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Does the M535i have the same steering box as the e28 M5?

E28 technical advice asked and given! Troubleshooting, modifications and more.
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efreak
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Does the M535i have the same steering box as the e28 M5?

Post by efreak »

Well....
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dcbrewmeister
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Post by dcbrewmeister »

All your questions shall be answered - just click here :thanks:
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DRP535
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Post by DRP535 »

According to RealOEM the answer is "no". According to the BMW M Registry the answer is "yes".

From: http://www.bmwmregistry.com/model_faq.php?id=6

Code: Select all

Chassis 
 
How is the E28 M535i's suspension different from that of the standard E28 5 Series?
The E28 M535i's basic suspension configuration is identical to that of other E28 5 Series models, with MacPherson struts in the front and a semi-trailing arm design in the rear. Standard on the M535i, however, is the M-Technic chassis package consisting of firmer Bilstein shocks, shorter springs and thicker anti-roll bars. The recirculating ball steering rack is identical to the one found in the E28 535i and E28 M5, with an overall ratio of 15:1.
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Mark 88/M5 Houston
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Post by Mark 88/M5 Houston »

From my ETK (1.1.0 20 Nov 2003) the answer is NO

The M535i uses Part # 32 13 1 126 621
which is also used in:
E24 628CSi(EU); 633CSi(US); 635CSi(EU/US)
E28 528i(EU); 535i(EU); M535i(EU)


The M5 uses Part # 32 13 2 225 121
which is also used in :
E24 635CSi(US); M635CSi(EU); M6(EU/US) E28 M5 (EU/US)[/b]

Edited 2/28/08 to correct part numbers
Last edited by Mark 88/M5 Houston on Feb 28, 2008 6:26 PM, edited 1 time in total.
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efreak
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Location: Modesto, CA 95380

Post by efreak »

Doeas anyone know the turns lock to lock comparison for

E28 stock
E28 M5
E28 M535
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Jeremy
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Post by Jeremy »

The steering boxes are the same TYPE (recirculating ball), and interchangeable in use, but they are not the exact same unit, as Mark proved with the ETK info.
The M535i uses Part # 32 131 1 126 621
which is also used in:
E24 628CSi(EU); 633CSi(US); 635CSi(EU/US)
E28 528i(EU); 535i(EU); M535i(EU)
Stock e28 part, used in all models except the M5. 3.5 turns lock to lock.
The M5 uses Part # 32 13 12 225 121
which is also used in :
E24 635CSi(US); M635CSi(EU); M6(EU/US) E28 M5 (EU/US)
e28 M5 part. 3 turns lock to lock.


Jeremy
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alpinewhite
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Post by alpinewhite »

Mark 88/M5 Houston wrote:From my ETK (1.1.0 20 Nov 2003) the answer is NO

The M535i uses Part # 32 131 1 126 621
which is also used in:
E24 628CSi(EU); 633CSi(US); 635CSi(EU/US)
E28 528i(EU); 535i(EU); M535i(EU)


The M5 uses Part # 32 13 12 225 121
which is also used in :
E24 635CSi(US); M635CSi(EU); M6(EU/US) E28 M5 (EU/US)[/b]

Mark,
How are you, i hope well. :D According to your post, if i understand correctly, the fast-ratio gear box<32 13 12 225 121> can be found in the (US)E24 635csi?
I also found this.... http://www.bmwmobiletradition-online.co ... 3213222512

Any insight or advice on this will be very appreciated.
thanks,
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Mark 88/M5 Houston
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Post by Mark 88/M5 Houston »

:oops: It looks as if I made a typographical error when I transcribed the information from my copy of the ETK in the previous post. :oops:
The correct numbers for the steering boxes are as follows:
32 13 2 225 121 <> M5
32 13 1 126 621 <> M535i

The information below was a cut and paste exercise - no typos here. ;)

From Maximillian (using the VIN from my M5):
Part Cross-reference

Part 32132225121 (RMFD HYDRO STEERING GEAR) was found on the following vehicles:

E24 M635CSi COUPE, S38, Euro, MANUAL (5511) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5531) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5531) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5511) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, RHD , MANUAL (5532) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, RHD , MANUAL (5532) : POWER STEERING
E24 635CSi COUPE, M30, U.S., AUTO (5384) : POWER STEERING
E24 635CSi COUPE, M30, U.S., MANUAL (5374) : POWER STEERING
E24 M6 COUPE, S38, U.S., MANUAL (5514) : POWER STEERING
E28 M5 SEDAN, S38, Euro, MANUAL (DC91) : POWER STEERING
E28 M5 SEDAN, S38, Euro, RHD , MANUAL (DC92) : POWER STEERING
E28 M5 SEDAN, S38, U.S., MANUAL (DC93) : POWER STEERING
From RealOEM (using the VIN from my M5):
Part Cross-reference

Part 32132225121 (RMFD HYDRO STEERING GEAR) was found on the following vehicles:

