G38 BMW X5 Series Spring Shock Absorber Cartridge Core Replacement OEM
Price:
Negotiable
MOQ:
1 pc
Delivery Time:
3-15days
Brand:
FHD
Product Description
G38 BMW 5 Series Rear Left Air Shock Cartridge Core Unit New Replacement
Product Overview
Sturdy Load-Bearing, OE Specification Air Shock Absorber Core (Strut Only) For BMW G38 Rear Left Position (Strut Only, Without Air Spring)
Specifications
| Vehicle Application | BMW 5 Series Long Wheelbase (G38, 2017-2023) |
|---|---|
| Installation Position | Rear Left (Vehicle Left Side, Driver's Side Rear on LHD Vehicles) |
| Component Type | Shock Absorber Core / Strut Only (Without Air Spring, Must Be Used with Original or New Air Spring) |
Product Description
This air shock absorber core (strut) is designed for the rear air suspension system of the BMW G38 chassis, specifically for the rear left (driver's side rear) position. This product is a strut-only component and does not include an air spring. It is suitable for repair scenarios where the original rear air spring is still fully functional but the strut damping has degraded or failed.
As the long wheelbase version of the BMW 5 Series, the G38 chassis extends the wheelbase based on the standard G30, requiring the rear axle to accommodate greater load variations from the increased rear seat space. The rear strut primarily handles the load-bearing and stabilization tasks at the rear of the vehicle, focusing on suppressing rear-end squat during acceleration, filtering road impacts transmitted through the rear wheels, and maintaining vehicle level under load conditions.
Through an internal hydraulic valve system, it regulates compression and rebound rates, working in coordination with the rear air spring, rear lower control arm, stabilizer bar and subframe to form the rear portion of the BMW adaptive air suspension system.
The G38 rear left strut is located on the driver's side rear and must accommodate the offset fuel tank load as well as the load from rear left passengers. This product is manufactured to original equipment structural dimensions, with the lower mounting bush hole positions, top fixing threads, and bump stop height limits all consistent with original factory specifications, allowing direct replacement of the old strut without any modifications.
Key Features
- Independent Strut (No Air Spring): Designed for scenarios where the air spring is intact and only the strut has failed, reducing complete assembly replacement cost
- Position Specific: Designed specifically for the rear left (driver's side rear) position; left and right damping characteristics differ and are not interchangeable
- Long Wheelbase Adapted: Damping is matched to the increased load on the G38 long wheelbase rear axle
- Load Optimized: Valve tuning is calibrated for rear axle load demands, suppressing rear-end squat under heavy load or acceleration
- Comfort Oriented: Damping settings lean toward softness, maintaining the premium rear-seat ride quality of the 5 Series
- Factory Verified: Each unit undergoes damping force curve matching testing and air tightness verification
Important Note
⚠️ This product is suitable for the BMW G38 chassis 5 Series Long Wheelbase (2017-2023), including 525Li, 530Li, 540Li and other versions. The G38 and standard wheelbase G30 rear struts are partially compatible, but it is recommended to confirm based on the OE part number. Differences may exist between different model years and configurations. Please verify the original OE part number or VIN code before purchasing.
Warehouse & Workshop
Keep dry, clean and handle with care.
Packing & Delivery
Professional, environmentally friendly, and efficient packaging services ensure the safety of your goods during transit.
Frequently Asked Questions
Q1: How can I tell whether the BMW G38 rear left strut is already damaged?
Common signs of damage include: a dull "thumping" noise when the left rear wheel goes over speed bumps, the left rear body side being noticeably lower than the right (but vehicle height returns to normal after sitting overnight), a noticeable rear-end squat to the lower left side during acceleration, and stronger bumpiness on the left rear side than the right. A simple self-check method: after stopping the vehicle, press down firmly on the left rear fender and release quickly. If the body bounces up and down more than twice before stopping, the damping on the left side has significantly degraded. Because the G38 long wheelbase version has a longer body, the rocking feel after damage will be more pronounced than on the standard wheelbase version.
Q2: Are the G38 rear left and rear right struts interchangeable?
No, they are not interchangeable. Although similar in appearance, the left and right rear struts on the G38 differ in internal damping valve calibration to accommodate the left-right load difference caused by rear passenger distribution and fuel tank location on the long wheelbase model. Forcibly swapping them will result in different rebound rhythms on both sides of the rear axle when going over speed bumps, affecting driving stability. Before purchasing, please confirm whether it is "rear left" or "rear right".
Q3: After replacing the rear left strut, is it necessary to also replace the rear right strut?
