Arnott®Verified to fit 78 vehicles
| Vehicle | Trim | Engine |
|---|---|---|
| 2020 BMW 530eRear Left Upper Forward | — | L4 2.0LView details |
| 2020 BMW 530e xDriveRear Left Upper Forward | — | L4 2.0LView details |
| 2020 BMW 530iRear Left Upper Forward | — | L4 2.0LView details |
| 2020 BMW 530i xDriveRear Left Upper Forward | — | L4 2.0LView details |
| 2020 BMW 540iRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 540i xDriveRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 740iRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 740i xDriveRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 745e xDriveRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 750i xDriveRear Left Upper Forward | — | V8 4.4LView details |
| 2020 BMW 840iRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 840i Gran CoupeRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 840i xDriveRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW 840i xDrive Gran CoupeRear Left Upper Forward | — | L6 3.0LView details |
| 2020 BMW Alpina B7Rear Left Upper Forward | — | V8 4.4LView details |
Interchange Checker
Enter the number off your old part, a competitor listing, or the dealer part — we'll check the fitment.
This part is listed as interchangeable with these numbers:

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts

Guaranteed fit — or free return
Currently out of stock
Guaranteed to fitFits your vehicle or we pay the return. Learn more
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Free Returns if it doesn't fitRead Details
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
AutoBuffy 24-month guaranteeCovered on this part, unlimited miles. Learn more
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
4.9/5 ratingFrom 19,069 verified customers. Learn more
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.

Brand-first. Fitment-obsessed.
We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.



Top curated brands only
The brands automakers actually put on the car. No white-label mystery boxes.
We're obsessed with fitment
Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
Search any part number
The number off your old part, a competitor listing, or the dealer part — we cross it and confirm the match.

Rear Left Upper Forward Suspension Control Arm | ARNOTT CA-4509 Fits BMW Rolls-Royce
Out of stock · guaranteed fit or free return

Rear Left Upper Forward Suspension Control Arm | ARNOTT CA-4509 Fits BMW Rolls-Royce

Key Features
About This Suspension Control Arm
This ARNOTT automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection

ARNOTT
Trusted Automotive Brand
ARNOTT is a trusted manufacturer of quality automotive parts.
View all ARNOTT productsInstallation Guide
Tools Needed
Frequently Asked Questions
The Arnott Suspension Control Arm (CA-4509) is a direct-fit replacement for 2016-2020 BMW and Rolls-Royce vehicles. It cross-references 33 32 6 867 537. UPC 815710030793.
About This Product
Suspension Control Arm
The Arnott Suspension Control Arm (CA-4509) is a direct-fit replacement for 2016-2020 BMW and Rolls-Royce vehicles. It cross-references 33 32 6 867 537. UPC 815710030793.
This ARNOTT automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection

Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing

Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.




