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Discussion Starter #1 (Edited)
Thought it would be useful to create a thread cataloging cross-compatible parts. There are many cases where service life and performance are enhanced by supplementing a part designed for another vehicle. Sometimes these improvements are cheaper than OE replacement. If modification is required for a proper fit, this will be noted.

If you know of one of these applications, please add the comment!
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Engine
1. M56 Valve Cover replacing M54
Benefits and install are detailed here:
https://forum.e46fanatics.com/showthread.php?t=1120102
https://forum.e46fanatics.com/showthread.php?t=1066308
FS now:
https://forum.e46fanatics.com/showthread.php?t=1208201

2. LF-30 Power Steering Pump replacing LF-20 (revision made by BMW, superior operation)
AWD Models:
https://www.fcpeuro.com/products/bmw-power-steering-pump-325xi-330xi-32416753274
RWD Models:
https://fcpeuro.com/products/bmw-power-steering-pump-330ci-330i-325ci-325i-32416756582
High-Pressure line must be replaced for upgrade to LF-30 pump:
https://fcpeuro.com/products/bmw-power-steering-pressure-hose-325i-328i-330ci-330i-32416764725

3. S54B32 or M54B30 replacing any E46
I suspect that you can figure this out :)

4. M50 intake manifold replacing any E46 (?)
https://forum.e46fanatics.com/showthread.php?t=1030015

5. E9X alternator pulley replacing any Bosch
https://www.fcpeuro.com/products/bmw-alternator-decoupler-pulley-12317560678-1

6. 1.4 Bar ET Cap replacing any E46
https://fcpeuro.com/products/bmw-engine-coolant-recovery-tank-cap-17117639022
1.2 Bar G.A.S. unit
http://www.germanautosolutions.com/bmw_solutions/cooling_system/12_bar_coolant_cap/product_bmw_12_bar_cap.php

7. Electric Aux Fan replacing any AT E46
https://www.youtube.com/watch?v=MSFS5b56tn4


Transmission
1. Add a third pedal to your life
https://forum.e46fanatics.com/showthread.php?t=659314
https://forum.e46fanatics.com/showpost.php?p=15622438&postcount=322

2. E60 Shift Lever replacing any E36 E46 E39
https://www.fcpeuro.com/products/bmw-manual-trans-shift-lever-e60-25117546373
https://www.diymybmw.com/e46/short-shifter/

3. (Illuminated) E46 ZHP / E46 M3 / F10 M5 shift knob replacing any E46
https://www.diymybmw.com/e46/oem-illuminated-gear-knob-installation/
https://www.fcpeuro.com/products/bmw-illuminated-shift-knob-f10-m5-25112284205
https://www.fcpeuro.com/products/bmw-illuminated-leather-searstick-knob-msport-6gang-25112228742
https://www.fcpeuro.com/products/bmw-6-speed-zhp-shift-knob-genuine-bmw-25117896886
https://www.fcpeuro.com/products/bmw-shifter-m-emblem-25111221613

4. E39 M5 illuminated shift knob replacing any E46
https://www.diymybmw.com/e46/oem-illuminated-gear-knob-installation/
https://www.fcpeuro.com/products/bmw-shift-lever-covering-leather-illuminated-msport-6gang-25112282400
***Longer knob / not weighted as ZHP & F10 units above

5. E46 SMG Paddle Shift replacing any AT E46
https://www.diymybmw.com/e46/build-your-own-paddle-shift-kit/
Similar function can obtained with E39 steering column adjustment stalk (search YouTube)

6. E9x+ (?) Shift Selector replacing any AT E46
https://bimmian.com/updated-look-automatic-shift-knob-for-e46-e60/
installation guide included above (pdf)


Suspension
1. Z4M FCABs replacing any E46 non-Xi
https://fcpeuro.com/products/bmw-suspension-control-arm-bushing-z4-31107836862

2. E36 M3 Shocks replacing any E46
https://fcpeuro.com/products/bmw-shock-absorber-rear-m3-e36-290-816

3. E46 M3 Vert Front Sway Bar replacing any E46
Factory 27mm diameter reduces body roll / improves handling:
https://www.turnermotorsport.com/p-15523-31352229485-genuine-bmw-part/
https://forum.e46fanatics.com/showpost.php?p=18536033&postcount=171
Eibach offers a 30mm diameter swaybar designed for E46 M3 Vert:
https://fcpeuro.com/products/bmw-30mm-adjustable-sway-bar-front-h-r-70414

*Bushings & end-links required

4. Z4M Front Sway Bar replacing any non-M non-Vert E46
https://forum.e46fanatics.com/showpost.php?p=18472433&postcount=1
*Bushings & end-links required

