Bilstein B4 Rear Shock Absorber / Damper / Strut for BMW 3 Series F30 Saloon/Sedan & F34 GT Gran Turismo (RWD & xDrive AWD) 2011-2020 - OEM Replacement Gas Pressure Back Shock Suspension - 318d 320d 320i 325d 328i 330d 330i 335i 340i - Part 19-247038

Bilstein B4 Rear Shock for BMW 3 Series F30 and F34 Gran Turismo - Part number 19-247038

Restore tight, confidence-inspiring handling on your BMW 3 Series with this Bilstein B4 rear shock absorber, part number 19-247038. It is a direct-fit, original-equipment-quality rear suspension unit for F30 Saloon and F34 GT models, both rear wheel drive and xDrive all wheel drive. If your car feels floaty, bouncy or unsettled over rough tarmac, this is the proven fix that brings back the smooth, planted feel you expect from a well-sorted 3 Series.

Built to Bilstein’s exacting standards, the B4 range uses gas pressurised technology for consistent damping, composed road manners and long service life. We have installed these on customer cars and our own vehicles, and feedback has been superb for ride comfort, stability and grip on British roads. Ideal for daily use, commuting, motorway miles and fast A-road driving where you want OEM-level comfort with crisp control.

Why this rear shock is a smart choice

• Direct replacement for tired rear shockers on BMW F30 and F34 GT
• OEM-standard fit and finish with reliable German engineering
• Improves body control, traction and braking stability
• Reduces wallow, rear-end float and excessive rebound bounce
• Compatible with standard springs and factory ride height
• Durable corrosion-resistant construction for UK climates

Fitment and compatibility

Suits BMW 3 Series:

• F30 Saloon 2011 to 2018
• F34 Gran Turismo 2013 to 2020
• Applicable to petrol and diesel models including 318d, 320d, 320i, 325d, 328i, 330d, 330i, 335i, 340i, plus xDrive variants where relevant
• ActiveHybrid 3 included where specified by part match

Always confirm by VIN or existing part references before ordering to ensure exact fitment for your specific trim and suspension package.

What you receive

• 1 x Bilstein B4 rear shock absorber - part number 19-247038

Sold individually. We recommend replacing rear dampers in pairs for balanced performance.

Real-world results

Customers consistently report a calmer, more controlled rear end, improved confidence over uneven surfaces and a return to that sharp BMW feel without harshness. We have fitted many sets and the transformation on worn setups is immediate.

Warranty

2 year Bilstein warranty.

Professional fitting

Need installation and alignment checks. Book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk. Professional fitting ensures correct torque settings, no knocks or rattles and the best ride quality from your new rear shock.

Helpful tips

• Consider replacing rear top mounts, bump stops and dust covers at the same time if worn
• Have a four-wheel alignment after suspension work for optimal tyre wear and handling

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Buy with confidence

MJ Modifications supplies genuine Bilstein components trusted by enthusiasts and daily drivers alike. If you want factory-spec ride quality with tidy, predictable handling, the Bilstein B4 rear shock 19-247038 is a brilliant, no-nonsense choice for your F30 or F34.