Bilstein B4 Rear Shock Absorber/Damper/Shocker for BMW Z3 (E36) Roadster & Coupe 1995–2003 | OE Replacement Gas Pressure Twin-Tube Rear Suspension Strut | Direct Fit Left/Right | Part 19-158839 BILSTEIN-19-158839

Bilstein B4 Rear Suspension Unit for BMW Z3 E36 — Part 19-158839

Bring your BMW Z3 back to its best with this Bilstein B4 rear suspension unit, part number 19-158839 / BILSTEIN-19-158839. This gas-charged twin tube rear shock is built to original equipment standards, giving you the confident control, comfort and stability your Z3 deserves. Ideal for anyone refreshing tired rear suspension on Roadster or Coupe models from 1995 to 2003.

We fit these at MJ Modifications and the feedback is consistently excellent. Customers report tighter rear-end control, improved composure over bumps and a more settled, predictable feel on British roads. It is a straightforward, direct-fit replacement that restores the car’s stock character without adding harshness.

Why this Bilstein unit is a smart choice

• Direct replacement for the rear axle on BMW Z3 E36 models with original mounting points
• Gas-charged twin tube design for dependable damping and consistent road holding
• OEM-grade quality from a trusted German suspension specialist
• Enhances stability during cornering and braking for everyday and spirited road use
• Excellent durability for long-term reliability and value
• Perfect when refreshing a worn rear end or preparing for MOT

Product details at a glance

• Part number: 19-158839 | BILSTEIN-19-158839
• Location: Rear
• Technology: Gas charged
• Construction: Twin tube
• Spring seat: Not included – designed for separate rear spring layout
• Fittings: Bottom eye and top pin
• Supplied as a single unit – we recommend replacing rear shocks in pairs

Vehicle fitment

BMW Z3 on the E36 platform:

• Z3 Roadster 10.95–01.03
  • 1.8, 1.9, 2.0, 2.2, 2.5, 2.8, 3.0, 3.2
• Z3 Coupe 04.97–06.03
  • 2.8, 3.0

What you will feel

• Stable rear-end grip and traction
• Comfortable, composed ride quality
• Reassuring control that complements the classic BMW chassis balance

Fitment check

To confirm compatibility before dispatch, add your UK registration or the last 7 of your VIN at checkout and we will verify fitment for your specific Z3.

Professional installation

Want it fitted properly first time. Book expert installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote. We can also advise on partner parts such as mounts and bump stops while the rear suspension is apart.

Manufacturer identifiers

• Brand: Bilstein
• EAN: 4025258624941
• UPC: 651860624945

Search-friendly terms people use

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Refresh your BMW Z3 E36 with the Bilstein B4 rear suspension unit and enjoy the planted feel, comfort and confidence your car was built for. Order part 19-158839 today.