5. E46 Vert rear sway bar replacing any non-M non-Vert E46
https://forum.e46fanatics.com/showpost.php?p=18472433&postcount=1
*Bushings & end-links required

6. Camry/Avalon/ES300 Sealed Spherical RTAB replacing any E46
https://forum.e46fanatics.com/showthread.php?t=1227852


Brakes
1. 330i Brake Calipers, Rotors & Shoes replacing 323/325/328
https://www.argyrides.eu/bmw/mods/330_brake_conv/brakes.htm
https://www.argyrides.eu/bmw/mods/330_rear_brake/rear_brakes.htm

2. E46 M3, E82 135i, Porsche 996 " " replacing any non-M E46
https://forum.e46fanatics.com/showthread.php?t=1108527


Steering
1. E53 X5 E83 X3 Heated Steering Wheel replacing any E46
https://forums.bimmerforums.com/forum/showthread.php?1406748-Pictorial-DIY-BMW-Heated-Steering-Wheel-Retrofitted-onto-an-E46

2. E39 5er Heated Steering Wheel replacing any E46
https://forum.e46fanatics.com/showthread.php?t=272993


Exterior
1. E46 Facelift, M-tech, M3 conversion replacing any E46
https://forum.e46fanatics.com/showpost.php?p=5356096&postcount=19
https://forum.e46fanatics.com/showpost.php?p=6218243&postcount=13

2. E46 M3 side mirrors replacing any E46
https://www.diymybmw.com/e46/m3-oem-mirror-retrofit-diy-for-e46-sedan/

3. Power-folding side mirrors replacing any E46
https://forum.e46fanatics.com/showthread.php?t=900070
https://www.ljcaesar.com/2014/01/bmw-e46-facelift-coupe-power-fold-mirror-retrofit/

4. Xenon projector headlights replacing any E46
https://www.diymybmw.com/e46/converting-halogen-headlights-to-oem-xenon-using-halogen-housings/

5. PDC retrofit replacing any E46
https://www.ecstuning.com/b-genuine-bmw-parts/parking-distance-control-retrofit-kit/66200142026/

6. European "City lights" replacing any E46
https://www.bimmerbrothers.com/e46-m3-city-light-retrofit/

7. Rear wiper replacing any E46/5 (Compact)
https://bmweba.com/eba-01-29-0-140-271/amp/


Interior
1. E36 M3 Vaders replacing any E46

2. E46 M3 seats replacing any E46

3. E9X Homelink Rear-view mirror replacing any E46
https://forum.e46fanatics.com/showthread.php?t=694082
https://www.ecstuning.com/b-genuine-bmw-parts/auto-dimming-rear-view-mirror-retrofit-harness/61120434330/

4. 16:9 Headunit replacing any E46
https://www.diymybmw.com/e46/bmw-169-widescreen-nav-retrofit/

5. Lumbar support replacing any E46
https://www.glaver.org/lumbar/index.shtml
https://forum.e46fanatics.com/showthread.php?p=18539911

6. Powered seats replacing any E46
https://forum.e46fanatics.com/showthread.php?t=348165

7. Heated seats replacing any E46
https://forum.e46fanatics.com/showthread.php?t=341242

8. "Eurotray" replacing any E46
https://fcpeuro.com/BMW-parts/330i/?utf8=✓&year=2005&m=20&e=180&t=6&b=5&d=589&v=&keywords=roller+top
replacing
https://fcpeuro.com/BMW-parts/330i/?utf8=✓&year=2005&m=20&e=180&t=6&b=5&d=589&v=&keywords=cup+holder
&
https://fcpeuro.com/BMW-parts/330i/?utf8=✓&year=2005&m=20&e=180&t=6&b=5&d=589&v=&keywords=coin+tray

9. Auxiliary input replacing any non-navigation E46
https://www.fcpeuro.com/products/bmw-auxiliary-input-retrofit-kit-82110149389

10. Bluetooth replacing any E46
https://www.mwstewart.co.uk/articles/e46btretrofit/
https://forum.e46fanatics.com/showthread.php?t=1250875



Wealth of information here
https://www.argyrides.eu/bmw/

:thumbup:​
 

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The PS pump is only cross compatible with the matching cooling lines to the rack, just a heads up. I like this idea.

To add to your list, the E9x alternator pulley goes onto Bosch alternators. Supposed to decrease chain lash to help with the oil pump issues
 

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2004 325i automagic
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This is obvious, but could also mention upgrading the engine from a B25 to a B30.
Ha :thumbup: Obvious as well would be an auto to 5 speed or even 6 speed swap.

Seriously though, under Suspension how about the upper outer rear control arm ball joint as compatible for use as replacement for the lower outer rear control bushing. I've seen this referenced multiple times on here and want to say its also done on the M cars if I remember correctly (?).
 

