Name: Brake Servo (brake Booster) TRW PSA475 OE Ref 34 33 6 764 130
Brand: TRW
SKU: PSA475
Price: 405 GBP
Availability: InStock

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Brake Servo (brake Booster) TRW PSA475 OE Ref 34 33 6 764 130

Key Specification:

Diameter [mm]: 220
EAN: 3322938215057
Manufacturer Restriction: ATE
OEM Reference number: 6779721
PURPOSE GROUP: Brake Booster

See Full Specification

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£ 405

£ 337.5 excl. VAT

In Stock

SKU:	TRW PSA475
Brand	TRW

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Specification
Description
OEM Numbers
Compatibilities
Reviews

Diameter [mm]

220

EAN

3322938215057

Manufacturer Restriction

ATE

OEM Reference number

6779721

PURPOSE GROUP

Brake Booster

Brake Servo (brake Booster) OE Ref 34 33 6 764 130 – TRW – OEM 6779721

This Brake Servo (brake Booster) OE Ref 34 33 6 764 130 is supplied by TRW as a replacement for OEM reference 6779721. It is intended for use in selected BMW vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference PSA475 and EAN 3322938215057, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

This component is intended as a like-for-like replacement and should be installed in accordance with manufacturer guidelines. Installation requirements may vary depending on vehicle design and component location.

This item has manufacturer restriction: ATE

Vehicle Compatibility

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 Braking System category.

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

BMW 6 779 721 BMW 34 33 6 764 130 BMW 34 33 6 779 721 BMW 6 764 130

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

BMW

BMW 1 (E81) From 09/2006 to 09/2012

123 d Rear-Wheel Drive 03/2007-12/2011, 150 kw, 1995 ccm, 204 PS, Hatchback, Diesel , ENG: N47 D20 D, N47 D20 B

130 i Rear-Wheel Drive 09/2006-12/2011, 190 kw, 2996 ccm, 258 PS, Hatchback, Petrol , ENG: N52 B30 BF, N52 B30 A, N52 B30 B

130 i Rear-Wheel Drive 09/2006-12/2011, 195 kw, 2996 ccm, 265 PS, Hatchback, Petrol , ENG: N52 B30 BF, N52 B30 A, N52 B30 B

BMW 1 (E87) From 02/2003 to 01/2013

123 d Rear-Wheel Drive 03/2007-06/2011, 150 kw, 1995 ccm, 204 PS, Hatchback, Diesel , ENG: N47 D20 D, N47 D20 B

130 i Rear-Wheel Drive 03/2007-06/2011, 190 kw, 2996 ccm, 258 PS, Hatchback, Petrol , ENG: N52 B30 BF, N52 B30 A, N52 B30 AF, N52 B30 B

130 i Rear-Wheel Drive 09/2005-02/2007, 195 kw, 2996 ccm, 265 PS, Hatchback, Petrol , ENG: N52 B30 BF, N52 B30 A, N52 B30 AF

BMW 1 Convertible (E88) From 12/2007 to 12/2013

123 d Rear-Wheel Drive 09/2008-12/2013, 150 kw, 1995 ccm, 204 PS, Convertible, Diesel , ENG: N47 D20 D, N47 D20 B

BMW 1 Coupe (E82) From 10/2006 to 10/2013

123 d Rear-Wheel Drive 10/2007-09/2013, 150 kw, 1995 ccm, 204 PS, Coupe, Diesel , ENG: N47 D20 D, N47 D20 B

BMW 3 (E90) From 02/2004 to 02/2012

325 d Rear-Wheel Drive 09/2006-02/2010, 145 kw, 2993 ccm, 197 PS, Saloon, Diesel , ENG: M57 D30 (306D3)

325 xi 4WD 09/2005-08/2008, 160 kw, 2497 ccm, 218 PS, Saloon, Petrol , ENG: N52 B25 A

330 d Rear-Wheel Drive 09/2008-10/2011, 180 kw, 2993 ccm, 245 PS, Saloon, Diesel , ENG: N57 D30 A

330 i Rear-Wheel Drive 12/2004-10/2011, 190 kw, 2996 ccm, 258 PS, Saloon, Petrol , ENG: N52 B30 BF, N52 B30 A

323 i Rear-Wheel Drive 03/2007-12/2011, 140 kw, 2497 ccm, 190 PS, Saloon, Petrol , ENG: N52 B25 A, N52 B25 BF

