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BMW 3-Series Transmission Questions

31 messages,  Last post on Nov 29, 2007 at 11:42 AM

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#29 of 31 Re: Transmission type in 1999 328ic [fixitrod] by roadburner Nov 29, 2007 (9:49 am)
Replying to: fixitrod (Nov 29, 2007 2:58 am) 1. Don't know if I got a bad set of front rotors or is something amiss in the front end. Any thoughts appreciated.   What's the problem? A vibration when braking? If so, it could be lower control arm bushings.   2. Is this transmission a GM Getrag or GM GM because I want to service it.   Well, there's no such thing as a GM Getrag; Modern BMW slushboxes are either built by GM or ZF. Your car has the GM A4S 270R, and it takes Dexron III ATF. My wife had a 528i with the same box and my local BMW dealer changed the fluid in it AND the final drive for $110.   3. Which service reset tool is adequate. No service lights or indicators as of yet?   I use the Peake Research R5/FCX-II. It works great, and only costs $149. Replies to this message: fixitrod (Nov 29, 2007 10:33 am) roadburner (Nov 29, 2007 11:42 am)
#30 of 31 Re: Transmission type in 1999 328ic [roadburner] by fixitrod Nov 29, 2007 (10:33 am)
Replying to: roadburner (Nov 29, 2007 9:49 am) Thanks for the speedy reply. Good question about the vibration. It does not occur when braking but it is just riding at low speed as we are leaving the neighborhood. Its not my daily driver so I'll check further on this. I'll inspect the bushings as well. I am familiar with visual and checking for play at the bushing; are there other indicators?    I may have misspelled this name for the tranny company as I read in another post that GM (may have been Ford) bought this German company that makes or made transmissions for the BMW. $110 seems like a good deal on a service, however I wouldn't have any fun. Secondly if I let my wife take this car into a dealership she assumes I have gotten in over my head and I would have to put gaurd dogs on our checkbook because she'll spend $1k if I suggest she take it in. Replies to this message: roadburner (Nov 29, 2007 11:42 am)
#31 of 31 Re: Transmission type in 1999 328ic [fixitrod] by roadburner Nov 29, 2007 (11:42 am)
Replying to: fixitrod (Nov 29, 2007 10:33 am) hIt does not occur when braking but it is just riding at low speed as we are leaving the neighborhood.   Wheel bearing, perhaps. The driveshaft fas a rubber coupling at the transmission as well as a center bearing.They should still be good on your car, but it is something else to check.   I am familiar with visual and checking for play at the bushing; are there other indicators?   Nope, that's pretty much it.   $110 seems like a good deal on a service, however I wouldn't have any fun.   I perform the minor maintenance and repairs on my cars and bike, but it's worth $110 to not have to deal with an ATF change. I assume that you know that there is no dipstick and that the fluid must be checked through the fill plug at the proper temperature. In any case, the gory details can be found here and here. BMW now calls for a ATF change at 100K, but I think that you are smart for changing it before then. If you are going to tackle the final drive I'd use a good synthetic 75W-90 gear oil. I have used Mobil 1, Red Line, Royal Purple, and Valvoline Synpower- and all have worked fine.

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