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Darkside 3" Stainless Downpipe DPF Delete for BMW G Series B57 40d

Darkside 3" stainless steel downpipe DPF delete for BMW G Series B57 40d. Darkside stainless steel, direct fit.
Reference BMW1658
€778.49 (VAT incl.)
€819.47 -5%
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Estimated restock time
  1. Order today
  2. Restock supplier order
  3. Delivery Fri 13 Nov
Estimated delivery on 13/11/2026
This lead time is an estimate and may change due to circumstances beyond our control

Customization:

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Why this product?

On this engine, the DPF is a well-known weak point: premature clogging on short or urban trips, repeated forced regenerations, and the engine warning light coming on. A scenario many owners find when searching for a solution on forums.

  • Noticeable gain in performance and driving enjoyment
  • Aerospace-grade stainless steel construction
  • Optimized diameter for maximum flow
  • Designed and manufactured in the UK

Precise compatibility

Vehicles concerned (per the supplier listing, engine code not detailed): BMW G Series B57 40d. The supplier does not specify a detailed engine code for this product, so check compatibility with your engine before ordering.

Kit contents

  • 3" Stainless DPF Delete Downpipe
  • Downpipe Clamp
  • Downpipe Gasket
  • Exhaust Gasket

To be arranged before installation

An appropriate ECU tuning is essential to clear fault codes and avoid limp mode, not included in this kit.

Materials Stainless steel
Diameter 76mm (3.00 in)
Product family Exhausts
Exhaust Downpipe Only

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