Bilstein 11-270379 B1 Rear Shock Absorber Dust Cover Kit for BMW 5 Series E60 Saloon - OEM Damper Boot/Gaiter/Bellows Set, Rear Axle Strut/Shaft Sleeve Protector, Genuine Service Part

Protect Your E60 Rear Dampers with Bilstein 11-270379

Keep your BMW 5 Series E60 saloon riding as it should with the genuine Bilstein B1 rear damper protection kit. Part number 11-270379. This OE-grade solution shields the rear damper shaft and seals from grit, road salt and moisture, helping preserve factory comfort and extend service life. A precise, direct-fit accessory from Bilstein that installs cleanly when refreshing rear suspension components.

We have fitted this kit on customer E60s at MJ Modifications and the feedback has been excellent. Owners consistently report a quieter rear end, fewer knocks over rough roads and long-term protection for both original and Bilstein replacement dampers. If you are servicing or upgrading the rear suspension, this is a simple, cost-effective add-on that makes a real difference.

Why this Bilstein kit is a smart buy

• Genuine Bilstein B1 service part in original equipment quality
• Exact fit on the rear of BMW 5 Series E60 saloon for a hassle-free install
• Helps prevent premature wear by guarding the damper shaft and seals from contaminants
• Ideal to fit alongside new dampers or during a suspension refresh
• Designed to work perfectly with factory dampers and Bilstein replacements
• Affordable preventative maintenance that helps maintain ride quality

Vehicle fitment

BMW 5 Series E60 saloon, 2001 to 2010:

• Petrol: 520i, 523i, 525i, 525xi, 530i, 530xi, 545i, 550i
• Diesel: 520d, 525d, 525xd, 530d, 530xd, 535d

Using an E61 Touring. Please contact us first to confirm suitability.

Key details

• Fitting position: Rear
• Range: Bilstein B1 service parts
• Part number: 11-270379 / BILSTEIN-11-270379
• EAN: 4025258793692
• UPC: 651860798202

What it helps with

• Protects rear damper internals from dirt and water
• Helps retain OE ride comfort and consistent damping
• Reduces the risk of squeaks and rattles caused by perished boots
• Adds vital winter and all-weather shielding for long-term reliability

Professional fitting and support

Book installation with MJ Modifications in Warwickshire. Our team fits these regularly on E60 models and can provide a quote. Email info@mjmodifications.co.uk to arrange fitting or to discuss your suspension refresh.

Compatibility check

We can verify fitment before dispatch. Add your UK registration or the last 7 characters of your VIN at checkout so we can confirm that 11-270379 is correct for your car.

Search-friendly terms

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Manufacturer: Bilstein. World-renowned for precision suspension engineering.