11 Suspension parts are listed for the 2018 BMW 520I, in 4 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 BMW 520I, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. Most of the listed parts are Control Arm (5 parts), Control Arm Bushing (2 parts) and Ride Height Sensor (2 parts). The other 1 part type covers the remaining 2 parts.
The 2018 BMW 520I came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
3 brands supply suspension parts for the 2018 BMW 520I, led by DORMAN (9 parts), ARNOTT (1 part) and MONROE (1 part).
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 BMW 520I. 1 part has it: DORMAN 526589 (Control Arm). Each part number opens a page with every vehicle that part fits.
Control Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 526589 | 🇲🇽 MX | Complete Arm with Ball Joint | View on Amazon |
| DORMAN | 526702 | 🇲🇽 MX | Complete Arm with Ball Joint | View on Amazon |
| DORMAN | 520831 | 🇲🇽 MX | Rear Left Upper ForwardLateral Arm | View on Amazon |
| DORMAN | 520832 | 🇲🇽 MX | Rear Right Upper ForwardLateral Arm | View on Amazon |
| DORMAN | 526590 | 🇲🇽 MX | Complete Arm with Ball Joint | View on Amazon |
This table covers the control arms that locate each hub relative to the chassis. Typical signs include clunks over bumps, a wander on the highway, or inner-edge tire wear. Get an alignment after any control-arm work, and inspect the ball joint and bushings that came with the arm.
DORMAN supplies the 5 Control Arm parts for the 2018 BMW 520I. DORMAN 526589 carries the "Popular" badge.
This group includes DORMAN 526589, DORMAN 526702 and DORMAN 520831 and the remaining parts above.
Control Arm Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 533630 | 🇲🇽 MX | Front Lower Rearward Inner | View on Amazon |
| DORMAN | 533631 | 🇲🇽 MX | Front Lower Rearward At Strut Fork | View on Amazon |
This table covers the bushings pressed into each control arm. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
DORMAN supplies both parts for the 2018 BMW 520I.
This group includes DORMAN 533630 and DORMAN 533631.
Ride Height Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARNOTT | RH3718 | 🇲🇽 MX | Fits Rear | View on Amazon |
| MONROE | HS10203 | 🇲🇽 MX | Fits Frontwith Air Suspension | View on Amazon |
This table covers the Ride Height sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
2 Ride Height Sensor parts are listed for the 2018 BMW 520I, from ARNOTT and MONROE.
This group includes ARNOTT RH3718 and MONROE HS10203.
Sway Bar Link
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 541836 | 🇲🇽 MX | Rear | View on Amazon |
| DORMAN | 541815 | 🇲🇽 MX | Front | View on Amazon |
This table covers the links that connect the anti-roll bar to each control arm or strut. Typical signs include a clunk on one wheel over a driveway, or a rattle that goes away when you lean on the bar. Replace links in pairs; a seized stud often takes the bushing with it.
DORMAN supplies both parts for the 2018 BMW 520I.
Listed part numbers: DORMAN 541836 and DORMAN 541815.
Buying Suspension Parts for a 2018 BMW 520I
On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Control Arm and Control Arm Bushing .
Frequently Asked Questions
How many suspension parts fit the 2018 BMW 520I?
Our catalog currently lists 11 suspension parts for the 2018 BMW 520I across 4 subcategories and 3 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of suspension problems on a 2018 BMW 520I?
Common symptoms include clunks over speed bumps, wandering steering, cupped tire wear, or a nose that keeps bouncing after a dip. 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 shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.
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 2018 BMW 520I 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 2018 BMW 520I?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. Then worn bushings often mimic bad shocks — inspect before buying, and remember loaded vs unloaded strut assemblies differ in labor by hours. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 BMW 520I
Suspension Parts for Other BMW 520I Years
Switch vehicle or jump to a subcategory
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.