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anyone know if the disa valve from a 330 would crossfit a 325xi. For some reason it only cross references to 325ci and 325i.
 

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You can check www.realoem.com , just browse for correct part and click part number.
I have found the correct part number. The question was would a 330 disa fit a 325xi engine. All the parts lists show a 330 disa fitting a 325i and ci but not the 325xi. I was curious what the difference would be as I am in the market for a used disa.
 

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I have found the correct part number. The question was would a 330 disa fit a 325xi engine. All the parts lists show a 330 disa fitting a 325i and ci but not the 325xi. I was curious what the difference would be as I am in the market for a used disa.
330 disa is bigger than 325 disa and im almost sure they dont have the same part number . And 325i ci and xi they all have the same engine (im talking about the m54)

Sent from my SM-J415F using E46Fanatics mobile app
 

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Here to serve y’all
2004 330Ci 85k miles
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I have found the correct part number. The question was would a 330 disa fit a 325xi engine. All the parts lists show a 330 disa fitting a 325i and ci but not the 325xi. I was curious what the difference would be as I am in the market for a used disa.
Need to be mindful of which engine you***8217;re comparing against. The 325i and 325ci with the M56B25 SULEV engine have the same larger DISA (11617544805) as the 330i, 330xi, and 330ci.

The 325i, 325Ci, and 325xi with the M54B25 ULEV engine all use the same smaller DISA (11617544806).

The 325xi never had the M56 SULEV engine.
 

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OEM ///PLUS
2003 M3 6MT Slicktop
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23,465 Posts
Under Suspension, I would add the M3 convertible front sway bar. It makes a huge difference in handling: from 23.5mm to 27mm. Credit goes to Rob43 for that idea.
haha although a great resource for suspension, Rob43 did not come up with this. And the person (SloTown) who did this first after we found out the different sizes posted angles of bar ends weren't so good on non-M and he removed it.

And this thread topic is just one of about 3 that were Stickied and then "Un-Stickied" over time for space. Love how the n00bies make threads when others already exist. :facepalm: why didn't anyone ever think of this..genius :rolleyes:
but if new/current ideas are arising it isn***8217;t such a bad thing (i***8217;ve said in the past).

ok here's an important link
https://forum.e46fanatics.com/showpost.php?p=18480485&postcount=43
 

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Discussion Starter #14
haha although a great resource for suspension, Rob43 did not come up with this. And the person who did this first after we found out the different sizes posted angles of bar ends weren’t so good on non-M.

And this thread topic is just one of about 3 that were Stickied and then “Un-Stickied” over time for space. Love how the n00bies make threads when others already exist. :facepalm: why didn’t anyone ever think of this..genius :rolleyes:
Searched before creating this thread and couldn't find any of them.

I'm trying to contribute something useful.

Can you link us to these threads?
 

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Here to serve y’all
2004 330Ci 85k miles
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haha although a great resource for suspension, Rob43 did not come up with this. And the person who did this first after we found out the different sizes posted angles of bar ends weren’t so good on non-M.

And this thread topic is just one of about 3 that were Stickied and then “Un-Stickied” over time for space. Love how the n00bies make threads when others already exist. :facepalm: why didn’t anyone ever think of this..genius :rolleyes:
Yeah, Rob43 probably wasn’t the first one to do that, but it was where I first learned it. Noobes will be noobes...
 

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Duplicate how-tos or duplicate threads is a nice problem to have. Some original threads have lost all their photos when the duplicates remain. If you find more than one thread about something when searching then that’s twice the useful info providing they have some decent replies.

Just credit the original idea and it’s all good, right?


Sent from my iPhone using E46Fanatics
 

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Need to be mindful of which engine you're comparing against. The 325i and 325ci with the M56B25 SULEV engine have the same larger DISA (11617544805) as the 330i, 330xi, and 330ci.

The 325i, 325Ci, and 325xi with the M54B25 ULEV engine all use the same smaller DISA (11617544806).

The 325xi never had the M56 SULEV engine.
Thanks buddy. I figured it had to be something silly like that.
T
 

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Which E46's had the LF20 power steering pump? I dove into realoem to see if I had an old one and could possibly benefit from an upgrade to the revised model but it indicated that my car came with the LF30. I didn't expect that considering I have an early model year car.
 

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the E9x alternator pulley goes onto Bosch alternators. Supposed to decrease chain lash to help with the oil pump issues
I'm not seeing how something on the serpentine belt is going to affect the drive chain free play...

t
 

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2002 BMW 325i
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Searched before creating this thread and couldn't find any of them.

I'm trying to contribute something useful.

Can you link us to these threads?
Thank you for contributing to our forum. That took some time and effort and is appreciated by many of us. There are helpful members here and there are also not so helpful members here.
 
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