330 i xDrive 4WD 09/2008-10/2011, 200 kw, 2996 ccm, 272 PS, Saloon, Petrol , ENG: N53 B30 A

330 d Rear-Wheel Drive 09/2005-09/2008, 170 kw, 2993 ccm, 231 PS, Saloon, Diesel , ENG: M57 D30 (306D3)

325 i Rear-Wheel Drive 03/2007-12/2011, 155 kw, 2996 ccm, 211 PS, Saloon, Petrol , ENG: N53 B30 A

330 xi 4WD 09/2007-08/2008, 200 kw, 2996 ccm, 272 PS, Saloon, Petrol , ENG: N53 B30 A

330 xi 4WD 09/2005-08/2007, 190 kw, 2996 ccm, 258 PS, Saloon, Petrol , ENG: N52 B30 A

325 xi 4WD 09/2007-08/2008, 160 kw, 2996 ccm, 218 PS, Saloon, Petrol , ENG: N53 B30 A

320 si Rear-Wheel Drive 09/2005-08/2006, 127 kw, 1997 ccm, 173 PS, Saloon, Petrol , ENG: N45 B20 A

320 d Rear-Wheel Drive 12/2004-10/2011, 120 kw, 1995 ccm, 163 PS, Saloon, Diesel , ENG: M47 D20 (204D4), N47 D20 A, N47 D20 C

330 i Rear-Wheel Drive 03/2007-12/2011, 200 kw, 2996 ccm, 272 PS, Saloon, Petrol , ENG: N52 B30 BF, N52 B30 A

328 i Rear-Wheel Drive 09/2006-12/2011, 172 kw, 2996 ccm, 234 PS, Saloon, Petrol , ENG: N51 B30 A

325 d Rear-Wheel Drive 03/2010-10/2011, 150 kw, 2993 ccm, 204 PS, Saloon, Diesel , ENG: N57 D30 A

325 i Rear-Wheel Drive 12/2004-12/2011, 160 kw, 2497 ccm, 218 PS, Saloon, Petrol , ENG: N52 B25 A, N52 B25 B, N52 B25 BF

325 i Rear-Wheel Drive 01/2006-12/2011, 155 kw, 2497 ccm, 211 PS, Saloon, Petrol , ENG: N52 B25 A

325 i xDrive 4WD 09/2008-10/2011, 160 kw, 2996 ccm, 218 PS, Saloon, Petrol , ENG: N53 B30 A

320 d Rear-Wheel Drive 12/2004-09/2007, 110 kw, 1995 ccm, 150 PS, Saloon, Diesel , ENG: M47 D20 (204D4)

323 i Rear-Wheel Drive 09/2005-02/2007, 130 kw, 2497 ccm, 177 PS, Saloon, Petrol , ENG: N52 B25 A, N52 B25 B, N52 B25 BF, N52 B25 BE

330 d xDrive 4WD 09/2008-10/2011, 180 kw, 2993 ccm, 245 PS, Saloon, Diesel , ENG: N57 D30 A

330 xd 4WD 09/2005-08/2008, 170 kw, 2993 ccm, 231 PS, Saloon, Diesel , ENG: M57 D30 (306D3)

330 i Rear-Wheel Drive 09/2007-10/2011, 200 kw, 2996 ccm, 272 PS, Saloon, Petrol , ENG: N53 B30 A

BMW 3 Convertible (E93) From 05/2006 to 12/2013

330 i Rear-Wheel Drive 03/2007-02/2010, 200 kw, 2996 ccm, 272 PS, Convertible, Petrol , ENG: N52 B30 A

325 d Rear-Wheel Drive 09/2009-09/2013, 150 kw, 2993 ccm, 204 PS, Convertible, Diesel , ENG: N57 D30 A

330 i Rear-Wheel Drive 03/2010-10/2013, 190 kw, 2996 ccm, 258 PS, Convertible, Petrol , ENG: N52 B30 A, N52 B30 AF

325 i Rear-Wheel Drive 03/2007-12/2013, 160 kw, 2996 ccm, 218 PS, Convertible, Petrol , ENG: N53 B30 A

325 d Rear-Wheel Drive 03/2007-12/2010, 155 kw, 2993 ccm, 211 PS, Convertible, Diesel , ENG: M57 D30 (306D3)

