Bilstein B1 Front Top Strut Mount 12-248940 for ALPINA BMW E81 E87 E93 including Alpina B3
Upgrade or restore your BMW and ALPINA suspension with the Bilstein B1 Front Top Strut Mount, part number 12-248940. This OE-quality suspension top mount, also known as a front strut top mount, top mount bearing, support bearing or shock absorber top mount, is designed to deliver precise fitment, quiet operation and dependable performance. Perfectly matched to Bilstein shock absorbers and ideal as an OEM replacement part, the Bilstein B1 top mount helps bring back sharp steering response, stable alignment and ride comfort on daily drivers and performance builds alike.
At Nforcd we fit these mounts on our own cars and for customers, and the feedback is consistently excellent. If you are experiencing front-end knocks, clunks or vague steering due to a worn strut mount, this Bilstein B1 front top mount is the quality solution that lasts.
Why choose the Bilstein B1 Front Top Mount
- Direct-fit front axle top strut mount for selected BMW and ALPINA models
- OE specification and original manufacturer quality from Bilstein
- Precisely adapted to work with Bilstein shock absorbers and OE dampers
- Helps restore steering precision, alignment stability and ride quality
- Proven reliability for daily use, fast road and high-mileage refreshes
Best practice
- Replace top mounts whenever fitting new front shocks or springs
- Ideal when refreshing tired suspension to reduce noise and harshness
- Have a professional alignment performed after installation
Fitting position
Front axle
Compatibility
This Bilstein B1 front top strut mount fits a wide range of BMW and ALPINA applications. Key models include:
ALPINA
- B3
- B3 Saloon E90 09.07 - 02.13 Bi-Turbo and S Bi-Turbo
- B3 Coupe E92 09.07 - 02.14 Bi-Turbo and S Bi-Turbo
- B3 Touring E91 09.07 - 05.13 Bi-Turbo and S Bi-Turbo
- B3 Convertible E93 09.07 - 05.13 Bi-Turbo and S Bi-Turbo
BMW 1 Series
- E81 09.06 - 12.11 116i 118i 120i 130i 116d 118d 120d 123d
- E87 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 128i 135i 118d 120d 123d
BMW 3 Series
- E92 Coupe 01.05 - 12.13 316i 318i 320i 323i 325i 328i 330i 335i 320d 325d 330d 335d
- E93 Convertible 05.06 - 12.13 318i 320i 323i 325i 328i 330i 335i 320d 325d 330d
- E46 Saloon 12.97 - 05.05 316i 318i 320i 323i 325i 325xi 328i 330i 330xi 318d 320d 330d 330xd
- E46 Compact 03.01 - 02.05 316ti 318ti 325ti 318td 320td
- E46 Coupe 12.98 - 07.06 316Ci 318Ci 320Ci 323Ci 323i 325i 325Ci 328Ci 330Ci 330xi M3 320Cd 330Cd
- E46 Convertible 04.00 - 12.07 318Ci 320Ci 323Ci 325Ci 330Ci 320Cd 330Cd
- E46 Touring 06.99 - 05.05 316i 318i 320i 323i 325i 325xi 328i 330i 330xi 318d 320d 330d 330xd
- E90 Saloon 02.04 - 02.12 316i 318i 320i 320si 323i 325i 328i 330i 335i 316d 318d 320d 325d 330d 335d
- E91 Touring 12.04 - 12.12 316i 318i 320i 323i 325i 328i 330i 335i 316d 318d 320d 325d 330d 335d
BMW 5 Series
- E39 Saloon 09.95 - 07.03 520i 523i 525i 528i 530i 520d 525td 525d 525tds 530d
- E39 Touring 09.96 - 06.04 520i 525i 530i 520d 525d 530d
- E60 Saloon 12.01 - 03.10 520i 523i 525i 525xi 525i xDrive 528i 528i xDrive 530i 530i xDrive 535i 540i 545i 520d 525d 525d xDrive 530d 530d xDrive 535d
- E61 Touring 03.04 - 12.10 520i 523i 525i 530i 545i 550i 520d 525d 530d 535d
BMW 6 Series
- E63 Coupe 09.03 - 12.10 630i 645Ci 650i 635d
- E64 Convertible 03.04 - 12.10 630i 645Ci 650i 635d
BMW X Series
- X1 E84 03.09 - 06.15 sDrive16i sDrive18i sDrive20i xDrive20i xDrive25i xDrive28i sDrive16d sDrive18d xDrive18d sDrive20d xDrive20d xDrive23d xDrive25d
- X3 E83 01.03 - 12.11 2.0i xDrive20i 2.5i 2.5si xDrive 2.5si xDrive25i 3.0i 3.0i xDrive xDrive30i 3.0si xDrive18d 2.0d 2.0sd xDrive20d 3.0d xDrive30d 3.0sd xDrive35d
Part numbers
- Bilstein Part Number: 12-248940
- Nforcd SKU: BILSTEIN-12-248940
- EAN: 4025258759551
- UPC: 651860762050
Also searched as
Bilstein B1 strut mount, BMW front top mount, BMW strut top mount E90, E92 strut bearing, E93 top mount, E81 E87 suspension top mount, Alpina B3 strut mount, shock absorber top mount, front support bearing, BMW replacement top mount, OE top mount, Bilstein suspension mount, BMW 3 Series E46 E90 E92 E93 front top mount, BMW 1 Series E81 E82 E87 E88 top strut mount, BMW X1 E84 strut top mount.
Fitting and support
Professional installation is recommended. For expert fitting and wheel alignment, choose Nforcd in Warwickshire. Request a fitting quote by emailing Sales@nforcd.com.
Compatibility check
We verify fitment before dispatch. Enter your UK registration or the last 7 digits of your VIN at checkout and we will confirm compatibility for your exact vehicle.
About Bilstein B1
Bilstein B1 accessories are precisely matched to Bilstein shock absorbers and deliver uncompromising original equipment manufacturer quality. The B1 range includes support bearings, protective tubes and bump stops to complete a thorough suspension refresh with confidence.