What is the function of the steering knuckle on BMW 335i?

The steering knuckle or 'swivel bearing' is one of the two outboard attachment points for the suspension arms apart from acting as a wheel hub and carrier for the wheel bearing. The wheel bearings are factory sealed and therefore do not need to be serviced. Whereas in the rear drive models, the wheel bearing and hub assembly is just bolted to the steering knuckle, in the xDrive models, it is pressed onto the steering knuckle and requires the use of several special tools for removal. Well, it is different depending on the model, in xDrive models for an example, when you remove the wheel hub the bearing is destroyed and therefore, one needs to use the correct procedure for the model in question.

Genuine BMW Steering Knuckle

Front Steering Knuckle

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301 Steering Knuckles found

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BMW Left Carrier
Part Number: 31216876645
$341.06 MSRP: $442.42
You Save: $101.36 (23%)
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Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
- Replaces: 31-21-6-870-837
Fits the following BMW Models:
- 228i Gran Coupe | 2021-2024 | 4 Cyl 2.0 L GAS
- 228i xDrive Gran Coupe | 2020-2024 | 4 Cyl 2.0 L GAS, F44
- M235i xDrive Gran Coupe | 2020-2024 | 4 Cyl 2.0 L GAS, F44
- X1 | 2016-2022 | 4 Cyl 2.0 L GAS, sDrive28i(F48), xDrive28i(F48)
- X2 | 2018-2023 | 4 Cyl 2.0 L GAS, M35i(F39), sDrive28i(F39), xDrive28i(F39)
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BMW Left Carrier
Part Number: 31216853819
$359.01 MSRP: $465.71
You Save: $106.70 (23%)
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Product Specifications
- Other Name: Carrier, Left; Knuckle, Strut
- Position: Driver Side
Fits the following BMW Models:
- 228i xDrive | 2015-2016 | Convertible N20 Engine(F23), Convertible N26 Engine(F23), Coupe N20 Engine(F22), Coupe N26 Engine(F22)
- 230i xDrive | 2017-2021 | 4 Cyl 2.0 L GAS, Convertible(F23), Coupe(F22)
- 320i xDrive | 2013-2018 | Sedan(F30)
- 328d xDrive | 2014-2018 | Sedan(F30), Wagon(F31)
- 328i xDrive | 2013-2016 | Sedan N20 Engine(F30), Sedan N26 Engine(F30), Sedan(F30), Wagon(F31)
- 330i xDrive | 2017-2019 | Sedan(F30), Wagon(F31)
- 335i xDrive | 2013-2015 | Sedan(F30)
- 340i xDrive | 2016-2018 | Sedan(F30)
- 430i xDrive | 2017 | Convertible(F33), Coupe(F32)
- M2 | 2021 | 6 Cyl 3.0 L GAS
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BMW Left Carrier
Part Number: 31216882597
$369.77 MSRP: $479.67
You Save: $109.90 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- X3 | 2018-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), sDrive30i(G01), xDrive30e(G01), xDrive30i(G01)
- X3 M | 2021-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- X4 | 2019-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), xDrive30i(G02)
- X4 M | 2021-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW Right Carrier
Part Number: 31216876646
$341.06 MSRP: $442.42
You Save: $101.36 (23%)
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Product Specifications
- Other Name: Carrier, Right; Knuckle
- Position: Passenger Side
- Replaces: 31-21-6-870-838
Fits the following BMW Models:
- 228i Gran Coupe | 2021-2024 | 4 Cyl 2.0 L GAS
- 228i xDrive Gran Coupe | 2020-2024 | 4 Cyl 2.0 L GAS, F44
- M235i xDrive Gran Coupe | 2020-2024 | 4 Cyl 2.0 L GAS, F44
- X1 | 2016-2022 | 4 Cyl 2.0 L GAS, sDrive28i(F48), xDrive28i(F48)
- X2 | 2018-2023 | 4 Cyl 2.0 L GAS, M35i(F39), sDrive28i(F39), xDrive28i(F39)
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BMW Left Carrier
Part Number: 31216859003
$359.01 MSRP: $465.71
You Save: $106.70 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- 428i xDrive | 2014-2016 | Convertible N20 Engine(F33), Convertible N26 Engine(F33), Convertible(F33), Coupe N20 Engine(F32), Coupe N26 Engine(F32)
- 428i xDrive Gran Coupe | 2015-2016 | N20 Engine(F36), N26 Engine(F36)
- 430i xDrive | 2017-2020 | Convertible(F33), Coupe(F32)
- 430i xDrive Gran Coupe | 2017-2020 | F36
- 435i xDrive | 2014-2016 | Convertible(F33), Coupe(F32)
- 435i xDrive Gran Coupe | 2015-2016 | F36
- 440i xDrive | 2017-2020 | Convertible(F33), Coupe(F32)
- 440i xDrive Gran Coupe | 2017-2020 | F36
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BMW Right Carrier
Part Number: 31216869870
$508.99 MSRP: $665.97
You Save: $156.98 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Right; Knuckle, Knuckle Assembly
- Position: Passenger Side
- Replaces: 31-21-6-773-784
Fits the following BMW Models:
- X5 | 2007-2018 | 3.0si(E70), 4.8i(E70), sDrive35i(F15), xDrive30i(E70), xDrive35d(E70), xDrive35d(F15), xDrive35i(E70), xDrive35i(F15), xDrive40e(F15), xDrive48i(E70), xDrive50i(E70), xDrive50i(F15)
