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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-23-2010, 11:54 AM   #1
Crazy8
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My Ride: 2005 330 Cic
6-speed Issues

On my '05 330ci shifting engagement is notchy shifting into gear, almost like things aren't exactly sync'ed up. The car only has 35k miles and up until several weeks ago shifted very smooth. Suggestions? Change gear oil? Better gear oil? Thanks.
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Old 06-12-2010, 03:16 AM   #2
phil23
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hello, just signed on here and it would appear we have the same issue. My current thought is that it's the gear selector linkage bushings. I am thinking about replacing the selector with UUC's double shear selector.
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Old 06-12-2010, 07:29 AM   #3
bigjae1976
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I used Royal Purple Syncromax and it seems to work pretty well. I'm sure there is better but can run to Auto Zone to get another if I ever spill a bottle on my garage floor...unlike Redline. I change my gearbox oil 1x a year and gear engagement is always great.

I do have the UUC SSK and DSSR which REALLY tightens it up. Some won't like it since it will be a little notchy.

I use the redline ATF/75W140 mix since I've upgraded to the UUC flywheel and clutch
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Old 06-12-2010, 08:18 AM   #4
TxZHP04
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Quote:
Originally Posted by Crazy8 View Post
On my '05 330ci shifting engagement is notchy shifting into gear, almost like things aren't exactly sync'ed up. The car only has 35k miles and up until several weeks ago shifted very smooth. Suggestions? Change gear oil? Better gear oil? Thanks.
35k is right about where my stock fill gave up too. Fresh oil should cure this problem. With Royal Purple, I've noticed I need to change about every 10k but it is more readily available than the OE fluid.
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04 IR 330i ZHP | ESS TS2+ SC | MagnaFlow "headers" | KMS 3.64 LSD | AST 4100 550/650| APEX ARC-8 18x9 | H&R front sway bar | Vorshlag camber plates, RTAB limiters | TMS subframe & swaybar reinforcements | UUC SSK & DSSR | UUC TM & TME | BW motor mounts | Dinan strut & shock tower bars | vaio 4-bolt oil pump
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