E24 M635CSi COUPE, S38, Euro, MANUAL (5511) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5511) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5531) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, MANUAL (5531) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, RHD , MANUAL (5532) : POWER STEERING
E24 M635CSi COUPE, S38, Euro, RHD , MANUAL (5532) : POWER STEERING
E24 635CSi COUPE, M30, U.S., AUTO (5384) : POWER STEERING
E24 635CSi COUPE, M30, U.S., MANUAL (5374) : POWER STEERING
E24 M6 COUPE, S38, U.S., MANUAL (5514) : POWER STEERING
E28 M5 SEDAN, S38, Euro, MANUAL (DC91) : POWER STEERING
E28 M5 SEDAN, S38, Euro, RHD , MANUAL (DC92) : POWER STEERING
E28 M5 SEDAN, S38, U.S., MANUAL (DC93) : POWER STEERING
M535i from Maximillian:
Part Cross-reference

Part 32131126621 (RMFD HYDRO STEERING GEAR) was found on the following vehicles:

E24: Details on E24
E24 633CSi COUPE, U.S.
E24 635CSi COUPE, U.S.
E24 628CSi COUPE, Euro
E24 635CSi COUPE, Euro

E28: Details on E28
E28 528i SEDAN, Euro
E28 535i SEDAN, Euro
E28 M535i SEDAN, Euro
M535i from RealOEM:
Part Cross-reference

Part 32131126621 (RMFD HYDRO STEERING GEAR) was found on the following vehicles:

E24: Details on E24
E24 633CSi COUPE, U.S.
E24 635CSi COUPE, U.S.
E24 628CSi COUPE, Euro
E24 635CSi COUPE, Euro

E28: Details on E28
E28 528i SEDAN, Euro
E28 535i SEDAN, Euro
E28 M535i SEDAN, Euro
Both RealOEM and Maximilliam's on line ETK list a much greater fitment for the M535i steering box than quoted here. If more detail is needed please use those resources for the full lists.
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Devinder
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Post by Devinder »

since we're on the topic, does anyone know what comes in the repair kit 32 13 1 126 887? The same part number is used for 535 and M5 so I'm wondering if this can actually fix a worn gear box.

Devinder
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duggi
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Post by duggi »

another question related, will the M535i steering box fit in a 528e? and if so, any advantage?
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Jeremy
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Post by Jeremy »

duggi wrote:another question related, will the M535i steering box fit in a 528e?
Yes.
duggi wrote:any advantage?
None, apparently, unless the one from the M535i is in better overall condition.

Jeremy
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duggi
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Post by duggi »

Jeremy wrote:
duggi wrote:another question related, will the M535i steering box fit in a 528e?
Yes.
duggi wrote:any advantage?
None, apparently, unless the one from the M535i is in better overall condition.

Jeremy
cools, there's an "M535i Steering Box" for sale on craigslist for $100 with an "NLA Rebuild Kit" included in the price. Thought if it was a better or more direct steering box, might grab it, otherwise, mine's in good condition as far as I can tell.
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Bill in MN
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Post by Bill in MN »

The box in my '89 e24 is 3 turns lock to lock.
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wkohler
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Post by wkohler »

duggi wrote:
Jeremy wrote:
duggi wrote:another question related, will the M535i steering box fit in a 528e?
Yes.
duggi wrote:any advantage?
None, apparently, unless the one from the M535i is in better overall condition.

Jeremy
cools, there's an "M535i Steering Box" for sale on craigslist for $100 with an "NLA Rebuild Kit" included in the price. Thought if it was a better or more direct steering box, might grab it, otherwise, mine's in good condition as far as I can tell.
That seller is a board member. It's also listed in the FS section.

FWIW, I found an '85 and an '87 in the yards and they have the 621 box, so I'm betting it's an '88/89 thing - you know just to continue to make the cars "that much better."
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Dana R
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Post by Dana R »

Bill in MN wrote:The box in my '89 e24 is 3 turns lock to lock.
Now this is some useful information! If Chris' experience with the 87 635csi is correct (some late 87 models have been known to have some of the upgrades of the 88-89 e24s), then we can have a larger pool of CR steering boxes by sourcing from the late e24s as well as M5s and M6s.
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Manny D.
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Post by Manny D. »

wkohler wrote:
duggi wrote:
Jeremy wrote:
duggi wrote:another question related, will the M535i steering box fit in a 528e?
Yes.
duggi wrote:any advantage?
None, apparently, unless the one from the M535i is in better overall condition.

Jeremy
cools, there's an "M535i Steering Box" for sale on craigslist for $100 with an "NLA Rebuild Kit" included in the price. Thought if it was a better or more direct steering box, might grab it, otherwise, mine's in good condition as far as I can tell.
That seller is a board member. It's also listed in the FS section.
Yea but he says there is no part number.. so im not too sure i its the close ratio or not.. Or If its OEM..
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