BMW E34 Rear Diffuser Kit V2

$431.20 USD

U.S. customers now enjoy 0 import tax, 0 sales tax. No surprise fees at delivery.

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Overview

The RENDITION E34 Rear Diffuser is designed to do more than just look good — it brings functional aerodynamic benefits and a lightweight, OEM+ appearance to your E34’s rear end. By extending the lower lines of the M-style bumper, it subtly reduces drag and improves airflow, while staying true to the factory silhouette.

Crafted from precision-cut 6061 aluminum and finished in a durable powder coat, it’s the perfect finishing touch for enthusiasts looking to combine form and function.

Designed around BMW E34 M-style rear bumper contours
Laser-cut 2 mm 6061 aluminum construction
3.5 kg overall weight
Raw aluminum or powder-coated black finish
Stainless-steel installation hardware, extra fasteners and Rendition decals included

✅ Available in two finishes to match your build style:

– for a clean, stealth OEM+ look and long-term corrosion resistance

– for those who prefer to polish, paint, or match to a custom color scheme

Just tap a few holes on the rear bumper & use existing mounting points to install!

✅ Bolt-on installation using included stainless hardware
✅ Installation time: 20-30 minutes
✅ Includes optional extra fasteners for tighter fit or future removal

V2.0 - 2025

Change to lightweight 6061 aluminum construction
Added stainless hardware and fastener pack based on installer feedback
Reduced weight - now down to <3.5kg

Processing Time
Standard items normally dispatch within 5–10 business days.
Tracking is provided once your order ships.

Made-to-Order Items
Made-to-order gauge overlays and diffusers normally dispatch within 15–25 business days.
Steering wheels normally dispatch within 25–35 business days.
For other specialty products, the lead time stated on the product page applies.

Shipping
Shipping rates and free-shipping thresholds vary by destination and order value.
Available shipping options and the final shipping charge are shown at checkout.

Priority shipping speeds up transit only and does not shorten production or processing time.

6-Month Limited Warranty

We provide a 6-month limited warranty against manufacturing defects under normal use. See our Warranty Policy for coverage, exclusions and claim details.

Before Installation

Inspect and test-fit all parts before installation. Damage caused by improper installation, wiring or modification is not covered.

Product Support

Email support@rdtnshop.com with your order number and a description of the issue. Clear photos or a short video help us assess the problem and advise on the next steps.