Arnott Industries AS-3403 front left air suspension strut for the 2016-2022 BMW 740i and other vehicles holds up the corner of the car and damps wheel movement. It is a complete assembly with the air spring and damper together, and it works with the vehicle's auto leveling functionality.
- Hydraulic, gas-charged damper with a progressive spring rate
- Multi-ply Continental ContiTech air spring sleeve for strength and extended service life
- CNC-machined top mount made from aircraft-quality aluminum
- Heavy-duty crimping rings, O-rings and bump stop in the assembly
Quick facts
- Part: Arnott Industries AS-3403 air suspension strut
- Fits: 2016-2022 BMW 740i and other vehicles
- Position: Front left
- Condition: New
A corner that sits low, a bouncy ride or oil on the damper can mean a strut is worn. Before replacing it, look the strut over with the engine off and find the cause, because a leak elsewhere in the air system or a weak compressor can also let a corner sag.
Fits
This strut is a direct-fit replacement for the 2016-2022 BMW 740i, the 2020-2022 BMW 745e and the 2016-2019 BMW 750i. If your BMW is not named here, look it up in the "Vehicles it fits" section. This listing is one strut for the front left; one strut goes on each side of the front axle, and the other side is normally done at the same time.
Specifications
Fit and size
- Position: Front left
- Quantity per vehicle: 1
- Upper mount type: Stud
- Lower mount type: Clevis
- Body end measuring point: Center eye
- Rod end measuring point: Shoulder of stud
Build and materials
- Internal damper type: Hydraulic, gas charged
- Spring rate: Progressive
- Air adjustable: Yes
- Adjustable damping: No
- Condition: New
- Country of origin: United States
In the box
One air suspension strut with mounting hardware, a bearing plate, spring isolators, an upper mounting isolator and a boot. The spring seat and lower mounting isolator are not included.
Installation notes
- Comes pre-assembled.
- Detailed installation instructions are available.
Interchange: 37106874587 · 37106877553 · 37106877555 · 37106899037 · 37106899039 · 37107915969
This part cross-references / interchanges with the following part numbers:
37106874587, 37106877553, 37106877555, 37106899037, 37106899039, 37107915969
Frequently Asked Questions
Is the Arnott Industries AS-3403 front left strut right for a 2020-2022 BMW 745e?
Yes. Arnott Industries AS-3403 is listed for the 2020-2022 BMW 745e as a front left air suspension strut. The 2016-2019 BMW 750i is listed too.
Does the AS-3403 air strut come with the bearing plate and mounting hardware?
Yes. Arnott AS-3403 includes mounting hardware, a bearing plate, spring isolators, an upper mounting isolator and a boot. The spring seat and lower mounting isolator are not included.
What kind of damper is in this Arnott air suspension strut?
It has a hydraulic, gas-charged damper with a progressive spring rate. The damping is not adjustable, and the strut is air adjustable.
How can I tell if a front air suspension strut is leaking or worn?
Look for oil on the damper, cracks in the air sleeve, or a floaty, bouncy ride. A shop can test the air system itself.
Does the AS-3403 strut need assembling before it goes on the car?
No. This strut comes pre-assembled, and detailed installation instructions are available.