325 d Rear-Wheel Drive 03/2007-12/2010, 145 kw, 2993 ccm, 197 PS, Convertible, Diesel , ENG: M57 D30 (306D3)

330 d Rear-Wheel Drive 01/2009-09/2013, 180 kw, 2993 ccm, 245 PS, Convertible, Diesel , ENG: N57 D30 A

320 i Rear-Wheel Drive 01/2007-08/2013, 115 kw, 1995 ccm, 156 PS, Convertible, Petrol , ENG: N46 B20 B, N46 B20 E

330 i Rear-Wheel Drive 03/2007-10/2013, 200 kw, 2996 ccm, 272 PS, Convertible, Petrol , ENG: N53 B30 A

325 i Rear-Wheel Drive 10/2006-12/2013, 155 kw, 2996 ccm, 211 PS, Convertible, Petrol , ENG: N53 B30 A

BMW 3 Coupe (E92) From 01/2005 to 12/2013

325 xi 4WD 09/2007-08/2008, 160 kw, 2996 ccm, 218 PS, Coupe, Petrol , ENG: N53 B30 A

328 i Rear-Wheel Drive 06/2006-06/2013, 172 kw, 2996 ccm, 234 PS, Coupe, Petrol , ENG: N52 B30 A, N51 B30 A

325 d Rear-Wheel Drive 02/2007-02/2010, 145 kw, 2993 ccm, 197 PS, Coupe, Diesel , ENG: M57 D30 (306D3)

320 d Rear-Wheel Drive 03/2007-06/2013, 120 kw, 1995 ccm, 163 PS, Coupe, Diesel , ENG: N47 D20 A, N47 D20 C

330 xi 4WD 09/2006-08/2007, 200 kw, 2996 ccm, 272 PS, Coupe, Petrol , ENG: N52 B30 A

330 d xDrive 4WD 02/2010-06/2013, 180 kw, 2993 ccm, 245 PS, Coupe, Diesel , ENG: N57 D30 A

328 i xDrive 4WD 09/2008-06/2013, 172 kw, 2996 ccm, 234 PS, Coupe, Petrol , ENG: N52 B30 A, N51 B30 A

330 xd 4WD 03/2008-02/2010, 180 kw, 2993 ccm, 245 PS, Coupe, Diesel , ENG: N57 D30 A

330 i Rear-Wheel Drive 09/2006-02/2010, 200 kw, 2996 ccm, 272 PS, Coupe, Petrol , ENG: N52 B30 BF, N52 B30 A, N52 B30 AF

325 i xDrive 4WD 09/2008-12/2013, 160 kw, 2996 ccm, 218 PS, Coupe, Petrol , ENG: N53 B30 A

330 i Rear-Wheel Drive 03/2010-06/2013, 190 kw, 2996 ccm, 258 PS, Coupe, Petrol , ENG: N52 B30 A

325 d Rear-Wheel Drive 09/2009-06/2013, 150 kw, 2993 ccm, 204 PS, Coupe, Diesel , ENG: N57 D30 A

325 i Rear-Wheel Drive 09/2007-06/2013, 160 kw, 2996 ccm, 218 PS, Coupe, Petrol , ENG: N53 B30 A

330 i Rear-Wheel Drive 09/2007-06/2013, 200 kw, 2996 ccm, 272 PS, Coupe, Petrol , ENG: N53 B30 A

325 i Rear-Wheel Drive 03/2010-06/2013, 155 kw, 2996 ccm, 211 PS, Coupe, Petrol , ENG: N53 B30 A

325 xi 4WD 09/2006-02/2010, 160 kw, 2497 ccm, 218 PS, Coupe, Petrol , ENG: N52 B25 A

330 i xDrive 4WD 03/2010-06/2013, 200 kw, 2996 ccm, 272 PS, Coupe, Petrol , ENG: N53 B30 A

323 i Rear-Wheel Drive 06/2006-08/2008, 130 kw, 2497 ccm, 177 PS, Coupe, Petrol , ENG: N52 B25 A

330 xi 4WD 09/2006-08/2007, 190 kw, 2996 ccm, 258 PS, Coupe, Petrol , ENG: N52 B30 A

325 i xDrive 4WD 03/2010-04/2013, 150 kw, 2497 ccm, 204 PS, Coupe, Petrol , ENG: N52 B25 A

330 d Rear-Wheel Drive 01/2009-06/2013, 180 kw, 2993 ccm, 245 PS, Coupe, Diesel , ENG: N57 D30 A

