Bilstein B1 Rear Upper Shock/Damper Top Mount 12-117109 with Seal for BMW 3 Series E36/E46 (incl M3) & Z3/Z1 - Rear Strut Mount, Shock Absorber Top Hat, Shock Tower/Upper Mount - OEM Quality Replacement

Rear Upper Shock Mount by Bilstein - Part No. 12-117109

Upgrade the rear suspension on your BMW with the Bilstein B1 12-117109 rear upper damper mount. This factory-grade replacement sits at the top of the rear shock absorber and restores that planted, rattle-free feel enthusiasts expect from a well-sorted 3 Series or Z car. Ideal for curing rear end knocks, creaks and vague handling, this Bilstein B1 mount is built for longevity and proper alignment of the rear damper rod and body.

If you are searching for BMW rear damper top mount, rear upper strut support, shock absorber top hat, rear suspension mount, rear top bearing, rear shock top hat, rear shock tower mount, BMW E36 rear damper mount, E46 rear suspension mount, or Z3 shock top mount, this is the trusted solution. It includes the correct sealing ring for a clean, ready-to-fit install and pairs perfectly with Bilstein shock absorbers as well as standard replacement dampers.

Why enthusiasts choose this Bilstein B1 mount

• Factory-level fit and finish for BMW chassis listed below with precise alignment on the rear axle.
• Durable construction that helps cut unwanted noise and vibration while keeping the damper located under load.
• Optimised to work seamlessly with Bilstein dampers for consistent control and ride quality.
• Supplied with seal for correct assembly and weather protection.
• Great fix for rear end clunks and play caused by perished or cracked top mounts.
• We run these on our own cars and customers love the quality, feel and reliability.

Perfect for these BMW applications

Compatible with a wide range of BMW platforms:

• BMW 3 Series E36 - Saloon, Coupe, Touring, Convertible, Compact - 316, 318, 320, 323, 325, 328, 318 tds, 325 td, 325 tds.
• BMW 3 Series E46 - Saloon, Touring, Coupe, Convertible, Compact - 316, 318, 320, 323, 325, 328, 330, xDrive variants, 318 d, 320 d, 330 d, including M3.
• BMW Z3 E36 - Roadster and Coupe - 1.8, 1.9, 2.0, 2.2, 2.5, 2.8, 3.0, M 3.2.
• BMW Z1 Roadster 2.5.

Tip: As with any suspension refresh, replacing in pairs is recommended to keep handling balanced side to side.

SEO-friendly search terms people use

BMW rear damper mount, BMW rear shock top hat, rear shock absorber mount BMW, BMW rear top bearing, E36 rear upper mount, E46 rear shock tower mount, Z3 rear suspension mount, BMW rear strut support, BMW rear shock bush, rear suspension top plate BMW, Bilstein B1 mount 12-117109, BILSTEIN-12-117109.

Specifications

• Location: Rear axle
• Supplementary info: With seal
• Part number: Bilstein 12-117109 / BILSTEIN-12-117109
• EAN: 4025258492007
• UPC: 651860492001

Fitment check before dispatch

We will confirm compatibility before shipping. Add your UK registration or last 7 of VIN at checkout so we can verify that Bilstein 12-117109 is correct for your vehicle.

Professional fitting in Warwickshire

Want it installed properly first time? Book professional fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

Proven by us and our customers

We supply and fit Bilstein suspension components every day. This B1 rear damper top mount delivers the solid, confidence-inspiring feel BMW owners want, with excellent durability and value. Order today and bring back tight, quiet and predictable rear-end behaviour.