HD means Heavy Duty.
Originally Posted by bluebee
Searching for "HD" I find nobody defines it but they reference it as the "solid" bushing (so what does the "HD" stand for then?).
In this case the heavy duty design is a solid rubber bushing vs. a fluid filled one. Heavy Duty simply means its tougher.
2003 530iA Sport - Titangrau Metallic/Schwarz Montana
Build Codes: ZSP/ZPP/ZCW. Born on date: 09/02, Dingolfing, Deutschland
NAV MKIV | PP | CWP | Xenons | Style 42s | Rear Shades | OEM ULF Bluetooth | Euro Armrest | Beisan Vanos Seals |
2003 530i/5Spd Sport - Titanium Silber/Schwarz Montana
| PP | Xenons | Style 42s | OEM TCU Bluetooth | Euro Armrest | Beisan Vanos Seals |
2001 525iA - Anthracite Metalic / Grau Montana
Sold but in the "family"
| Euro Armrest | Beisan Vanos Seals |
Last edited by xraye39; 08-28-2010 at 02:30 PM.