This page lists 23 steering parts for the 2021 BMW X4, across 4 part types, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The steering system on the 2021 BMW X4 connects driver to road through the rack, pump, tie rods, and column components. The largest groups are Tie Rod End (15 parts), Tie Rod Assembly (Inner & Outer) (6 parts) and O-Ring (1 part). The other 1 part type covers the remaining 1 part.
The 2021 BMW X4 was sold with both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. 22 parts fit every engine; the other 1 is engine-specific. Each part shows which engine(s) it fits.
8 brands supply steering parts for the 2021 BMW X4, led by DELPHI (6 parts), BECK/ARNLEY (4 parts) and SUSPENSIA (3 parts), plus 5 more brands. Quality grades include Daily Driver and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW X4. 5 parts have it, including BECK/ARNLEY 1018617 (Tie Rod Assembly (Inner & Outer)) and MOOG ES801671 (Tie Rod End). Each part number opens a page with every vehicle that part fits.
O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 Turbocharged | 311320 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M ModelBody code: F98 | View on Amazon |
This table covers the O-rings that seal this joint. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
This group shows a single part: ELRING 311320.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: all 2021 X4 engines | 1033179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
This group shows a single part: BECK/ARNLEY 1033179.
Tie Rod Assembly (Inner & Outer)
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: all 2021 X4 engines | TL2088 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| DELPHI Fits: all 2021 X4 engines | TL2089 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: all 2021 X4 engines | 1018617 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| BECK/ARNLEY Popular Fits: all 2021 X4 engines | 1018618 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: all 2021 X4 engines | TL2096 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| DELPHI Fits: all 2021 X4 engines | TL2097 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers complete inner-and-outer tie-rod assemblies.
6 Tie Rod Assembly (Inner & Outer) parts are listed for the 2021 BMW X4, from DELPHI and BECK/ARNLEY. BECK/ARNLEY 1018617 carries the "Popular" badge. All of them fit every engine offered in the 2021 X4.
The Daily Driver section lists 2 options from DELPHI — grouped for everyday commuting duty. DELPHI TL2088 is listed in this group.
In the Economy grade, BECK/ARNLEY supplies 2 parts: the catalog's value-priced group. A representative part number is BECK/ARNLEY 1018617.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Part numbers include BECK/ARNLEY 1018617, DELPHI TL2088 and DELPHI TL2089, among others listed above.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Popular Fits: all 2021 X4 engines | ES801671 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| SUSPENSIA Popular Fits: all 2021 X4 engines | X05TR0260 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| DELPHI Fits: all 2021 X4 engines | TA3459 | 🇺🇸 US 🇨🇦 CA | Front Left Outer | View on Amazon |
| DELPHI Fits: all 2021 X4 engines | TA3460 | 🇺🇸 US 🇨🇦 CA | Front Right Outer | View on Amazon |
| MOOG Fits: all 2021 X4 engines | ES801670 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| SUSPENSIA Fits: all 2021 X4 engines | X05TE0608 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| SUSPENSIA Fits: all 2021 X4 engines | X05TE0607 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 2021 X4 engines | 543302 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| BECK/ARNLEY Fits: all 2021 X4 engines | 1018616 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| DORMAN Fits: all 2021 X4 engines | 543929 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| DORMAN Fits: all 2021 X4 engines | 543930 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| MEVOTECH Fits: all 2021 X4 engines | GS106208 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| MEVOTECH Fits: all 2021 X4 engines | GS106209 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: all 2021 X4 engines | V204159 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right OuterFront Axle | View on Amazon |
| VAICO Fits: all 2021 X4 engines | V204160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left OuterFront Axle Left | View on Amazon |
This table covers the inner and outer tie-rod ends that steer each front knuckle. Typical signs include play on center, a feathered front tire, or a boot that has split and packed with grit. Replace inner and outer ends together on a high-mileage axle, then get an alignment.
15 Tie Rod End parts for the 2021 BMW X4 come from 7 brands — SUSPENSIA, DORMAN, MOOG and 4 other brands. The "Popular" part is MOOG ES801671. Every part fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged.
Daily Driver: 7 parts, from SUSPENSIA, MOOG and DELPHI. A representative part number is MOOG ES801671.
The Economy section: 6 options from DORMAN, MEVOTECH and BECK/ARNLEY. DORMAN 543302 is listed in this group.
2 further parts sit outside the graded sections, with the same engine-level match.
Buying Steering Parts for a 2021 BMW X4
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Match the engine first. Some steering parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Tie Rod End and Tie Rod Assembly (Inner & Outer) .
Frequently Asked Questions
How many steering parts fit the 2021 BMW X4?
Our catalog currently lists 23 steering parts for the 2021 BMW X4 across 4 subcategories and 8 brands, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do steering parts differ between 2021 BMW X4 engines?
Some do. 22 parts fit every engine; the other 1 is engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of steering problems on a 2021 BMW X4?
Common symptoms include play or looseness on center, a whine when turning, fluid weeping from rack boots, or uneven tire wear on the front axle. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 BMW X4 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 BMW X4?
First match the engine — each row shows which engine(s) the part fits. Then flush old power-steering fluid when replacing a pump or rack — grit in the old fluid is the number-one cause of repeat failure. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X4
Steering Parts for Other BMW X4 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.