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Old 09-23-2018, 10:13 PM
Join Date: Jun 2014
Location: Omaha, NE
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cn90 is on a distinguished road
Transfer Case Plastic Gear: re-use vs ebay $10


This is an old topic on E83 X3, E53 X5 etc.

My 2004 X3 "4x4 light" is on...

1. When the transfer case plastic gear goes out, some people simply re-use the factory gear by flipping it around 180 degrees, so the part that never worked is now in the working section.

2. Some buy the plastic gear on ebay for $10.

Money is not an issue for me, I am just curious anyone here has done option #1 and how long ago did you fo it? Does it work well?
1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
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Old 09-25-2018, 11:15 AM
Ricky Bobby's Avatar
Join Date: Dec 2011
Location: Wake Forest, NC
Posts: 9,332
Ricky Bobby will become famous soon enough
The E83 forum tends to be dead - I would bump an old thread in E53 forum - IIRC, user SlickGT1, flipped his gear and ran it for 40k+ miles or so and never did it again

If it was me I'd just get a new gear if I was going to open it up anyway, for the $12
2003 X5 3.0i 5-Speed - Born on 9/18/2003
105k miles -Topaz Blue/Schwarz/Titan Int. Trim/EHCII/Sport
Proud 3-Pedal owner, UUC SS/AFE/4.8iS Exhaust/Sharked
2013 X5 35D (CEO's) - Born on 5/17/2013 -
68k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards

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Old 09-25-2018, 12:46 PM
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Location: Switzerland
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What does your code reader tell you in terms of the specific failure? CarlySoft makes a great tool, easy to use and quite affordable.
2002 Euro X5 (E53) 3.0 diesel (M57)
5 speed manual with UUC short shifter.
Pre-xDrive NV125 transfer case (chain & gears).
Factory Xenon headlights, Spyder LED tail lights
Updated vortex crankcase breather.
Motorsport dead pedal, factory fire extinguisher, factory first aid kit, factory F&R mud flaps, factory PDC

Bilstein B6 shocks F&R
Redline oil has replaced "lifetime" fluids (F&R diff, manual transmission, transfer case and P/S).
Dimple magnetic drain plugs in all compartments.
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Old 01-08-2019, 12:24 AM
Join Date: Dec 2013
Location: Canada
Posts: 17
dopey88 is on a distinguished road
just did the one in the wifes e83 spend the $12 since money is not an issue
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Old 09-01-2019, 10:04 PM
Join Date: Aug 2019
Location: California
Posts: 4
Ltomfohr is on a distinguished road
Did OP end up trying this out? I'm assuming it works? Considering doing the same for mine, but also thinking of just purchasing new plastic gear (maybe one day throwing money at a brass one if problems persist...)
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Old 09-02-2019, 04:57 PM
Join Date: Jan 2018
Location: Anaheim, CA
Posts: 12
CoolShirtDude is on a distinguished road
Do some more research, back when I had my E83, most people replaced the gear. For the cost is is easier to have the part on hand.

You should rethink about using the brass gear, the plastic gear is most likely an engineered failure point.
2011 BMW X3 28i (F25)
2015 BMW 328i (F30)
2007 BMW X3 3.0SI (E83) (Totaled)
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Old 01-05-2020, 07:19 PM
Join Date: Jan 2020
Location: GB
Posts: 24
getty150 is on a distinguished road
I've done it and it works!

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