Bilstein B1 Rear Top Strut/Shock Mount 12-251179 for BMW 1 Series E81 E82 E87 E88, 3 Series E90 E91 E92 E93, X1 E84, ALPINA B3 - Rear Axle OE Replacement

Bilstein 12-251179 Rear Damper Upper Mount for BMW and ALPINA

Restore crisp, rattle‑free handling with the Bilstein rear damper upper mount, part number 12-251179. This OE‑spec rear suspension top mount is designed for BMW 1 Series E81 E82 E87 E88, BMW 3 Series E90 E91 E92 E93, BMW X1 E84 and ALPINA B3 models. It is the ideal replacement when chasing knocks, creaks or a vague back end, and pairs perfectly with Bilstein dampers for a factory‑fresh feel.

We run these mounts on our own builds and customer cars; feedback is consistently excellent. Expect tighter rear‑end control, cleaner response over bumps and quieter operation compared with tired originals. If you’re searching for a rear damper mount, shock absorber upper mounting, rear top hat, suspension top support or OE‑quality rear shock mount for your E8x, E9x or E84, this is the part you want.

Why choose Bilstein 12-251179

• Direct-fit rear upper mounting for E8x 1 Series, E9x 3 Series, E84 X1 and ALPINA B3
• Genuine Bilstein service component for long-term reliability
• Eliminates clunks from worn rear mounts to restore ride quality
• Engineered to work seamlessly with Bilstein shock absorbers
• OE-level fit and finish for straightforward installation

Position

• Rear axle, upper shock absorber mounting point

Compatibility

Fits the following applications among others:

ALPINA

• B3 (E90) 09.07 - 02.13: Bi-Turbo / S Bi-Turbo
• B3 Coupe (E92) 09.07 - 02.14: Bi-Turbo / S Bi-Turbo
• B3 Touring (E91) 09.07 - 05.13: Bi-Turbo / S Bi-Turbo
• B3 Convertible (E93) 09.07 - 05.13: Bi-Turbo / S Bi-Turbo

BMW 1 Series

• E81 3‑door (09.06 - 12.11): 116i, 118i, 120i, 130i, 116d, 118d, 120d, 123d
• E87 5‑door (02.03 - 01.13): 116i, 118i, 120i, 130i, 116d, 118d, 120d, 123d
• E82 Coupe (10.06 - 10.13): 120i, 125i, 128i, 135i, 118d, 120d, 123d
• E88 Convertible (12.07 - 12.13): 118i, 120i, 125i, 135i, 118d, 120d, 123d

BMW 3 Series

• E91 Touring (12.04 - 12.12): 316i, 318i, 320i, 323i, 325i, 325i xDrive, 328i, 330i, 330i xDrive, 335i, 335i xDrive, 316d, 318d, 320d, 320d xDrive, 325d, 330d, 330d xDrive, 335d
• E92 Coupe (01.05 - 12.13): 316i, 318i, 320i, 323i, 325i, 325i xDrive, 328i, 330i, 330i xDrive, 335i, 335i xDrive, 320d, 320d xDrive, 325d, 330d, 330d xDrive, 335d
• E93 Convertible (05.06 - 12.13): 318i, 320i, 323i, 325i, 328i, 330i, 335i, 320d, 325d, 330d
• E90 Saloon (02.04 - 02.12): 316i, 318i, 320i, 320si, 323i, 325i, 325xi, 325i xDrive, 328i, 330i, 330i xDrive, 335i, 335i xDrive, 316d, 318d, 320d, 320d xDrive, 325d, 330d, 330d xDrive, 335d

BMW X Series

• X1 E84 (03.09 - 06.15): sDrive16i, sDrive18i, sDrive20i, xDrive20i, xDrive25i, xDrive28i, sDrive16d, sDrive18d, xDrive18d, sDrive20d, xDrive20d, xDrive23d, xDrive25d

Perfect for searchers looking for

BMW E90 rear damper mount, E92 shock absorber upper mount, E87 rear top support, E82 suspension top mount, E93 rear shock top hat, E84 X1 rear shock mount replacement, ALPINA B3 rear damper upper support, OE replacement rear shock mounting, Bilstein service part for rear axle, BMW rear suspension mount upgrade.

Part numbers

• Bilstein: 12-251179
• EAN: 4025258838225
• UPC: 651860845739

Also see: Bilstein 12-248650 for related platforms in the same family.

Professional fitting

Want it installed correctly first time? Book a fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability. We supply and fit rear damper mounts, shock absorbers and related service parts.

Compatibility check

We can verify fitment before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout and our team will confirm this is the correct rear upper mount for your vehicle.

Why buy from MJ Modifications

• Genuine parts from brands we trust and use ourselves
• Enthusiast support and real‑world installation experience
• Fast UK delivery and friendly aftersales