Name: Control Trailing Arm QUINTON HAZELL QSJ3945S OE Ref 31106861161
Brand: QUINTON HAZELL
SKU: QSJ3945S
Price: 195 GBP
Availability: InStock

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Control Trailing Arm QUINTON HAZELL QSJ3945S OE Ref 31106861161

Key Specification:

Cone Size [mm]: 19
Control/Trailing Arm Type: Trailing Arm
EAN: 5050438604139
Length [mm]: 405
Material: Aluminium

See Full Specification

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£ 195

£ 162.5 excl. VAT

In Stock

SKU:	QUINTON HAZELL QSJ3945S
Brand	QUINTON HAZELL

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Specification
Description
OEM Numbers
Compatibilities
Reviews

Cone Size [mm]

Control/Trailing Arm Type

Trailing Arm

EAN

5050438604139

Length [mm]

405

Material

Aluminium

OEM Reference number

31106861161

paired article number

QSJ3946S

Supplementary Info

Suspension arm

Control Trailing Arm QUINTON HAZELL QSJ3945S OE Ref 31106861161

Control Trailing Arm QUINTON HAZELL OE Ref – QUINTON HAZELL – OEM 31106861161

This Control Trailing Arm QUINTON HAZELL OE Ref is supplied by QUINTON HAZELL as a replacement for OEM reference 31106861161. 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 QSJ3945S and EAN 5050438604139, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

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

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 Suspension category.

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

BMW 31 10 6 861 161

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

BMW

BMW 5 (G30, F90) From 09/2016

530 d Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 183 kw, 2993 ccm, 249 PS, Saloon, Mild Hybrid , ENG: B57 D30 B, JA1

540 i Rear-Wheel Drive 09/2016-06/2020, 250 kw, 2998 ccm, 340 PS, Saloon, Petrol , ENG: B58 B30 A, B58 B30 C

530 i Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 185 kw, 1998 ccm, 252 PS, Saloon, Mild Hybrid , ENG: B48 B20 B, JA1

530 i xDrive 4WD 05/2022-06/2023, 180 kw, 1998 ccm, 245 PS, Saloon, Petrol , ENG: B46 B20 B, B48 B20 B

518 d Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 100 kw, 1995 ccm, 136 PS, Saloon, Mild Hybrid , ENG: B47 D20 B, JA1

518 d Rear-Wheel Drive 07/2018-06/2020, 100 kw, 1995 ccm, 136 PS, Saloon, Diesel , ENG: B47 D20 B

520 i Rear-Wheel Drive 07/2017-06/2023, 125 kw, 1597 ccm, 170 PS, Saloon, Petrol , ENG: B48 B16 A

520 E PLUG-IN-HYBRID Rear-Wheel Drive 03/2021-05/2022, 150 kw, 1998 ccm, 204 PS, Saloon, Plug-In Hybrid , ENG: B48 B20 A, GC1

520 d Mild-Hybrid Rear-Wheel Drive 11/2019-06/2023, 140 kw, 1995 ccm, 190 PS, Saloon, Mild Hybrid , ENG: B47 D20 B, JA1

525 d Rear-Wheel Drive 07/2017-06/2019, 170 kw, 1995 ccm, 231 PS, Saloon, Diesel , ENG: B47 D20 B

M5 CS 4WD 03/2021-02/2022, 467 kw, 4395 ccm, 635 PS, Saloon, Petrol , ENG: S63 B44 B

M5 4WD 09/2017-06/2023, 441 kw, 4395 ccm, 600 PS, Saloon, Petrol , ENG: S63 B44 B

520 d Rear-Wheel Drive 09/2016-06/2023, 120 kw, 1995 ccm, 163 PS, Saloon, Diesel , ENG: B47 D20 A, B47 D20 B

530 e Plug-in-Hybrid Rear-Wheel Drive 07/2020-06/2023, 200 kw, 1998 ccm, 272 PS, Saloon, Plug-In Hybrid , ENG: B48 B20 A, GC1

540 i Mild-Hybrid Rear-Wheel Drive 07/2020-05/2023, 245 kw, 2998 ccm, 333 PS, Saloon, Mild Hybrid , ENG: JA1, B58 B30 C

