Name: Clutch Slave Cylinder BORG & BECK BES231 OE Ref 21 52 6 766 279
Brand: BORG & BECK
SKU: BORG-BECK-BES231
Price: 68.00 GBP
Availability: InStock
Rating: 4.8 (578 reviews)

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Clutch Slave Cylinder BORG & BECK BES231 OE Ref 21 52 6 766 279 BORG & BECK

Key Specification:

EAN: 5055807761062
Inner Diameter [mm]: 22.2
Material: Cast Iron
OEM Reference number: 21521164919
PURPOSE GROUP: Slave Cylinder

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£ 68.00

£ 56.55 excl. VAT

In Stock

SKU:	BORG & BECK BES231
Brand	BORG & BECK

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

5055807761062

Inner Diameter [mm]

22.2

Material

Cast Iron

OEM Reference number

21521164919

PURPOSE GROUP

Slave Cylinder

Supplementary Info

CLUTCH SLAVE CYL.

Clutch Slave Cylinder BORG & BECK OE Ref 21 52 6 766 279 – BORG & BECK – OEM 21521164919

This Clutch Slave Cylinder BORG & BECK OE Ref 21 52 6 766 279 is supplied by BORG & BECK as a replacement for OEM reference 21521164919. It is intended for use in selected BMW vehicles and designed to meet original equipment fit and functional requirements.

The part is identified by manufacturer reference BES231 and EAN EAN: 5055807761062, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

CLUTCH SLAVE CYL.

Fitment & Compatibility

Correct part selection is essential to ensure proper fitment. Please verify compatibility by using the vehicle registration lookup tool or by matching the OEM reference number before ordering.

This part is compatible with selected BMW models. Detailed compatibility information is available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Clutch Parts category.

Reference number(s) comparable with the original spare part number

BMW 21 52 1 164 919 BMW 21 52 6 766 279 BMW 21 52 6 775 922 BMW 21 52 6 785 966

OE reference number(s) comparable with the original spare part number

BMW

BMW 3 (E46) From 12/1997 to 05/2005

316 i Rear-Wheel Drive 04/2000-02/2005, 77 kw, 1596 ccm, 105 PS, Saloon, Petrol , ENG: M43 B16 (164E3)

330 xi 4WD 06/2000-02/2005, 170 kw, 2979 ccm, 231 PS, Saloon, Petrol , ENG: M54 B30 (306S3)

320 i Rear-Wheel Drive 03/1998-09/2000, 110 kw, 1990 ccm, 150 PS, Saloon, Petrol , ENG: M52 B20 (206S4)

330 xd 4WD 01/2000-02/2003, 135 kw, 2926 ccm, 184 PS, Saloon, Diesel , ENG: M57 D30 (306D1)

320 i Rear-Wheel Drive 09/2000-02/2005, 120 kw, 2171 ccm, 163 PS, Saloon, Petrol , ENG: M54 B22 (226S1)

320 d Rear-Wheel Drive 04/1998-09/2001, 100 kw, 1951 ccm, 136 PS, Saloon, Diesel , ENG: M47 D20 (204D1)

316 i Rear-Wheel Drive 02/2002-02/2005, 85 kw, 1796 ccm, 115 PS, Saloon, Petrol , ENG: N46 B18 A, N42 B18 A

318 i Rear-Wheel Drive 12/1997-09/2001, 87 kw, 1895 ccm, 118 PS, Saloon, Petrol , ENG: M43 B19 (194E1)

330 d Rear-Wheel Drive 10/1999-02/2005, 135 kw, 2926 ccm, 184 PS, Saloon, Diesel , ENG: M57 D30 (306D1)

330 xd 4WD 09/2002-12/2004, 150 kw, 2993 ccm, 204 PS, Saloon, Diesel , ENG: M57 D30 (306D2)

320 d Rear-Wheel Drive 02/1998-08/2001, 95 kw, 1951 ccm, 129 PS, Saloon, Diesel , ENG: M47 D20 (204D1)

330 i Rear-Wheel Drive 06/2000-02/2005, 170 kw, 2979 ccm, 231 PS, Saloon, Petrol , ENG: M54 B30 (306S3)