- X5 M | 2015-2018, 2010-2013 | E70, F85
- X6 | 2008-2019 | ActiveHybrid(E72), sDrive35i(F16), xDrive35i(E71), xDrive35i(F16), xDrive50i(E71), xDrive50i(F16)
- X6 M | 2010-2019 | E71, F86
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BMW Right Carrier
Part Number: 31216792288
$326.37 MSRP: $423.38
You Save: $97.01 (23%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Carrier, Right; Knuckle
- Position: Passenger Side
- Replaces: 31-21-6-867-736
Fits the following BMW Models:
- 320i | 2013-2018 | Sedan(F30)
- 328d | 2014-2018 | Sedan(F30)
- 328i | 2012-2016 | N20 Engine(F30), N26 Engine(F30), Sedan N20 Engine(F30), Sedan N26 Engine(F30), Wagon(F31)
- 330e | 2016-2018 | Sedan(F30)
- 330i | 2017-2018 | Sedan(F30)
- 335i | 2012-2015 | Sedan(F30)
- 340i | 2016-2018 | Sedan(F30)
- ActiveHybrid 3 | 2013-2015 | Sedan(F30)
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BMW Steering Knuckle, Left
Part Number: 31216858313
$359.01 MSRP: $465.71
You Save: $106.70 (23%)
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Product Specifications
- Other Name: Swivel Bearing, Camber Correction, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- 428i | 2014-2016 | Convertible N20 Engine(F33), Convertible N26 Engine(F33), Convertible(F33), Coupe N20 Engine(F32), Coupe N26 Engine(F32)
- 428i Gran Coupe | 2015-2016 | N20 Engine(F36), N26 Engine(F36)
- 430i | 2017-2020 | Convertible(F33), Coupe(F32)
- 430i Gran Coupe | 2017-2020 | F36
- 435i | 2014-2016 | Convertible(F33), Coupe(F32)
- 435i Gran Coupe | 2015-2016 | F36
- 440i | 2017-2020 | Convertible(F33), Coupe(F32)
- 440i Gran Coupe | 2017-2020 | F36
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BMW Left Carrier
Part Number: 31216869869
$508.99 MSRP: $665.97
You Save: $156.98 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Left; Knuckle, Knuckle Assembly
- Position: Driver Side
- Replaces: 31-21-6-773-783
Fits the following BMW Models:
- X5 | 2007-2018 | 3.0si(E70), 4.8i(E70), sDrive35i(F15), xDrive30i(E70), xDrive35d(E70), xDrive35d(F15), xDrive35i(E70), xDrive35i(F15), xDrive40e(F15), xDrive48i(E70), xDrive50i(E70), xDrive50i(F15)
- X5 M | 2015-2018, 2010-2013 | E70, F85
- X6 | 2008-2019 | ActiveHybrid(E72), sDrive35i(F16), xDrive35i(E71), xDrive35i(F16), xDrive50i(E71), xDrive50i(F16)
- X6 M | 2010-2019 | E71, F86
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BMW Right Carrier
Part Number: 31216882598
$369.77 MSRP: $479.67
You Save: $109.90 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Carrier, Right; Knuckle
- Position: Passenger Side
Fits the following BMW Models:
- X3 | 2018-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), sDrive30i(G01), xDrive30e(G01), xDrive30i(G01)
- X3 M | 2021-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- X4 | 2019-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), xDrive30i(G02)
- X4 M | 2021-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW Steering Knuckle, Left
Part Number: 31216882599
$369.77 MSRP: $479.67
You Save: $109.90 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Swivel Bearing, Camber Correction, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- X3 | 2018-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), M40i(G01), sDrive30i(G01), xDrive30e(G01), xDrive30i(G01)
- X3 M | 2021-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- X4 | 2019-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), M40i(G02), xDrive30i(G02)
- X4 M | 2021-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW Right Carrier
Part Number: 31212284002
$391.65 MSRP: $508.06
You Save: $116.41 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Right; Knuckle, Strut
- Position: Passenger Side
Fits the following BMW Models:
- M2 | 2016-2021 | 6 Cyl 3.0 L GAS, Competition(F87), Coupe(F87)
- M3 | 2015-2018 | Sedan(F80)
- M4 | 2015-2020 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)
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BMW Left Carrier
Part Number: 31216792287
$326.37 MSRP: $423.38
You Save: $97.01 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
- Replaces: 31-21-6-867-735
Fits the following BMW Models:
- 320i | 2013-2018 | Sedan(F30)
- 328d | 2014-2018 | Sedan(F30)
- 328i | 2012-2016 | N20 Engine(F30), N26 Engine(F30), Sedan N20 Engine(F30), Sedan N26 Engine(F30), Wagon(F31)
- 330e | 2016-2018 | Sedan(F30)
- 330i | 2017-2018 | Sedan(F30)
- 335i | 2012-2015 | Sedan(F30)
- 340i | 2016-2018 | Sedan(F30)
- ActiveHybrid 3 | 2013-2015 | Sedan(F30)
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BMW Left Carrier
Part Number: 31216777751