Replacing in pairs is not mandatory; the left side can be replaced alone. However, note that the G38 is a long wheelbase model with larger rear seat space, making left-right suspension damping differences more noticeable in terms of ride comfort than on the standard wheelbase version. If the right side strut has been in service for a long time (over 70,000 km or 5+ years), it is recommended to replace both sides as a pair. Otherwise, you may experience inconsistent rear-end rebound when going over speed bumps and increased rear-seat rocking.
Q4: After replacing the strut, the instrument panel shows a "Chassis Function Restricted" warning, but the vehicle drives normally. What is the cause?
This situation is usually not a problem with the strut itself, but rather the air suspension system has not been reset after installation. After replacing rear suspension components on a BMW G38, a diagnostic tool (such as ISTA or a compatible device) is required to perform "height calibration" and "component matching" on the air suspension system. Even if the strut is physically installed correctly, the system may still report an error due to height sensor zero-point offset. It is recommended to connect a diagnostic tool after installation, clear the fault codes, and perform rear axle height initialization.
Q5: What accessories are recommended to replace at the same time as the rear left strut?
It is recommended to replace the following accessories simultaneously: the rear strut dust boot (if aged and cracked, dirt can enter and damage the oil seal), the upper bump stop (may harden or crumble after long-term compression), and the top nut securing the piston rod (the original is a self-locking nut, which loses locking force after removal). In addition, check the left rear stabilizer bar link ball joint for looseness and check the rear axle height sensor link for integrity. As a mid-to-large sedan, the G38 experiences faster accessory wear, so a thorough inspection is recommended.
Q6: After replacing the strut, the rear left suspension feels stiffer or bumpier than before. Is this normal?
Yes, this is normal. Over long-term use, the damping oil inside the old strut gradually degrades and damping force decreases. The driver has become accustomed to the softer suspension feel. After the new strut restores the original factory damping level, rear seat passengers may feel more fine vibrations. The long wheelbase G38 has higher demands for rear seat comfort, so the "stiffer" feel of the new strut will be more noticeable than on the standard wheelbase version. Typically, after driving 300-500 km, the strut will gradually break in to a stable condition. If the rear axle still feels noticeably bumpy after more than 800 km, check whether the installation is correct or whether the correct model was matched.
Q7: There is a "creaking" or "squeaking" noise from the left rear wheel area while driving after strut replacement. What is the cause?
This type of noise requires careful diagnosis on the G38. Common causes include: 1) The top nut of the strut is not tightened to the specified torque, causing relative movement between the strut and the body strut tower; 2) The dust boot is not installed properly and is rubbing against the strut body; 3) The left rear stabilizer bar link ball joint is aged, producing noise when working with the new strut; 4) The parking brake cable or height sensor wiring harness is pinched between the strut and the body during installation. It is recommended to remove the left rear wheel, check whether all accessories are installed in the correct positions, and confirm the condition of the stabilizer bar link.
Q8: Is a wheel alignment (chassis angle calibration) necessary after replacing the G38 rear left strut?
Rear axle alignment is recommended. The G38 chassis 5 Series rear suspension is a multi-link design. Removing the strut involves disconnecting the lower control arm from the subframe, which may affect rear wheel toe and camber after installation. Common consequences of skipping wheel alignment include: uneven rear tire wear (excessive inner or outer edge wear), unstable rear end at high speeds, and the need for frequent steering corrections when driving straight. It is recommended to drive 30-50 km after replacement to allow the suspension to settle naturally before performing a rear wheel alignment.
Q9: Are the G38 rear strut and front strut interchangeable?
Absolutely not. The rear and front struts have fundamental differences in body length, piston rod diameter, mounting method, and damping valve tuning. The rear strut primarily handles load carrying and impact filtering, with longer travel and softer damping. The front strut must withstand steering and braking loads, with shorter travel and stiffer damping. Forcing interchangeability will result in chassis dynamic imbalance and seriously affect driving stability and comfort. Please be sure to purchase accurately according to front/rear and left/right positions.
Q10: Is the G38 rear left strut suitable for the later generation G68 long wheelbase 5 Series?
No, it is not suitable. The G68 is the next-generation long wheelbase 5 Series launched in 2024, with a completely different chassis structure, suspension geometry, and strut mounting dimensions. Parts are not interchangeable with the G38. Before purchasing, please confirm that your vehicle is the G38 chassis (2017-2023 model years), which can be verified via VIN code or vehicle registration information.
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Company
Guangzhou Fenghui Automotive Parts Co., Ltd.
Location
Room 401, Building 3, No. 33-1, Yongxing Road, Huadong Town, Huadu District, Guangzhou City, Guangdong Province
Contact Person
Nick