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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 10-21-2011, 07:43 AM   #1
chaso
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Maintenance/Modifications

Hey all,

I'm about to dump $2k into my car on various parts and upgrades included but not limited to the following: all belts, diff bushings, water pump/thermostat, clutch/flywheel, coilovers (HR or KW), and a set of wheels.

I just wanted to know if anyone thought of anything else that should be addressed. I have all new fluids, cooling system, and front axles.

Thanks.




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Old 10-21-2011, 08:53 AM   #2
SamDoe1
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Better buy some more front axles to go along with the coilovers...

Also, change the fuel filter out and get the FCABs and the sway bar end links changed while you're in there.
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Old 10-21-2011, 09:13 AM   #3
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Originally Posted by SamDoe1 View Post
Better buy some more front axles to go along with the coilovers...

Also, change the fuel filter out and get the FCABs and the sway bar end links changed while you're in there.
he listed he has new ones already


Id make sure your control arms are in good shape. if you are going to change the belts, tsat, might look into the oil filter housing gasket as well as thats known to leak.
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Old 10-21-2011, 09:25 AM   #4
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he listed he has new ones already
I know, I said that because he's getting coilovers...
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Old 10-21-2011, 09:38 AM   #5
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haha. dont scare him! its okay to go low (even if you become a snowplow like me in the winter). Im still on original axles, only one ripped boot since i owned the car and that was before going low.
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Old 10-21-2011, 09:46 AM   #6
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word, Im on V1's and its treating my axles fine so far. I repacked all four front CV joints after a thorough inspection of the ball bearings and pieces, and all looked good. Been holding up without a leak for some time now. Um, but pretty sure if you are planning on getting KWs (~1600) then you should push up your 2k limit lol.
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Old 10-21-2011, 09:59 AM   #7
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O2 sensors, plugs, fuel filter.
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Old 10-21-2011, 12:30 PM   #8
chaso
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Originally Posted by SamDoe1 View Post
Better buy some more front axles to go along with the coilovers...

Also, change the fuel filter out and get the FCABs and the sway bar end links changed while you're in there.
What brands do you recommend for FCABs and sway bar end links?

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Originally Posted by wdeerfield View Post
he listed he has new ones already


Id make sure your control arms are in good shape. if you are going to change the belts, tsat, might look into the oil filter housing gasket as well as thats known to leak.
Forgot about the control arms! No leaks that I know of, but I do burn some oil. Maybe that's the culprit?

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Originally Posted by TR4G- View Post
word, Im on V1's and its treating my axles fine so far. I repacked all four front CV joints after a thorough inspection of the ball bearings and pieces, and all looked good. Been holding up without a leak for some time now. Um, but pretty sure if you are planning on getting KWs (~1600) then you should push up your 2k limit lol.
Yeah I'm leaning towards the FKs or HR as my list grows. I'm going to see if I can find some info./reviews on FKs.

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O2 sensors, plugs, fuel filter.
Check, check, check.


Thanks everyone.
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Old 10-21-2011, 01:00 PM   #9
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Have you addressed all the bushings yet? You might want to consider those as well when doing coilovers.
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Old 10-21-2011, 01:54 PM   #10
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Bushings, sway bar endlinks, fcabs, all the strut mounts. Id definitely check your oil filter housing gasket, mine is currently leaking. And while you are changing that put on new pulleys and belts. Change plugs and filters, easy fixes that will make a difference.
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Old 10-21-2011, 02:10 PM   #11
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Make sure to check all rubber parts while you're in there... I'm in the middle of a teardown on mine to replace the subframe bushings, so here's my firsthand experience suggestions:

Guibo - Mine looked fine upon visual inspection, but once I started poking it, found it was cracked all over and starting to dry-rot
Check transmission and engine mounts - The center metal chunk of the transmission mount literally fell out of the bushing when I pulled the aluminum bracket off
Subframe bushings - Once I got the subframe out, definitely glad I'm doing this as they are all visibly deteriorated / coming apart

These are just the things I've noticed so far, there may be more... back to the garage now.
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Old 10-21-2011, 03:05 PM   #12
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why are you changing? what's wrong with the ones in there? sometimes i feel like i'm the only bimmer owner that doesn't have thousands of money to throw into my car whenever i feel like it. it's not like i'm a high school or college student. i have a graduate degree and make good money. wtf?
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Old 10-21-2011, 05:51 PM   #13
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^ second that. I only do the basic maintenance like oil changes, tire rotations etc.. Only when i do big jobs like brake changes etc.. will i address issues tied to those.
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Old 10-21-2011, 06:57 PM   #14
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how about the vanos seals, DISA VALVE and check the Idle control valve
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Old 10-21-2011, 07:13 PM   #15
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^ second that. I only do the basic maintenance like oil changes, tire rotations etc.. Only when i do big jobs like brake changes etc.. will i address issues tied to those.
don't get me wrong.. there is nothing with changing out pretty old/broken parts. but wouldn't you think the guys at bmw, you know, the german engineers knows what's better for your car than the random dudes on e46?

idk, maybe it's just me.

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Old 10-21-2011, 07:21 PM   #16
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How many miles? If your doing plugs I would also do your VCG.
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Old 10-22-2011, 10:21 AM   #17
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How many miles? If your doing plugs I would also do your VCG.
Yes, I have a high mileage BMW now and it's just not practical to throw money's into "mods" when the basic maintenance items haven't Been addressed. 157k bout to replace the ICV, VANOS seals, sparks, and VCG. I'm excited to feel this baby rev again!
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Old 10-23-2011, 09:04 AM   #18
chaso
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how about the vanos seals, DISA VALVE and check the Idle control valve
VANOS seals a DIY job? Also, I'm unfamiliar with DISA VALVE and the idle control valve. Are they prone to failures?

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How many miles? If your doing plugs I would also do your VCG.
112,400 miles. Plugs of course. VCG?

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Originally Posted by TR4G- View Post
Yes, I have a high mileage BMW now and it's just not practical to throw money's into "mods" when the basic maintenance items haven't Been addressed. 157k bout to replace the ICV, VANOS seals, sparks, and VCG. I'm excited to feel this baby rev again!
I plan to do all this maintenance before addressing anything that I'm actually interested in.
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Old 10-23-2011, 09:07 AM   #19
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My disa brokel the other day, im glad the pieces didn't get sucked into my motor. You need to check it just to be safe

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Old 10-24-2011, 01:15 PM   #20
chaso
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Just pulled the trigger on some coils

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My disa brokel the other day, im glad the pieces didn't get sucked into my motor. You need to check it just to be safe

Bimmer App - Because it's faster than my computer.
I just saw a video on YouTube of how to check the DISA. I'll do that soon. Was yours rattling?
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