Bilstein B3 Rear Air Suspension Air Spring Bag for BMW 5 Series Touring F11 (2010-2017) | Self-Levelling | OE Replacement | Rear Axle | 40-268620

Bilstein B3 Rear Pneumatic Bellow for BMW F11 5 Series Estate 2010 to 2017 - Part No. 40-268620

Cure a drooping back end, constant compressor running or a suspension fault message on your F11 estate with this Bilstein B3 rear pneumatic spring. Part number 40-268620 is a direct-fit, original-spec replacement that brings your BMW’s automatic height control back to the way it should be. Expect correct ride height, quiet operation and confident handling whether you are solo, carrying passengers or towing.

We have installed these on customer cars and our own projects and the feedback has been superb. Once fitted, the car sits level, load carrying is stable and the ride is smooth and composed. If your touring drops overnight or feels crashy at the back, this is the dependable fix that lasts.

Why this Bilstein B3 rear bellow is a smart choice

• Direct replacement for the factory level control spring on BMW F11 estate models with rear air system
• Restores correct stance and comfort for everyday driving and long-distance touring
• Consistent counter pressure for stable handling with luggage, bikes or a trailer
• Rapid response to changing road surfaces for composed control
• Robust construction engineered by Bilstein for safety and longevity
• Designed to work with the original rear dampers when the spring and shock are separate

Symptoms this solves

• Rear end sitting low or leaning to one side
• Vehicle drops after parking or overnight
• Harsh, bouncy ride at the back
• Compressor running too often
• Suspension fault warning linked to rear height control

Fitment

For BMW 5 Series F11 estate models with rear level control, model years 2010 to 2017, including:

• Petrol: 520i, 523i, 528i, 528i xDrive, 530i, 535i, 535i xDrive, 550i
• Diesel: 518d, 520d, 520d xDrive, 525d, 525d xDrive, 530d, 530d xDrive, 535d, 535d xDrive

Specifications

Compatibility check

We can confirm suitability before dispatch. Add your UK registration or the last 7 characters of your VIN at checkout and we will ensure you receive the correct rear bellow for your F11 estate.

Professional fitting

Installation of air springs should be carried out by a specialist. MJ Modifications offers supply and fit in Warwickshire. For a fitting quote or advice, email info@mjmodifications.co.uk. For balanced performance it is commonly recommended to replace both rear bellows at the same time.

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In summary

Restore the correct height, comfort and stability of your BMW F11 estate with the Bilstein B3 rear pneumatic spring 40-268620. Trusted quality, easy fitment and proven results on our own builds and customer cars.