Bilstein 12-117123 BMW E39 B1 Rear Top Strut Mount
Upgrade and restore your BMW E39 rear suspension with the genuine Bilstein B1 Rear Top Strut Mount. This rear shock top mount is engineered for precise fitment, OE-quality durability and long-lasting performance. Perfect as a direct replacement for tired, cracked or noisy rear shock mounts, it delivers the secure damper location your 5 Series needs for a tight, quiet and composed ride.
Keywords customers search for: BMW E39 rear shock mount, BMW E39 rear strut mount, BMW E39 rear top mount, E39 rear shock top mount, E39 rear upper mount, rear shock absorber mount, Bilstein B1 mount, Bilstein 12-117123, BMW 5 Series E39 suspension mount, OEM replacement rear shock mount.
Why choose the Bilstein B1 mount
- Genuine Bilstein B1 accessory designed to work perfectly with Bilstein shock absorbers and OE dampers
- OE-level rubber-metal construction for factory fit, durability and noise reduction
- Helps eliminate rear end knocks, rattles and clunks caused by worn top mounts
- Restores proper shock absorber alignment for confident handling and ride comfort
- Direct-fit replacement for straightforward installation on the rear axle
- Trusted by Nforcd and our customers on E39 road, fast-road and daily builds
Best practice
- Replace rear shock mounts in pairs for even performance and longevity
- Ideal when fitting new rear dampers or refreshing an ageing suspension
Fitment and compatibility
Designed for BMW 5 Series E39 models built 09.1995 to 07.2003, including:
- 520i, 523i, 525i, 528i, 530i, 535i, 540i
- 520d, 525td, 525d, 525tds, 530d
Fitting position: Rear axle
Product details
- Part number: BILSTEIN-12-117123 / 12-117123
- Range: Bilstein B1 support bearing and service part
- Manufacturer: Bilstein
- EAN: 4025258492021
- UPC: 651860492025
Nforcd fitting and support
For professional installation, we recommend fitting at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check
We will confirm compatibility before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout so we can verify the part suits your exact E39.
What you can expect
We have fitted these Bilstein B1 rear top mounts to many customer E39s and feedback has been consistently positive. Expect a quieter rear end, sharper response from your dampers and the reassurance of OE-quality mounting hardware built to last.
Search-friendly terms
BMW E39 rear shock mount, BMW E39 rear strut top mount, BMW E39 rear top shock mount, E39 rear upper mount, E39 rear suspension mount, Bilstein B1 rear mount, Bilstein rear top mount, BMW 5 Series E39 suspension parts, rear shock absorber support bearing, OEM Bilstein mount 12-117123.