$508.99 MSRP: $665.97
You Save: $156.98 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
- Replaces: 31-21-4-082-761
Fits the following BMW Models:
- 528i xDrive | 2012-2016 | Sedan(F10)
- 535d xDrive | 2014-2016 | Sedan(F10)
- 535i xDrive | 2011-2016 | Sedan(F10)
- 550i xDrive | 2011-2016 | Sedan(F10)
- 640i xDrive | 2014-2018 | Convertible(F12), Coupe(F13)
- 640i xDrive Gran Coupe | 2014-2019 | F06
- 650i xDrive | 2012-2018 | Convertible(F12), Coupe(F13)
- 650i xDrive Gran Coupe | 2013-2019 | F06
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BMW Carrier Left
Part Number: 31206878609
$336.17 MSRP: $436.09
You Save: $99.92 (23%)
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Product Specifications
- Other Name: CARRIER, LEFT; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- 330e | 2021-2024 | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- 330i | 2019-2025 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)
- 430i | 2021-2024 | 4 Cyl 2.0 L GAS
- M340i | 2020-2025 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)
- M440i | 2021-2024 | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW Steering Knuckle, Left
Part Number: 31216858311
$359.01 MSRP: $465.71
You Save: $106.70 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Swivel Bearing, Camber Correction, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- 428i | 2014-2016 | Convertible N20 Engine(F33), Convertible N26 Engine(F33), Convertible(F33), Coupe N20 Engine(F32), Coupe N26 Engine(F32)
- 428i Gran Coupe | 2015-2016 | N20 Engine(F36), N26 Engine(F36)
- 430i | 2017-2020 | Convertible(F33), Coupe(F32)
- 430i Gran Coupe | 2017-2020 | F36
- 435i | 2014-2016 | Convertible(F33), Coupe(F32)
- 435i Gran Coupe | 2015-2016 | F36
- 440i | 2017-2020 | Convertible(F33), Coupe(F32)
- 440i Gran Coupe | 2017-2020 | F36
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BMW Carrier Left
Part Number: 31219500209
$2989.90 MSRP: $3912.05
You Save: $922.15 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CARRIER, LEFT
- Position: Driver Side
- Replaces: 31-21-2-289-301
Fits the following BMW Models:
- M4 | 2016 | Coupe GTS(F82)
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BMW Left Carrier
Part Number: 31216777749
$508.99 MSRP: $665.97
You Save: $156.98 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Carrier, Left; Knuckle
- Position: Driver Side
- Replaces: 31-21-4-082-755
Fits the following BMW Models:
- 535i GT xDrive | 2011-2017 | F07
- 550i GT xDrive | 2010-2017 | F07
- 740Ld xDrive | 2015 | Sedan(F02)
- 740Li xDrive | 2013-2015 | Sedan(F02)
- 750i | 2011-2012 | ActiveHybrid(F04)
- 750i xDrive | 2010-2015 | Sedan(F01)
- 750Li | 2011-2012 | ActiveHybrid(F04)
- 750Li xDrive | 2010-2015 | Sedan(F02)
- Alpina B6 xDrive Gran Coupe | 2015-2019 | F06
- Alpina B7 xDrive | 2011-2015 | Sedan(F01)
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BMW Carrier Left
Part Number: 31216876655
$524.26 MSRP: $685.95
You Save: $161.69 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CARRIER, LEFT; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- X5 | 2019-2025 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV), 8 Cyl 4.4 L GAS, 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV), M50i(G05), xDrive40i(G05), xDrive50i(G05)
- X5 M | 2021-2025 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV), 8 Cyl 4.4 L GAS, 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV)
- X6 | 2020-2024 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 4.4 L GAS, 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV), M50i(G06), sDrive40i(G06), xDrive40i(G06)
- X6 M | 2021-2024 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 4.4 L GAS, 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV)
- X7 | 2019-2025 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 4.4 L GAS, 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV), M50i(G07), xDrive40i(G07), xDrive50i(G07)
- XM | 2023-2025 | 8 Cyl 4.4 L PLUG-IN HYBRID EV-GAS (PHEV)
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BMW Steering Knuckle, Left
Part Number: 31216882595
$369.77 MSRP: $479.67
You Save: $109.90 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Swivel Bearing, Camber Correction, Left; Knuckle
- Position: Driver Side
Fits the following BMW Models:
- X3 | 2018-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), M40i(G01), sDrive30i(G01), xDrive30e(G01), xDrive30i(G01)
- X3 M | 2021-2024 | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- X4 | 2019-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), M40i(G02), xDrive30i(G02)
- X4 M | 2021-2024 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW Steering Knuckle

