HM1704 - Huami Auto Parts
Air Suspension

HM1704 - Air Suspension Spring Bag

Application: BMW 745i 2002-2005 R BMW 745Li

Compatible Brands: Bmw

OE / Cross-Reference Numbers

4J-2016S 786 242 S2
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HuaMi HM1704 is a high-quality air suspension part manufactured under IATF 16949 certified processes by Ningbo Chilong Auto Parts Co., Ltd. Engineered to original-equipment specifications, it provides reliable fitment, durability, and consistent performance for Fiat.

This air suspension part is designed for BMW, and matches the listed OE / cross-reference numbers to help you confirm compatibility before purchase.

Every part is quality-tested for dimensional accuracy and material integrity, ensuring you receive a dependable replacement that restores original ride quality and safety. Backed by Huami's export experience to over 50 countries.

Compatible Vehicles

BMW 745i 2002-2005 (right)

Specifications

ProductHM1704
TypeAir Suspension
Compatible BrandsFiat
ApplicationsBMW
OE Numbers4J-2016S, 786 242 S2

Frequently Asked Questions

How can I tell if my air suspension part is failing?
Common symptoms include the vehicle sagging or leaning after sitting, the air compressor running constantly, rough ride quality, and error warnings on the dash. Replace the failing air suspension part promptly to protect the rest of the system.
Is this a genuine or aftermarket replacement?
It is a quality aftermarket replacement engineered to match the original fit, form, and function for the OE numbers (4J-2016S, 786 242 S2) and compatible vehicles listed (BMW).
Do I need special tools to install it?
Installation requires basic suspension tools and care with the air lines. We recommend a qualified workshop if you are not experienced with air suspension systems to avoid damaging adjacent components.

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