Skip to product information
1 of 2

KONI

KONI 8245-1385 Adjustable Rear Shock Absorber/Shocker Strut Damper for BMW 4 Series Convertible Cabriolet F33 F83 - Gas Pressure Twin-Tube Telescopic OE Replacement Performance Upgrade (418i 420i 428i 430i 435i 440i 418d 420d 425d 430d 435d)

KONI 8245-1385 Adjustable Rear Shock Absorber/Shocker Strut Damper for BMW 4 Series Convertible Cabriolet F33 F83 - Gas Pressure Twin-Tube Telescopic OE Replacement Performance Upgrade (418i 420i 428i 430i 435i 440i 418d 420d 425d 430d 435d)

Regular price £127.99
Regular price £134.00 Sale price £127.99
Sale Sold out
Shipping calculated at checkout.

KONI 8245-1385 Adjustable Rear Shocker for BMW 4 Series Soft-Top F33 F83

Sharpen the rear end of your BMW 4 Series drop-top with the KONI 8245-1385 adjustable rear damper. This gas charged twin tube telescopic unit lets you tailor rebound for road comfort or fast-road precision, delivering tighter body control, better traction out of bends and a calmer ride over rough UK B-roads. Ideal as an OE-quality replacement that adds genuine performance tuning.

Why enthusiasts choose this rear damper

  • Tuneable rebound control so you can set your preferred balance of comfort and handling
  • Gas charged twin tube construction for consistent performance mile after mile
  • Confident rear axle composure under braking, cornering and quick direction changes
  • Direct-fit mounting for BMW 4 Series cabriolet platforms F33 and F83
  • Durable KONI build quality with smooth, precise adjustability

Key details

  • Fitting location: rear axle
  • Type: gas charged adjustable damper
  • System: twin tube, rebound adjustable
  • Design: telescopic
  • Mounts: top pin and bottom pin
  • Overall length: 371 mm
  • Unit weight: 2.34 kg
  • Colour: red
  • Box size: 640 x 65 x 65 mm

Compatibility

Designed for BMW 4 Series Convertible applications:

  • F33 Cabriolet petrol models including 418i, 420i, 428i, 430i, 435i, 440i
  • F33 Cabriolet diesel models including 418d, 420d, 425d, 430d, 435d
  • F83 Convertible variant

Popular search phrases our customers use include BMW F33 rear strut, F83 rear shocker adjustable, BMW 4 Series cabrio rear suspension upgrade, KONI adjustable rear dampener, BMW 420d rear strut replacement, BMW 430i sport damper, BMW 435d rear shock gas charged, BMW 440i rear telescopic damper.

Real-world results

We run KONI dampers on our own builds and the improvement is immediate. Customers report reduced rear-end float, cleaner mid-corner balance and a smoother ride over broken surfaces. The ability to dial in rebound makes this one of the best-value upgrades for a 4 Series soft-top used on the road.

Professional installation

For fitting and setup, book with MJ Modifications in Warwickshire. Our team can supply and install, set initial rebound and advise on matching front components. Request a quote via info@mjmodifications.co.uk.

Fitment check

We can confirm compatibility before dispatch. Contact us with your registration or VIN for a quick check so you get the right part first time.

Part numbers

  • Manufacturer: KONI
  • Part number: 8245-1385
  • EAN: 8712167166483

Extra search help

BMW 4 cabrio rear shocker adjustable, BMW F33 rear suspension damper, F83 rear strut gas charged, adjustable rebound shock BMW convertible, twin tube rear shock BMW, performance rear damper BMW 4 Series, OE replacement rear strut BMW F33 F83, sport suspension upgrade for 4 Series soft-top.

View full details