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Identify the vehicle. Retain the restrictions.

BCA NS231003 — vehicle application reference

Inspect 38 source-listed vehicle applications for BCA NS231003, with the original year ranges, component positions and restrictions. Historical catalogue evidence is not current VIN fitment approval.

Source-backed catalogue lookup

Filter by vehicle and component

Selections apply immediately. Every result retains the original year range, component position and additional restrictions. The button also works without JavaScript.

What this lookup establishes—and what it does not

Source: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog. The loaded entries cover listed model years from 1995 through 2020. This is a historical catalogue reference, not a live VIN decoder or a guarantee for every trim, market or production date.

BCA is an NTN-owned product line. The numbers below remain BCA part references; they are not silently converted into NTN, SKF or another brand's part numbers. Confirm current OEM/service requirements before use.

Recorded application evidence

Where this exact BCA reference is listed

BCA NS231003 appears in 38 source application entries below. Different entries can have different vehicles, positions and restrictions. A shared part reference does not make every bearing in the vehicle interchangeable.

Reference records

1–25 of 38

“Bearing”, “hub assembly”, “seal” and “repair sleeve” describe different components. The source description, rather than the catalogue title, determines the role of each number.

On a phone, each record is shown as a complete card with its restrictions. These records do not supply tightening torques or certify a replacement.

BCA part referenceComponent / positionSource model yearsRecorded conditions & restrictionsSource trace
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
320i
1995Subject to the conditions in this rowCrankshaft Seal - Rear - 2.0L 1990cc 121cid L6No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 1d25d700
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
530i
1995Subject to the conditions in this rowCrankshaft Seal - Rear - 3.0L 2997cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 39a8dda4
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
540i
1997–2003Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 43Entry 42a5921f
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
540i · 740i · 740iL · 840Ci
1995Subject to the conditions in this rowCrankshaft Seal - Rear - 4.0L 3982cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 9508853f
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
545i · 645Ci
2004–2005Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 43Entry 43295c28
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
550i
2006–2009Subject to the conditions in this rowCrankshaft Seal - Rear - 4.8L 4799cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry 43c9be6c
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
550i
2010Subject to the conditions in this rowCrankshaft Seal - Rear - 4.8L 4799cc 293cid V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry 6c82533f
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
550i · 650i
2006–2010Subject to the conditions in this rowCrankshaft Seal - Rear - 4.8L 4837cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry bb59837e
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
740i
1997–2001Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry b2168bfc
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
740iL
1996–2001Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 784e1818
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
745i · 745Li
2002–2005Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 43Entry f71ba4bf
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
750i · 750Li
2006–2008Subject to the conditions in this rowCrankshaft Seal - Rear - 4.8L 4799cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry 1d7d119a
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
750i · 750Li
2006–2008Subject to the conditions in this rowCrankshaft Seal - Rear - 4.8L 4837cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry b611693a
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
750iL
1995–2001Subject to the conditions in this rowCrankshaft Seal - Rear - 5.4L 5379cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 9b8d1601
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
760Li
2003–2008Subject to the conditions in this rowCrankshaft Seal - Rear - 6.0L 5972cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 43Entry 872d132d
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
760Li
2010–2015Subject to the conditions in this rowCrankshaft Seal - Rear - 6.0L 5972cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 45Entry fe68fcd9
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
760Li
2014–2015Subject to the conditions in this rowCrankshaft Seal - Rear - 6.0L 5972cc 364cid V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 45Entry 79254820
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
760i
2004–2006Subject to the conditions in this rowCrankshaft Seal - Rear - 6.0L 5972cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 43Entry 232ba991
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
840Ci
1996–1997Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 265a9a18
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
850CSi
1995Subject to the conditions in this rowCrankshaft Seal - Rear - 5.6L 5576cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 7dc931c1
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
850Ci
1995–1997Subject to the conditions in this rowCrankshaft Seal - Rear - 5.4L 5379cc V12No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 87824f98
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
Alpina B7
2007–2008Subject to the conditions in this rowCrankshaft Seal - Rear - 4.4L 4398cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry 62b74e56
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
M3
1996–1999Subject to the conditions in this rowCrankshaft Seal - Rear - 3.2L 3152cc L6No additional numbered footnote is attached to this source row.2021 catalogue
Page 42Entry 6012939f
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
M3
2008–2013Subject to the conditions in this rowCrankshaft Seal - Rear - 4.0L 3999cc V8No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry ae68a337
NS231003BCA catalogue referenceEngine
Listed vehicle modelsBMW
M5 · M6
2006–2010Subject to the conditions in this rowCrankshaft Seal - Rear - 5.0L 4999cc V10No additional numbered footnote is attached to this source row.2021 catalogue
Page 44Entry f6328686

Checks before treating a reference as a replacement

Identify the complete vehicle

Match model year, engine, transmission, driven axle, body and production/VIN limits. A year and model name alone may leave several valid-looking entries.

Match the component role

Distinguish a loose bearing, complete hub, cup/cone, seal and repair sleeve. Check front/rear and inner/outer or left/right position exactly as recorded.

Preserve vehicle-specific interfaces

Confirm encoder/ABS arrangement, flange and spline interfaces, retention and the current service procedure. Do not transfer torque or installation force from an unrelated part.

How to use these results

Does a listed number guarantee fitment for my VIN?

No. These are source-listed catalogue references. Read every restriction and verify the current OEM and manufacturer information for the exact vehicle configuration. Missing VIN or production details remain unknown.

Can I replace a hub using a bearing with the same dimensions?

Not on dimensions alone. The complete assembly, encoder, retention, loading and installation interfaces must agree. The main bearing catalogue and cross-brand comparisons are separate dimensional references, not vehicle approvals.

Where are the axle-nut torque and installation instructions?

This application catalogue does not establish a universal torque or a complete installation sequence. Use the current vehicle-specific service procedure, including fastener reuse rules and staged tightening. Do not infer torque from the bearing number.

Does wheel noise prove that one of these parts has failed?

No. Bearing damage, tyres, brakes and driveline faults can produce overlapping symptoms. A reference lookup identifies candidates; it does not diagnose the cause or prove which side has failed.

Look up an exact source part number

Keep the BCA prefix and full marking. Similar numbers from other manufacturers are not automatically cross-references.

Continue the technical investigation

Source and interpretation limits

Factual reference basis: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog, published by BCA Bearings, an NTN product line, with its linked numbered footnote reference. Each row retains its source page and restrictions. Vehicle names shared by one source entry remain associated with that entry; source counts are not quantities for sale.

BearingScope provides independently organized technical lookup and interpretation. It does not sell these parts, provide a repair service, certify current fitment, or claim that an absent result is unavailable from a manufacturer. Original public catalogue files and source fingerprints are retained in the site's verification records.

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