Fitment Guarantee·Free Shipping $50+·Hassle Free Returns
4.9· 19,069 customers|Fit guaranteed
4.9from 19,069 verified customers
|"Perfect fit, exactly what I needed!"— John D.
Detroit Axle®Verified to fit 50 vehicles
| Vehicle | Trim | Engine |
|---|---|---|
| 2003 BMW 525iRear Upper Forward | Base | L6 2.5LView details |
| 2003 BMW 530iRear Upper Forward | Base | L6 3.0LView details |
| 2003 BMW 540iRear Upper Forward | Base | V8 4.4LView details |
| 2003 BMW M5Rear Upper Forward | Base | V8 4.9LView details |
| 2003 BMW M5Rear Upper Forward | Base | V8 5.0LView details |
| 2002 BMW 525iRear Upper Forward | Base | L6 2.5LView details |
| 2002 BMW 530iRear Upper Forward | Base | L6 3.0LView details |
| 2002 BMW 540iRear Upper Forward | Base | V8 4.4LView details |
| 2002 BMW M5Rear Upper Forward | Base | V8 4.9LView details |
| 2002 BMW M5Rear Upper Forward | Base | V8 5.0LView details |
| 2001 BMW 525iRear Upper Forward | Base | L6 2.5LView details |
| 2001 BMW 530iRear Upper Forward | Base | L6 3.0LView details |
| 2001 BMW 540iRear Upper Forward | Base | V8 4.4LView details |
| 2001 BMW 740iRear Upper Forward | Base | V8 4.4LView details |
| 2001 BMW 740iLRear Upper Forward | Base | V8 4.4LView details |
This kit includes the parts and their quantities below.
Rear Upper Forward Control Arm w/Ball Joint
Qty 2
Prices shown are the standalone value of each component — buying the kit bundles them together.
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
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.
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.
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.
The brand behind your
Suspension Control Arm and Ball Joint Assembly
Detroit Axle builds this Suspension Control Arm and Ball Joint Assembly to original-equipment standards.
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.
Detroit Axle - Rear Upper Forward Control Arms for BMW 525i 528i 530i 540i 740i
Guaranteed fit or free return
In stock· ships today
FREE shipping · Get it by Tue, Nov 3
Delivering to your area ·
FREE delivery between Tue, Nov 3 to Tue, Nov 3
Ships To:This Detroit Axle automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Trusted Automotive Brand
Detroit Axle is a trusted manufacturer of quality automotive parts.
View all Detroit Axle productsThe brand behind your
Suspension Control Arm and Ball Joint Assembly
Detroit Axle builds this Suspension Control Arm and Ball Joint Assembly to original-equipment standards.
The Detroit Axle Suspension Control Arm and Ball Joint Assembly (K620623 x2) is a direct-fit replacement for 1993-2003 BMW vehicles. It cross-references K620623. In stock and ships free.
Suspension Control Arm and Ball Joint Assembly
The Detroit Axle Suspension Control Arm and Ball Joint Assembly (K620623 x2) is a direct-fit replacement for 1993-2003 BMW vehicles. It cross-references K620623. In stock and ships free.
This Detroit Axle automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
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.
