9 Suspension parts are listed for the 2021 BMW M135I, 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 2021 BMW M135I, 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 (3 parts), Sway Bar Link (3 parts) and Ride Height Sensor (2 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 BMW M135I.
The most listed brands for 2021 BMW M135I suspension parts are DORMAN (5 parts), LESJÖFORS (1 part) and ARNOTT (1 part), plus 2 more brands. Quality grades include Daily Driver and Economy.
Each part number listed for the 2021 BMW M135I opens a page with every vehicle that part fits.
Coil Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LESJÖFORS | 4208479 | 🇲🇽 MX | RearBody code F20 | View on Amazon |
This table covers the coil springs that carry vehicle weight at each corner. Typical signs include a sagging corner, a clunk through the spring, or a broken coil that you can see from the wheel well. Replace springs in axle pairs and inspect the seats and isolators while the spring is out.
One part is listed for the 2021 BMW M135I — LESJÖFORS 4208479.
Control Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 528197 | 🇲🇽 MX | Rear LowerLateral Arm | View on Amazon |
| DORMAN | 527135 | 🇲🇽 MX | Complete Arm with Ball Joint | View on Amazon |
| DORMAN | 527136 | 🇲🇽 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.
3 Control Arm parts for the 2021 BMW M135I come from DORMAN.
This group includes DORMAN 528197, DORMAN 527135 and DORMAN 527136.
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 for the 2021 BMW M135I come from 2 brands — ARNOTT and MONROE.
Listed part numbers: ARNOTT RH3718 and MONROE HS10203.
Sway Bar Link
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 541956 | 🇲🇽 MX | Rear | View on Amazon |
| DORMAN | 541814 | 🇲🇽 MX | Front | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | SL14395 | 🇲🇽 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.
3 Sway Bar Link parts for the 2021 BMW M135I come from 2 brands — DORMAN and FVP.
In the Daily Driver grade, DORMAN supplies 2 parts: grouped for everyday commuting duty. A representative part number is DORMAN 541956.
The Economy section lists 1 option from FVP — the catalog's value-priced group. FVP SL14395 is listed in this group.
Listed part numbers: DORMAN 541956, DORMAN 541814 and FVP SL14395.
Buying Suspension Parts for a 2021 BMW M135I
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 Sway Bar Link .
Frequently Asked Questions
How many suspension parts fit the 2021 BMW M135I?
Our catalog currently lists 9 suspension parts for the 2021 BMW M135I across 4 subcategories and 5 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 2021 BMW M135I?
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 2021 BMW M135I 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 M135I?
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 2021 BMW M135I
Suspension Parts for Other BMW M135I 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.