325 i Rear-Wheel Drive 06/2006-02/2010, 160 kw, 2497 ccm, 218 PS, Coupe, Petrol , ENG: N52 B25 A, N52 B25 AF, N52 B25 BF

BMW 3 Touring (E91) From 12/2004 to 12/2012

330 i xDrive 4WD 09/2007-06/2012, 200 kw, 2996 ccm, 272 PS, Estate, Petrol , ENG: N53 B30 A

325 d Rear-Wheel Drive 02/2010-06/2012, 150 kw, 2993 ccm, 204 PS, Estate, Diesel , ENG: N57 D30 A

318 i Rear-Wheel Drive 01/2006-08/2007, 95 kw, 1995 ccm, 129 PS, Estate, Petrol , ENG: N46 B20 B

325 xi 4WD 09/2007-08/2008, 160 kw, 2996 ccm, 218 PS, Estate, Petrol , ENG: N53 B30 A

320 d Rear-Wheel Drive 12/2004-08/2007, 110 kw, 1995 ccm, 150 PS, Estate, Diesel , ENG: M47 D20 (204D4)

330 xd 4WD 09/2005-06/2012, 170 kw, 2993 ccm, 231 PS, Estate, Diesel , ENG: M57 D30 (306D3)

330 d xDrive 4WD 01/2009-06/2012, 180 kw, 2993 ccm, 245 PS, Estate, Diesel , ENG: N57 D30 A

330 xi 4WD 09/2007-06/2012, 200 kw, 2996 ccm, 272 PS, Estate, Petrol , ENG: N53 B30 A

330 i Rear-Wheel Drive 08/2005-08/2007, 190 kw, 2996 ccm, 258 PS, Estate, Petrol , ENG: N52 B30 A

325 xi 4WD 08/2005-08/2008, 160 kw, 2497 ccm, 218 PS, Estate, Petrol , ENG: N52 B25 A

320 i Rear-Wheel Drive 09/2005-06/2012, 110 kw, 1995 ccm, 150 PS, Estate, Petrol , ENG: N46 B20 B, N46 B20 C

330 d Rear-Wheel Drive 02/2008-05/2012, 180 kw, 2993 ccm, 245 PS, Estate, Diesel , ENG: N57 D30 A

325 i xDrive 4WD 09/2008-06/2012, 160 kw, 2996 ccm, 218 PS, Estate, Petrol , ENG: N53 B30 A

325 d Rear-Wheel Drive 09/2006-06/2012, 145 kw, 2993 ccm, 197 PS, Estate, Diesel , ENG: M57 D30 (306D3)

330 d Rear-Wheel Drive 12/2004-08/2008, 170 kw, 2993 ccm, 231 PS, Estate, Diesel , ENG: M57 D30 (306D3)

318 d Rear-Wheel Drive 09/2005-08/2007, 90 kw, 1995 ccm, 122 PS, Estate, Diesel , ENG: M47 D20 (204D4)

325 i Rear-Wheel Drive 09/2007-06/2012, 160 kw, 2996 ccm, 218 PS, Estate, Petrol , ENG: N53 B30 A

320 d Rear-Wheel Drive 06/2005-06/2012, 120 kw, 1995 ccm, 163 PS, Estate, Diesel , ENG: M47 D20 (204D4), N47 D20 A, N47 D20 C

330 xi 4WD 09/2005-08/2007, 190 kw, 2996 ccm, 258 PS, Estate, Petrol , ENG: N52 B30 A

325 i Rear-Wheel Drive 09/2007-06/2012, 155 kw, 2996 ccm, 211 PS, Estate, Petrol , ENG: N53 B30 A

330 i Rear-Wheel Drive 03/2007-06/2012, 200 kw, 2996 ccm, 272 PS, Estate, Petrol , ENG: N52 B30 A

330 i Rear-Wheel Drive 09/2007-06/2012, 200 kw, 2996 ccm, 272 PS, Estate, Petrol , ENG: N53 B30 A

325 i Rear-Wheel Drive 12/2004-08/2008, 160 kw, 2497 ccm, 218 PS, Estate, Petrol , ENG: N52 B25 A

BMW X1 (E84) From 03/2009 to 06/2015

xDrive 23 d 4WD 10/2009-06/2015, 150 kw, 1995 ccm, 204 PS, SUV, Diesel , ENG: N47 D20 D

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.