Bilstein B1 Front Top Strut Mount for BMW E39 and BMW Z8 E52
Part Number: BILSTEIN-12-224425
Also known as: front suspension top mount, front top mount, front strut mount, shock absorber top mount, support bearing, suspension bearing, top hat, strut top bearing.
Restore factory-fresh steering feel and ride comfort on your BMW with the genuine Bilstein B1 Front Top Strut Mount. Designed for the BMW 5 Series E39 535i and 540i and the BMW Z8 E52 4.9, this precisely fitting front axle top mount is engineered by Bilstein to deliver OE-level fit, durability and performance. Perfect when refreshing your front suspension or when pairing with Bilstein B4, B6 or B8 dampers, this mount helps eliminate clunks, knocks and vague steering, improving handling precision and longevity.
At Nforcd we use Bilstein B1 hardware on our own builds and customer cars because it fits first time and lasts. Our BMW customers consistently report quieter operation, tighter steering response and a noticeable improvement in overall ride quality after replacing tired front top mounts.
Why choose the Bilstein B1 Front Top Mount
- Direct-fit, vehicle-specific mount for BMW E39 535i, BMW E39 540i and BMW Z8 E52 4.9
- OEM-level quality and durability from Bilstein
- Precisely matched to Bilstein shock absorbers for optimal performance
- Helps reduce noise, vibration and harshness for a smoother, quieter ride
- Restores accurate wheel alignment and steering feel
- Ideal replacement during suspension refresh, upgrade or when fitting new dampers
Common signs your front top mount needs replacing
- Clunking or creaking noises over bumps
- Wandering or vague steering, poor return to centre
- Uneven tyre wear and inconsistent alignment
- Vibration through the steering wheel
Compatibility
- BMW 5 Series E39 535i, 540i
- BMW Z8 Roadster E52 4.9
Fitting position: Front axle
Perfect for BMW suspension refresh and upgrade searches
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Compatibility Check
We verify fitment before dispatch. Enter your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility for your exact BMW model.
Professional Fitting
Prefer expert installation? Book fitting with Nforcd in Warwickshire. Email Sales@nforcd.com for a quote and scheduling.
Technical Details
- Manufacturer: Bilstein
- Range: B1
- Part Number: BILSTEIN-12-224425
- Fitting Position: Front Axle
- EAN: 4025258706500
- UPC: 651860706009
Choose Nforcd for genuine Bilstein suspension parts, fast dispatch and knowledgeable support. Upgrade your BMW E39 or Z8 front end with the Bilstein B1 Front Top Strut Mount and enjoy factory-precise steering, reduced noise and long-term reliability.