525 d Rear-Wheel Drive 07/2017-06/2019, 155 kw, 1995 ccm, 211 PS, Saloon, Diesel , ENG: B47 D20 B

520 d Rear-Wheel Drive 09/2016-06/2023, 140 kw, 1995 ccm, 190 PS, Saloon, Diesel , ENG: B47 D20 A, B47 D20 B

518 d Rear-Wheel Drive 07/2018-06/2020, 110 kw, 1995 ccm, 150 PS, Saloon, Diesel , ENG: B47 D20 B

530 e Plug-in-Hybrid Rear-Wheel Drive 03/2017-06/2020, 185 kw, 1998 ccm, 252 PS, Saloon, Plug-In Hybrid , ENG: B46 B20 B, B48 B20 A, GC1

518 d Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 110 kw, 1995 ccm, 150 PS, Saloon, Mild Hybrid , ENG: B47 D20 B, JA1

530 e Plug-in-Hybrid Rear-Wheel Drive 07/2020-06/2023, 215 kw, 1998 ccm, 292 PS, Saloon, Plug-In Hybrid , ENG: B46 B20 B, B48 B20 A, GC1

520 i Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 135 kw, 1998 ccm, 184 PS, Saloon, Mild Hybrid , ENG: JA1, B48 B20 A

520 i Rear-Wheel Drive 07/2017-06/2020, 120 kw, 1998 ccm, 163 PS, Saloon, Petrol , ENG: B48 B20 B, B48 B20 A

530 i Rear-Wheel Drive 09/2016-06/2020, 185 kw, 1998 ccm, 252 PS, Saloon, Petrol , ENG: B46 B20 B, B48 B20 B

530 i Rear-Wheel Drive 05/2022-06/2023, 180 kw, 1998 ccm, 245 PS, Saloon, Petrol , ENG: B46 B20 B, B48 B20 B

520 i Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 120 kw, 1998 ccm, 163 PS, Saloon, Mild Hybrid , ENG: JA1, B48 B20 A

M5 Competition 4WD 07/2018-06/2023, 460 kw, 4395 ccm, 625 PS, Saloon, Petrol , ENG: S63 B44 B

520 d Mild-Hybrid Rear-Wheel Drive 11/2019-06/2023, 120 kw, 1995 ccm, 163 PS, Saloon, Mild Hybrid , ENG: B47 D20 B, JA1

520 i Rear-Wheel Drive 07/2017-, 135 kw, 1998 ccm, 184 PS, Saloon, Petrol , ENG: B46 B20 B, B48 B20 B, B48 B20 A

520 i Rear-Wheel Drive 07/2017-06/2020, 155 kw, 1998 ccm, 211 PS, Saloon, Petrol , ENG: B48 B20 B, B48 B20 A

540 i Rear-Wheel Drive 09/2016-06/2020, 265 kw, 2998 ccm, 360 PS, Saloon, Petrol , ENG: B58 B30 A

530 i Mild-Hybrid Rear-Wheel Drive 05/2022-06/2023, 180 kw, 1998 ccm, 245 PS, Saloon, Mild Hybrid , ENG: B46 B20 B, B48 B20 B

530 e Plug-in-Hybrid Rear-Wheel Drive 07/2019-06/2020, 170 kw, 1998 ccm, 231 PS, Saloon, Plug-In Hybrid , ENG: B48 B20 A, GC1

530 d Mild-Hybrid Rear-Wheel Drive 07/2020-06/2023, 210 kw, 2993 ccm, 286 PS, Saloon, Mild Hybrid , ENG: B57 D30 B, JA1

530 d Rear-Wheel Drive 09/2016-06/2020, 195 kw, 2993 ccm, 265 PS, Saloon, Diesel , ENG: B57 D30 A

BMW 5 Touring (G31) From 03/2017

530 i xDrive 4WD 05/2022-, 180 kw, 1998 ccm, 245 PS, Estate, Petrol , ENG: B48 B20 B

518 d Rear-Wheel Drive 07/2018-06/2020, 110 kw, 1995 ccm, 150 PS, Estate, Diesel , ENG: B47 D20 B

520 d Rear-Wheel Drive 03/2017-, 120 kw, 1995 ccm, 163 PS, Estate, Diesel , ENG: B47 D20 A, B47 D20 B