318 d Rear-Wheel Drive 03/2003-02/2005, 85 kw, 1995 ccm, 116 PS, Saloon, Diesel , ENG: M47 D20 (204D4)

325 xi 4WD 09/2000-02/2005, 141 kw, 2494 ccm, 192 PS, Saloon, Petrol , ENG: M54 B25 (256S5)

323 i Rear-Wheel Drive 03/1998-09/2000, 120 kw, 2494 ccm, 163 PS, Saloon, Petrol , ENG: M52 B25 (256S4)

323 i Rear-Wheel Drive 03/1998-09/2000, 125 kw, 2494 ccm, 170 PS, Saloon, Petrol , ENG: M52 B25 (256S4)

328 i Rear-Wheel Drive 02/1998-06/2000, 142 kw, 2793 ccm, 193 PS, Saloon, Petrol , ENG: M52 B28 (286S2)

325 i Rear-Wheel Drive 09/2000-02/2005, 141 kw, 2494 ccm, 192 PS, Saloon, Petrol , ENG: M54 B25 (256S5)

318 d Rear-Wheel Drive 09/2001-03/2003, 85 kw, 1951 ccm, 116 PS, Saloon, Diesel , ENG: M47 D20 (204D1)

320 i Rear-Wheel Drive 09/2000-02/2005, 125 kw, 2171 ccm, 170 PS, Saloon, Petrol , ENG: M54 B22 (226S1)

320 d Rear-Wheel Drive 09/2001-05/2005, 110 kw, 1995 ccm, 150 PS, Saloon, Diesel , ENG: M47 D20 (204D4)

318 i Rear-Wheel Drive 09/2001-02/2005, 100 kw, 1995 ccm, 136 PS, Saloon, Petrol , ENG: N42 B20 A

318 i Rear-Wheel Drive 09/2001-02/2005, 105 kw, 1995 ccm, 143 PS, Saloon, Petrol , ENG: N42 B20 A, N46 B20 A, N46 B20 C

330 d Rear-Wheel Drive 03/2003-02/2005, 150 kw, 2993 ccm, 204 PS, Saloon, Diesel , ENG: M57 D30 (306D2)

316 i Rear-Wheel Drive 12/1998-02/2002, 77 kw, 1895 ccm, 105 PS, Saloon, Petrol , ENG: M43 B19 (194E1)

316 i Rear-Wheel Drive 06/2002-02/2005, 85 kw, 1596 ccm, 115 PS, Saloon, Petrol , ENG: N40 B16 A, N45 B16 A

BMW 3 Compact (E46) From 03/2001 to 02/2005

320 td Rear-Wheel Drive 09/2001-02/2005, 110 kw, 1995 ccm, 150 PS, Hatchback, Diesel , ENG: M47 D20 (204D4)

318 td Rear-Wheel Drive 03/2003-02/2005, 85 kw, 1995 ccm, 115 PS, Hatchback, Diesel , ENG: M47 D20 (204D4)

316 ti Rear-Wheel Drive 06/2002-02/2005, 85 kw, 1596 ccm, 115 PS, Hatchback, Petrol , ENG: N40 B16 A, N45 B16 A

325 ti Rear-Wheel Drive 04/2001-12/2004, 141 kw, 2494 ccm, 192 PS, Hatchback, Petrol , ENG: M54 B25 (256S5)

316 ti Rear-Wheel Drive 06/2002-02/2005, 77 kw, 1596 ccm, 105 PS, Hatchback, Petrol , ENG: N40 B16 A

318 ti Rear-Wheel Drive 03/2001-12/2004, 100 kw, 1995 ccm, 136 PS, Hatchback, Petrol , ENG: N42 B20 A, N46 B20 A

318 ti Rear-Wheel Drive 03/2001-12/2004, 105 kw, 1995 ccm, 143 PS, Hatchback, Petrol , ENG: N42 B20 A, N46 B20 A

316 ti Rear-Wheel Drive 06/2001-02/2005, 85 kw, 1796 ccm, 115 PS, Hatchback, Petrol , ENG: N46 B18 A, N42 B18 A

