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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 08-12-2019, 09:37 AM   #1
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Join Date: Dec 2018
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Changed fluid & filter on auto gearbox, comments...

After purchasing our "xi", I knew all the fluids would need changing, or assessment at a minimum. Tackled the trans service this weekend (along wt the diffs). Got the car up on the lift early in the morning. Unlike the 986, the regular 10mm bolts around the pan are quite easy to deal with. Our car had the pull down filter, which came off easy enough. The o-rings stuck up in the trans though, but came out. Thankfully, the fluid and inside the pan(and magnet) did not look too bad. The kit from BMW has everything you would need, even a new magnet for the pan. Got out a little over 5 liters. Used BMW's factory fluid and a pump from the local auto store. I'll do another fluid drain and refill at the next oil service just to make sure I've cleaned up the fluid. Used the Bentley Manual for torque specs. For the pan bolts at 10Nm, I used a precision instruments, dial type, torque wrench. For the filler/drain plugs, a Sears click type torque wrench. Cleaned out the pan with 3m brake clean, then vacuumed out any dust or lint from the towels after things dried out.
I'd highly recommend, for those with auto gearbox's out there, give them a servicing. The difference afterwards was night and day better. Much smoother, less vibrations, reduced noise, and shifts are what seem to be flawless now.
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