Milltek OPF/GPF Bypass Module for BMW 5 Series M5 & M5 Competition 4.4l Twin Turbo F90 (OPF/GPF Equipped Cars) (2020-2021) – Genuine Milltek Fitment Part
This is Milltek's OPF/GPF bypass module for the OPF/GPF-equipped BMW 8 Series M8 and M8 Competition 4.4l V8 Twin Turbo F93 Gran Coupe LCI. It's a plug-and-play electronic module that bypasses the factory petrol particulate filter's monitoring, designed for use alongside a physical GPF/OPF bypass pipe rather than as a standalone fitment.
Bypassing the petrol particulate filter's monitoring is intended for off-road and competition use. A car set up this way will fail an MOT emissions test and isn't legal to use on UK roads.
Specifications
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System Type: Additional parts
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EC Approved: No
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Race System: Yes
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Fitting Time: approx. 0.5 to 1 hours (Milltek figure)
Key Features
- Made from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration
- Genuine Milltek part designed to work with the matching Milltek system
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- BMW 5 Series M5 & M5 Competition 4.4l Twin Turbo F90 (OPF/GPF Equipped Cars) (2020-2021)
- BMW 5 Series M5 & M5 Competition 4.4l Twin Turbo F90 LCI (OPF/GPF Equipped Cars) (2021 onwards)
- BMW 8 Series M8 & M8 Competition 4.4l V8 Twin Turbo F91 & F92 Coupe & Cabrio (OPF/GPF Equipped Cars Only) (2020 onwards)
- BMW 8 Series M8 & M8 Competition 4.4l V8 Twin Turbo F93 Gran Coupe LCI (OPF/GPF Equipped Cars Only) (2021 onwards)
Not suitable for: any model, engine or body style not listed above. Check your car before ordering.
Installation
Milltek quotes a fitting time of approx. 0.5 to 1 hours. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.
Upgrade Further
Also available from Milltek for this car: Milltek Cat-back Exhaust BMW 5 Series M5 & M5 Comp 4.4l Twin Turbo F90 OPF/GPF 20-21, Milltek GPF/OPF Bypass BMW 5 Series M5 & M5 Comp 4.4l Twin Turbo F90 LCI OPF/GPF 21+.
Will it fit the BMW 5 Series M5 & M5 Competition 4.4l Twin Turbo F90 LCI (OPF/GPF Equipped Cars)?
Yes. Milltek lists this part for the BMW 5 Series M5 & M5 Competition 4.4l Twin Turbo F90 LCI (OPF/GPF Equipped Cars) as well as the other models in the fitment list above.
Is it road legal?
Milltek lists this as a race part without EC approval, so it is intended for off-road and competition use.
Is this a complete exhaust system?
No. It is designed to be used with the system or factory parts described above, rather than as a complete exhaust on its own.
How long does it take to fit?
Milltek quotes approx. 0.5 to 1 hours.
What is it made from?
T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.
Is there a warranty?
Yes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.