BMW 3 Convertible (E46) From 04/2000 to 12/2007

320 Cd Rear-Wheel Drive 02/2005-12/2007, 110 kw, 1995 ccm, 150 PS, Convertible, Diesel , ENG: M47 D20 (204D4)

318 Ci Rear-Wheel Drive 09/2001-12/2007, 105 kw, 1995 ccm, 143 PS, Convertible, Petrol , ENG: N42 B20 A, N46 B20 A

323 Ci Rear-Wheel Drive 04/2000-09/2000, 125 kw, 2494 ccm, 170 PS, Convertible, Petrol , ENG: M52 B25 (256S4)

318 Ci Rear-Wheel Drive 03/2004-08/2006, 110 kw, 1995 ccm, 150 PS, Convertible, Petrol , ENG: N46 B20 A, N46 B20 C

325 Ci Rear-Wheel Drive 09/2000-08/2006, 141 kw, 2494 ccm, 192 PS, Convertible, Petrol , ENG: M54 B25 (256S5)

323 Ci Rear-Wheel Drive 04/2000-09/2000, 120 kw, 2494 ccm, 163 PS, Convertible, Petrol , ENG: M52 B25 (256S4)

330 Ci Rear-Wheel Drive 06/2000-08/2006, 170 kw, 2979 ccm, 231 PS, Convertible, Petrol , ENG: M54 B30 (306S3)

M3 Rear-Wheel Drive 03/2001-08/2006, 252 kw, 3246 ccm, 343 PS, Convertible, Petrol , ENG: S54 B32 (326S4)

330 Cd Rear-Wheel Drive 08/2005-12/2007, 150 kw, 2993 ccm, 204 PS, Convertible, Diesel , ENG: M57 D30 (306D2)

320 Ci Rear-Wheel Drive 09/2000-12/2007, 125 kw, 2171 ccm, 170 PS, Convertible, Petrol , ENG: M54 B22 (226S1)

320 Ci Rear-Wheel Drive 01/2006-12/2007, 120 kw, 2171 ccm, 163 PS, Convertible, Petrol , ENG: M54 B22 (226S1)

BMW 3 Coupe (E46) From 12/1998 to 07/2006

318 Ci Rear-Wheel Drive 03/2004-05/2006, 110 kw, 1995 ccm, 150 PS, Coupe, Petrol , ENG: N46 B20 A, N46 B20 C

330 xi 4WD 06/2000-07/2006, 170 kw, 2979 ccm, 231 PS, Coupe, Petrol , ENG: M54 B30 (306S3)

328 Ci Rear-Wheel Drive 12/1998-05/2000, 142 kw, 2793 ccm, 193 PS, Coupe, Petrol , ENG: M52 B28 (286S2)

320 Ci Rear-Wheel Drive 01/2000-05/2006, 120 kw, 2171 ccm, 163 PS, Coupe, Petrol , ENG: M54 B22 (226S1)

318 Ci Rear-Wheel Drive 09/2001-02/2004, 105 kw, 1995 ccm, 143 PS, Coupe, Petrol , ENG: N42 B20 A

325 Ci Rear-Wheel Drive 09/2000-05/2006, 141 kw, 2494 ccm, 192 PS, Coupe, Petrol , ENG: M54 B25 (256S5)

318 Ci Rear-Wheel Drive 12/1999-08/2001, 87 kw, 1895 ccm, 118 PS, Coupe, Petrol , ENG: M43 B19 (194E1)

316 Ci Rear-Wheel Drive 06/2002-07/2006, 85 kw, 1596 ccm, 115 PS, Coupe, Petrol , ENG: N45 B16 A

330 Cd Rear-Wheel Drive 03/2003-07/2006, 150 kw, 2993 ccm, 204 PS, Coupe, Diesel , ENG: M57 D30 (306D2)

316 Ci Rear-Wheel Drive 04/2000-07/2006, 77 kw, 1596 ccm, 105 PS, Coupe, Petrol , ENG: M43 B16 (164E3)

323 Ci Rear-Wheel Drive 04/1999-09/2000, 125 kw, 2494 ccm, 170 PS, Coupe, Petrol , ENG: M52 B25 (256S4)

M3 Rear-Wheel Drive 07/2000-05/2006, 252 kw, 3246 ccm, 343 PS, Coupe, Petrol , ENG: S54 B32 (326S4)