In the suspension system, there is a crucial part named steering knuckle. The steering knuckle acts a bridge between suspension system and the wheel components. The steering knuckle is directly controlled by steering wheel. The steering knuckle turns the wheels in your car by a ball joint. If you are driving your car with a failing steering knuckle, then the angle is not that exact or precise, and also uneven tire wear and brake caliper failure will be caused. You can finish replacing a worn steering knuckle by yourself as long as you have some basic tools. And all you need to do now is to find a brand new high quality steering knuckle here. Since all we offer is BMW genuine OEM steering knuckle, you do not need to worry about quality issue, and you even don't need to care about price. We offer you a surprisingly cheap price.

BMW Steering Knuckle Parts Questions & Experts Answers

Left Carrier
31216793923
Q: What is the function of the steering knuckle on BMW 335i?
A:
The steering knuckle or 'swivel bearing' is one of the two outboard attachment points for the suspension arms apart from acting as a wheel hub and carrier for the wheel bearing. The wheel bearings are factory sealed and therefore do not need to be serviced. Whereas in the rear drive models, the wheel bearing and hub assembly is just bolted to the steering knuckle, in the xDrive models, it is pressed onto the steering knuckle and requires the use of several special tools for removal. Well, it is different depending on the model, in xDrive models for an example, when you remove the wheel hub the bearing is destroyed and therefore, one needs to use the correct procedure for the model in question.

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