Bilstein
B4 OE Replacement (Air)

Bilstein 44-191832 Air Suspension Strut - Rear Right

Brand Bilstein 44-191832
Position Rear Right
Finish Black paint
Internal Design Monotube
Lower Mount Type Eye 15.5mm
Series B4 oe replacement (air)
Title Bilstein shock absorbers
Upper Mount Type Multiple studs
Product line B4 OE Replacement (Air)
Fits BMW · 8 vehicles

OE replacement. Connects directly to original connectors for modification-free installation.

Monotube design. Delivers consistent damping performance in an air suspension strut.

OE supplier pedigree. Bilstein supplies air suspension systems to vehicle manufacturers.

$488.03Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Air Suspension Struts are typically replaced in pairs, axle by axle.
Order total $488.03
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bilstein B4 OE Replacement Air Strut

The Bilstein B4 OE Replacement (Air) strut is built for the rear right position on select BMW 7 Series models with self-leveling rear suspension and no electronic suspension. This Bilstein air suspension strut restores original ride characteristics while connecting directly to the factory system for a modification-free replacement.

Compatible with 2002-2005 BMW 745i and 745Li, this part number 44-191832 is an OE-style solution for drivers replacing a worn rear air strut on the BMW 745i or BMW 745Li. The black-painted monotube design supports consistent damping response in a direct-fit package.

Key Features

  • Bilstein B4 OE Replacement (Air) series for factory-style air suspension service
  • Rear right application for select 2002-2005 BMW 745i and 745Li models
  • Direct connection to original vehicle connectors for straightforward replacement
  • Monotube internal design for controlled damping performance
  • Black paint finish for corrosion-resistant appearance
  • Lower mount type: Eye 15.5mm
  • Upper mount type: Multiple studs

Product Details

Bilstein B4 OE Replacement (Air) dampers are engineered as direct replacements for original air suspension units used on many European vehicles. Bilstein supplies OE air suspension systems, and this replacement strut is built to meet the fitment and performance expectations associated with factory equipment. Part number 44-191832 is designed for the rear right corner and is specified for BMW 745i and BMW 745Li applications with self-leveling rear suspension and without electronic suspension.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Rear suspension sag on BMW 745i and 745Li models
  • Uneven ride height at the rear right corner
  • Loss of factory ride control from a worn air strut
  • Noisy or inconsistent suspension response from aging OE components
  • Restoration of original air suspension function after replacement

Installation Notes

Verify that the vehicle is a 2002-2005 BMW 745i or 745Li with self-leveling rear suspension and without electronic suspension before ordering. This rear right Bilstein air suspension strut is designed to connect to the original vehicle connectors, which supports a direct replacement process. Confirm mount style and suspension configuration against the removed part and vehicle build data before installation.

Quality Assurance

Bilstein is an OE supplier for air suspension systems, and the B4 OE Replacement (Air) line is built to match factory fitment requirements for European applications. Part number 44-191832 is produced to restore original suspension feel on the specified BMW 7 Series models.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2005BMW745iBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2005BMW745LiBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2004BMW745iBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2004BMW745LiBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2003BMW745iBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2003BMW745LiBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2002BMW745iBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)
2002BMW745LiBaseRear RightWith Self-Leveling Rear Suspension without Electronic Suspension; B4 OE Replacement (Air)