Bilstein B1 Rear Shock Absorber Dust Cover / Strut Boot Gaiter Kit 11-270263 – Damper Bellows Sleeve for BMW 1 Series E81 E82 E87 E88 & 3 Series E90 E91 E92 E93, ALPINA B3

Bilstein B1 Rear Strut Boot and Damper Gaiter Set - Part No. 11-270263

Keep your rear suspension working smoothly with this genuine Bilstein B1 protection kit for the rear axle. Part number 11-270263 shields the damper rod and seals from grit, moisture and road grime on BMW E8x 1 Series, BMW E9x 3 Series and ALPINA B3. This is a high quality OE-grade rear strut boot and bellows solution that helps preserve damping consistency, reduce wear and maintain a quiet, controlled ride. We run these on our own cars and customer builds and the feedback is excellent on fit, function and longevity.

Performance benefits

• Rear shock absorber gaiter set designed by Bilstein for exact-fit protection
• Original equipment quality materials for long service life
• Guards piston rods and seals to support smooth damper operation
• Ideal when refreshing suspension or replacing rear shocks
• Direct-fit service parts with straightforward installation
• Compatible with Bilstein dampers and OE-equivalent units

Why enthusiasts choose this kit

• Genuine Bilstein accessory for the rear axle
• Precise fitment on BMW E81 E82 E87 E88 and BMW E90 E91 E92 E93 plus ALPINA B3
• Helps prevent premature damper wear and noisy operation
• Reliable, hassle-free solution for daily drivers and performance builds

Vehicle applications

Suitable for a wide range of BMW 1 Series and 3 Series models, plus ALPINA B3 variants. If unsure, request a fitment check before dispatch.

ALPINA

• B3 E92 Coupe - Bi-Turbo and S Bi-Turbo

BMW 1 Series - E8x

• E81 3-door hatch 09.2006-12.2011: 116i, 118i, 120i, 130i, 116d, 118d, 120d, 123d
• E87 5-door hatch 02.2003-01.2013: 116i, 118i, 120i, 130i, 116d, 118d, 120d, 123d
• E82 Coupe 10.2006-10.2013: 120i, 125i, 128i, 135i, 118d, 120d, 123d
• E88 Convertible 12.2007-12.2013: 118i, 120i, 125i, 128i, 135i, 118d, 120d, 123d

BMW 3 Series - E9x

• E90 Saloon 02.2004-02.2012: 316i, 318i, 320i, 320si, 323i, 325i, 328i, 330i, 335i, 316d, 318d, 320d, 325d, 330d, 335d
• E91 Touring 12.2004-12.2012: 316i, 318i, 320i, 323i, 325i, 325xi, 325i xDrive, 328i, 328xi, 328i xDrive, 330i, 330xi, 330i xDrive, 335i, 335xi, 335i xDrive, 316d, 318d, 320d, 320d xDrive, 325d, 330d, 330xd, 330d xDrive, 335d
• E92 Coupe 01.2005-12.2013: 316i, 318i, 320i, 323i, 325i, 325i xDrive, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi, 330i xDrive, 335i, 335i xDrive, 335xi, 320d, 320d xDrive, 325d, 330d, 330xd, 330d xDrive, 335d
• E93 Convertible 05.2006-12.2013: 318i, 320i, 323i, 325i, 328i, 330i, 335i, 320d, 325d, 330d

Technical details

Part information

• Part number: 11-270263 / BILSTEIN-11-270263
• Brand: Bilstein
• EAN: 4025258793586
• UPC: 651860798097

Professional fitting

Want it installed by specialists who know BMW and ALPINA platforms inside out? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Fitment check before shipping

We can confirm compatibility prior to dispatch. Add your UK registration number or the last 7 digits of your VIN at checkout and we will verify the correct rear strut gaiter kit for your vehicle.

Why buy from us

• Only authentic Bilstein components
• Tried and tested on our own cars
• Great customer feedback on durability and ease of installation

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