318 Ci Rear-Wheel Drive 12/2000-05/2006, 100 kw, 1995 ccm, 136 PS, Coupe, Petrol , ENG: N42 B20 A, N46 B20 A

320 Ci Rear-Wheel Drive 01/2000-05/2006, 125 kw, 2171 ccm, 170 PS, Coupe, Petrol , ENG: M54 B22 (226S1)

320 Ci Rear-Wheel Drive 02/1999-08/2001, 110 kw, 1990 ccm, 150 PS, Coupe, Petrol , ENG: M52 B20 (206S4)

320 Cd Rear-Wheel Drive 11/2003-07/2006, 110 kw, 1995 ccm, 150 PS, Coupe, Diesel , ENG: M47 D20 (204D4)

330 Ci Rear-Wheel Drive 06/2000-05/2006, 170 kw, 2979 ccm, 231 PS, Coupe, Petrol , ENG: M54 B30 (306S3)

BMW 3 Touring (E46) From 06/1999 to 07/2005

318 d Rear-Wheel Drive 03/2003-02/2005, 85 kw, 1995 ccm, 116 PS, Estate, Diesel , ENG: M47 D20 (204D4)

318 d Rear-Wheel Drive 10/2002-03/2003, 85 kw, 1951 ccm, 115 PS, Estate, Diesel , ENG: M47 D20 (204D1)

325 xi 4WD 09/2000-02/2005, 141 kw, 2494 ccm, 192 PS, Estate, Petrol , ENG: M54 B25 (256S5)

325 i Rear-Wheel Drive 09/2000-02/2005, 141 kw, 2494 ccm, 192 PS, Estate, Petrol , ENG: M54 B25 (256S5)

320 i Rear-Wheel Drive 09/2000-02/2005, 125 kw, 2171 ccm, 170 PS, Estate, Petrol , ENG: M54 B22 (226S1)

320 d Rear-Wheel Drive 09/2001-02/2005, 110 kw, 1995 ccm, 150 PS, Estate, Diesel , ENG: M47 D20 (204D4)

330 xd 4WD 08/2002-05/2005, 150 kw, 2993 ccm, 204 PS, Estate, Diesel , ENG: M57 D30 (306D2)

328 i Rear-Wheel Drive 06/1999-05/2000, 142 kw, 2793 ccm, 193 PS, Estate, Petrol , ENG: M52 B28 (286S2)

320 i Rear-Wheel Drive 10/1999-09/2000, 110 kw, 1990 ccm, 150 PS, Estate, Petrol , ENG: M52 B20 (206S4)

330 xi 4WD 06/2000-02/2005, 170 kw, 2979 ccm, 231 PS, Estate, Petrol , ENG: M54 B30 (306S3)

316 i Rear-Wheel Drive 03/2002-02/2005, 85 kw, 1796 ccm, 115 PS, Estate, Petrol , ENG: N46 B18 A, N42 B18 A

330 xd 4WD 01/2000-03/2003, 135 kw, 2926 ccm, 184 PS, Estate, Diesel , ENG: M57 D30 (306D1)

318 i Rear-Wheel Drive 09/2001-07/2005, 105 kw, 1995 ccm, 143 PS, Estate, Petrol , ENG: N42 B20 A, N46 B20 A, N46 B20 C

330 d Rear-Wheel Drive 10/1999-02/2005, 135 kw, 2926 ccm, 184 PS, Estate, Diesel , ENG: M57 D30 (306D1)

320 d Rear-Wheel Drive 03/2000-09/2001, 100 kw, 1951 ccm, 136 PS, Estate, Diesel , ENG: M47 D20 (204D1)

330 d Rear-Wheel Drive 03/2003-02/2005, 150 kw, 2993 ccm, 204 PS, Estate, Diesel , ENG: M57 D30 (306D2)