520 i Rear-Wheel Drive 07/2017-06/2020, 120 kw, 1998 ccm, 163 PS, Estate, Petrol , ENG: B48 B20 A

530 e Plug-in-Hybrid Rear-Wheel Drive 11/2020-, 215 kw, 1998 ccm, 292 PS, Estate, Plug-In Hybrid , ENG: B48 B20 A, GC1

530 d Rear-Wheel Drive 03/2017-06/2020, 195 kw, 2993 ccm, 265 PS, Estate, Diesel , ENG: B57 D30 A

530 d Mild-Hybrid Rear-Wheel Drive 07/2020-, 183 kw, 2993 ccm, 249 PS, Estate, Mild Hybrid , ENG: B57 D30 B, JA1

520 d Mild-Hybrid Rear-Wheel Drive 11/2019-, 140 kw, 1995 ccm, 190 PS, Estate, Mild Hybrid , ENG: B47 D20 B, JA1

530 d Mild-Hybrid Rear-Wheel Drive 07/2020-, 210 kw, 2993 ccm, 286 PS, Estate, Mild Hybrid , ENG: B57 D30 B, JA1

520 i Rear-Wheel Drive 07/2017-06/2020, 155 kw, 1998 ccm, 211 PS, Estate, Petrol , ENG: B48 B20 A

530 i Rear-Wheel Drive 03/2017-06/2020, 185 kw, 1998 ccm, 252 PS, Estate, Petrol , ENG: B48 B20 B

518 d Mild-Hybrid Rear-Wheel Drive 07/2020-, 110 kw, 1995 ccm, 150 PS, Estate, Mild Hybrid , ENG: B47 D20 B, JA1

520 i Mild-Hybrid Rear-Wheel Drive 07/2020-, 135 kw, 1998 ccm, 184 PS, Estate, Mild Hybrid , ENG: JA1, B48 B20 A

530 i Mild-Hybrid Rear-Wheel Drive 07/2022-, 180 kw, 1998 ccm, 245 PS, Estate, Mild Hybrid , ENG: B48 B20 B

520 i Mild-Hybrid Rear-Wheel Drive 07/2020-, 120 kw, 1998 ccm, 163 PS, Estate, Mild Hybrid , ENG: JA1, B48 B20 A

518 d Rear-Wheel Drive 07/2018-06/2020, 100 kw, 1995 ccm, 136 PS, Estate, Diesel , ENG: B47 D20 B

525 d Rear-Wheel Drive 07/2017-06/2019, 170 kw, 1995 ccm, 231 PS, Estate, Diesel , ENG: B47 D20 B

530 i Rear-Wheel Drive 05/2022-, 180 kw, 1998 ccm, 245 PS, Estate, Petrol , ENG: B48 B20 B

520 d Rear-Wheel Drive 03/2017-, 140 kw, 1995 ccm, 190 PS, Estate, Diesel , ENG: B47 D20 A, B47 D20 B

520 d Mild-Hybrid Rear-Wheel Drive 11/2019-, 120 kw, 1995 ccm, 163 PS, Estate, Mild Hybrid , ENG: B47 D20 B, JA1

520 E PLUG-IN-HYBRID Rear-Wheel Drive 03/2021-05/2022, 150 kw, 1998 ccm, 204 PS, Estate, Plug-In Hybrid , ENG: B48 B20 A, GC1

530 i Mild-Hybrid Rear-Wheel Drive 07/2020-, 185 kw, 1998 ccm, 252 PS, Estate, Mild Hybrid , ENG: B48 B20 B, JA1

518 d Mild-Hybrid Rear-Wheel Drive 07/2020-, 100 kw, 1995 ccm, 136 PS, Estate, Mild Hybrid , ENG: B47 D20 B, JA1

520 i Rear-Wheel Drive 07/2017-06/2020, 135 kw, 1998 ccm, 184 PS, Estate, Petrol , ENG: B48 B20 A

530 e Plug-in-Hybrid Rear-Wheel Drive 11/2020-, 200 kw, 1998 ccm, 272 PS, Estate, Plug-In Hybrid , ENG: B48 B20 A, GC1

525 d Rear-Wheel Drive 07/2017-06/2019, 155 kw, 1995 ccm, 211 PS, Estate, Diesel , ENG: B47 D20 B

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.