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BMW 3-Series (E90 E92) Forum
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Suspension shopping list
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03-18-2018, 03:44 PM | #1 |
Cometh
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Suspension shopping list
I'm replacing my suspension with Sport package springs and Bilstein B4s. The current plan is to pre-assemble the new struts. I'd appreciate it if you could go through the following list and let me know if I'm missing anything!
Also, any installation tips are welcomed. I have spring compressors and have worked with MacPherson suspension before but not on a BMW. From what I've seen so far, the hardest part appears to be removing the strut from the wheel well? I've also noted that washer #8 is installed with the black stripe facing up. Thanks Update: I ended up reusing many components as I saw no reason to replace them. At 75k miles, the strut mounts (31306775098) and front bump stops (31336767333) were quite worn and the rear bump stops (33536767335) had failed. The rear lower shock mount seemed fine but I replaced it anyway. I reused my Monroe rear upper shock mounts. I've updated the lists below accordingly. Front: http://www.realoem.com/bmw/enUS/show...diagId=31_0716 Code:
05 Covering cap 2 31306774021 Reuse 04 Self-locking hex nut 2 31336764470 Included w/ struts 06 Washer-gasket 2 31306772226 Reuse 02 Self-locking collar nut 6 31316769731 Reuse 01 Guide support (sport) 2 31306775098 Replace (Lemforder) 07 Dust protection collar 2 31331110196 Reuse 08 Washer 2 31306763966 Reuse 09 Upper spring plate 2 31336764093 Reuse 10 Upper spring pad 2 31336767500 Reuse 11 Add shock absrb (sport) 2 31336767333 Replace (Rein) 12 Protection tube 2 31331094749 Reuse 13 Lower spring pad 2 31336764372 Reuse http://www.realoem.com/bmw/enUS/show...diagId=33_1263 Code:
07 Guide support, upper part 2 33506771737 Reuse (Monroe) 05 Sealing grommet 2 33506767010 Reuse 06 Guide support, lower part 2 33506771738 Reuse (Monroe) 04 Supporting cup 2 33526764418 Reuse 03 Add shock absrb (sport) 2 33536767335 Replace (Febi) 02 Hex nut with flange 2 33506784003 Included w/ shocks ?? Rubber mount, lower 2 33526768544 Replace (Rein) 11 Spring pocket 2 41147057297 Reuse 09 Spring pad, upper 2 33536764419 Reuse 08 Spring pad, lower 2 33536764420 Reuse Last edited by The Nightman; 02-23-2022 at 06:47 PM.. |
03-18-2018, 03:58 PM | #2 |
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03-18-2018, 04:04 PM | #3 |
Cometh
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03-20-2018, 02:59 PM | #5 |
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Drives: BSM 07 E90 335i
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I just replaced my shocks and struts on my '07 E90 335i.
When you remove the old struts, remove the brake caliper, and rotate the strut so that it points outward from the wheel well. You won't have enough room above it to remove it when it's pointed upright. In order to rotate it out, you may also have to compress the spring slightly when it is still inside the wheel well. Make sure your spring compressor has clearance to clamp between the top strut mount and the spring plate (parts 9 and 1 on your diagram). The other end of the compressor can then go on one of the lower coils. If the top clamp is on a coil, you won't be able to compress the spring far enough to remove the tension on the strut (at least I couldn't with the sport suspension). I would also highly recommend using one of the spreader tools to open up the strut mount on the steering knuckle. Your old struts will be dirty, and will make removal more difficult. I used a mallet to help loosen the strut in the mount (even when it was spread open with the tool). Edit: Something I forgot. You probably also want to pick up the strut socket tool for the top nut. It has a cutout to get your allen/wrench in there to hold the strut shaft while you tighten it. The nut is down in a deep hole, so it's not really possible to get a wrench on it. Last edited by upshift_downshift; 03-20-2018 at 03:08 PM.. |
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The Nightman1090.00 |
06-02-2020, 09:18 PM | #6 |
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i found the list in this thread most helpful so bumping it for others.
Matched what was worn on my car pretty well (bump stops from m3/z4, upper strut mounts). I also did replace the lower shock mounts but only because they were $8 and I already had them. E93, 61K miles, M sport to eibach + bilstein B4s. Front came down ~3/4". Rear stayed the same so I'll trim the strut tabs to make completely even (25" off ground to fender on stock 18s) |
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06-03-2020, 02:19 PM | #7 |
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How is the bilstein B4s riding? And you have sport springs on em? Isnt it for nonsport springs tho?
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06-03-2020, 04:21 PM | #8 | |
Cometh
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Quote:
There are B4 models specific to Sport springs. I used 22-135032, 22-135049 for the fronts and 19-135052 for the rears. |
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