318 i Rear-Wheel Drive 10/1999-09/2001, 87 kw, 1895 ccm, 118 PS, Estate, Petrol , ENG: M43 B19 (194E1)

330 i Rear-Wheel Drive 06/2000-02/2005, 170 kw, 2979 ccm, 231 PS, Estate, Petrol , ENG: M54 B30 (306S3)

BMW X3 (E83) From 01/2003 to 12/2011

2.5 si 4WD 08/2006-08/2008, 160 kw, 2497 ccm, 218 PS, SUV, Petrol , ENG: N52 B25 A, N52 B25 AF, N52 B25 BF

2.5 i 4WD 03/2004-07/2006, 141 kw, 2494 ccm, 192 PS, SUV, Petrol , ENG: M54 B25 (256S5)

3.0 d 4WD 09/2005-08/2008, 160 kw, 2993 ccm, 218 PS, SUV, Diesel , ENG: M57 D30 (306D3)

xDrive 30 d 4WD 09/2008-08/2010, 155 kw, 2993 ccm, 211 PS, SUV, Diesel , ENG: M57 D30 (306D3)

3.0 sd 4WD 09/2006-08/2008, 210 kw, 2993 ccm, 286 PS, SUV, Diesel , ENG: M57 D30 (306D5)

2.0 d 4WD 09/2004-08/2007, 110 kw, 1995 ccm, 150 PS, SUV, Diesel , ENG: M47 D20 (204D4)

3.0 si 4WD 08/2006-08/2008, 200 kw, 2996 ccm, 272 PS, SUV, Petrol , ENG: N52 B30 BF, N52 B30 A

3.0 d 4WD 01/2004-08/2005, 150 kw, 2993 ccm, 204 PS, SUV, Diesel , ENG: M57 D30 (306D2)

3.0 i xDrive 4WD 09/2003-07/2006, 170 kw, 2979 ccm, 231 PS, SUV, Petrol , ENG: M54 B30 (306S3)

2.0 i 4WD 07/2005-08/2008, 110 kw, 1995 ccm, 150 PS, SUV, Petrol , ENG: N46 B20 B

BMW Z4 Coupe (E86) From 03/2006 to 01/2009

3.0 si Rear-Wheel Drive 04/2006-08/2008, 195 kw, 2996 ccm, 265 PS, Coupe, Petrol , ENG: N52 B30 BF, N52 B30 A

M Rear-Wheel Drive 04/2006-08/2008, 252 kw, 3246 ccm, 343 PS, Coupe, Petrol , ENG: S54 B32 (326S4)

BMW Z4 Roadster (E85) From 09/2002 to 12/2009

2.5 i Rear-Wheel Drive 12/2002-12/2005, 141 kw, 2494 ccm, 192 PS, Convertible, Petrol , ENG: M54 B25 (256S5)

M Rear-Wheel Drive 01/2006-08/2008, 252 kw, 3246 ccm, 343 PS, Convertible, Petrol , ENG: S54 B32 (326S4)

2.2 i Rear-Wheel Drive 10/2003-10/2005, 125 kw, 2171 ccm, 170 PS, Convertible, Petrol , ENG: M54 B22 (226S1)

2.5 si Rear-Wheel Drive 01/2006-08/2008, 160 kw, 2497 ccm, 218 PS, Convertible, Petrol , ENG: N52 B25 A

2.0 i Rear-Wheel Drive 03/2005-02/2009, 110 kw, 1995 ccm, 150 PS, Convertible, Petrol , ENG: N46 B20 B

3.0 i Rear-Wheel Drive 12/2002-12/2005, 170 kw, 2979 ccm, 231 PS, Convertible, Petrol , ENG: M54 B30 (306S3)

3.0 si Rear-Wheel Drive 01/2006-08/2008, 195 kw, 2996 ccm, 265 PS, Convertible, Petrol , ENG: N52 B30 BF, N52 B30 A

2.5 i Rear-Wheel Drive 09/2005-02/2009, 130 kw, 2497 ccm, 177 PS, Convertible, Petrol , ENG: N52 B25 A

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.