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OE Quality
60-Day Returns
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BilsteinPart #: 40-221618
Bilstein 40-221618 Air Suspension Spring - Rear Right
⚙️ 7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$235.52Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦B3 OE Replacement (Air), Rear Right
🚗Fitment: BMW, X5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Air Suspension Spring options
Bilstein 40-221618 Air Suspension Spring - Rear Right
| Brand | Bilstein |
| Part Number | 40-221618 |
| Position | B3 OE Replacement (Air), Rear Right |
| Finish | Black paint |
| Series | B3 oe replacement (air) |
| Title | Bilstein shock absorbers |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2006 | BMW | X5 | 4.8is | Rear Right | B3 OE Replacement (Air) |
| 2005 | BMW | X5 | 4.8is | Rear Right | B3 OE Replacement (Air) |
| 2004 | BMW | X5 | 4.8is | Rear Right | B3 OE Replacement (Air) |
| 2003 | BMW | X5 | 4.6is | Rear Right | B3 OE Replacement (Air) |
| 2002 | BMW | X5 | 4.6is | Rear Right | B3 OE Replacement (Air) |
| 2001 | BMW | X5 | 4.4i | Rear Right | B3 OE Replacement (Air) |
| 2000 | BMW | X5 | 4.4i | Rear Right | B3 OE Replacement (Air) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
37 12 1 095 58037 12 6 750 35640-221588
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.