmission

Has anyone done this ? How do you get to the bolts on top?

Drive shaft is off, trans mounts are off , exhaust is off , motor mount bolts are removed so we can try to tilt the engine a bit to give us more room , we can literally move the trans up and down but there isn't enough space to remove the top bolts. How do you get to those ?

WedgePerformance ,
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      03-07-2015, 06:31 PM   #2
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Originally Posted by E92Carlos View Post
Has anyone done this ? How do you get to the bolts on top?

Drive shaft is off, trans mounts are off , exhaust is off , motor mount bolts are removed so we can try to tilt the engine a bit to give us more room , we can literally move the trans up and down but there isn't enough space to remove the top bolts. How do you get to those ?

WedgePerformance ,
I removed my engine last week to do some maintence. To get to the bolts near the starter you have to remove the intake manifold. All the other bolts cane be removed with long extentions. I may post a diy.Why are you removing the transmission?
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      03-07-2015, 06:33 PM   #3
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Originally Posted by TheeGovernor View Post
I removed my engine last week to do some maintence. To get to the bolts near the starter you have to remove the intake manifold. All the other bolts cane be removed with long extentions. I may post a diy.Why are you removing the transmission?
It is slipping so i am swapping it out for another one. Did you having to snap any pics for reference ?
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      03-07-2015, 11:54 PM   #4
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Originally Posted by TheeGovernor View Post
I removed my engine last week to do some maintence. To get to the bolts near the starter you have to remove the intake manifold. All the other bolts cane be removed with long extentions. I may post a diy.Why are you removing the transmission?
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      03-08-2015, 09:03 AM   #5
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They can be removed with the manifold on, but it is a PITA.
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      03-08-2015, 10:15 AM   #6
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Thank you gentlemen, just did intake valve blast last week so i guess manifold is coming off again.
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      03-08-2015, 10:49 AM   #7
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Damn how much power are you pushing that made your AT start slipping or is it just old ?
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      03-08-2015, 10:23 PM   #8
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Damn how much power are you pushing that made your AT start slipping or is it just old ?
Just FBO , no meth. Just a bad tranny i guess.
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      03-09-2015, 01:13 AM   #9
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I dont know man. I dropped the motor to do the oil pan gasket, rear main seal, and the front crankshaft seal. Wasnt fun.
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      03-09-2015, 12:39 PM   #10
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I dont know man. I dropped the motor to do the oil pan gasket, rear main seal, and the front crankshaft seal. Wasnt fun.
Yeah, I'm sure it wasn't a walk in the park.
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      03-09-2015, 01:40 PM   #11
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Quote:
Originally Posted by E92Carlos
Quote:
Originally Posted by 924er View Post
Damn how much power are you pushing that made your AT start slipping or is it just old ?
Just FBO , no meth. Just a bad tranny i guess.
That sucks. What year and mileage ?
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      03-09-2015, 04:04 PM   #12
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What are you using for tuning a jb4?
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      03-10-2015, 09:15 PM   #13
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What are you using for tuning a jb4?
Yes jb4.
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      03-10-2015, 09:18 PM   #14
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Ok so i finished the transmission swap. But DS mode isnt working. When i put the car is DS it doesnt change to DS it stays on D, i can shift up and down manually but after a few seconds it goes back to D , even tho the shifter is in the DS position.
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      03-10-2015, 09:27 PM   #15
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Originally Posted by E92Carlos View Post
Ok so i finished the transmission swap. But DS mode isnt working. When i put the car is DS it doesnt change to DS it stays on D, i can shift up and down manually but after a few seconds it goes back to D , even tho the shifter is in the DS position.
Check the wires in the shifter. It is a known issue.
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      03-10-2015, 10:16 PM   #16
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Quote:
Originally Posted by TheeGovernor View Post
Check the wires in the shifter. It is a known issue.
I had the wire issue a few months ago and i put them back together and ds mode worked again but when i had that issue the DS light on the shifter wouldnt light up. Now it does, just no DS mode at all. I checked the wires and they look OK.I havent flashed the transmission yet , so i am going to try that next.
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      03-11-2015, 09:28 AM   #17
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So i did the Alpina flash and all is good now. Transmission swaps in this car are a pain in the ass! But im glad i got it done car is pulling much harder now.

Thank you guys for all your help!
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