Remus Valved Cat Back Exhaust for BMW M5 F90 Competition (2018+) - Non-Resonated, OPF/GPF Delete, Quad 102mm Carbon Fibre Tips with Titanium Inners, Stainless - Plug & Play OE Valve Control - Performance Sport Catback S63B44B

Transform the sound and flow of your BMW M5 F90 Competition

Unlock a harder hitting soundtrack and freer breathing performance on your 2018 on BMW M5 F90 Competition with this premium valved cat back exhaust upgrade. Built for OPF GPF equipped models and engineered to integrate seamlessly with the factory valve control, it delivers a bold motorsport tone when you want it and refined cruising when you do not. Quad 102 mm carbon fibre tailpipes with titanium inner sleeves complete the look with a genuine motorsport finish.

We have installed this system in house and our customers love the quality, fit and the way it elevates the S63B44B twin turbo V8. Expect reduced back pressure, sharper response and a deeper, more purposeful note. It looks right, fits right and sounds incredible.

Why choose this performance exhaust

• Valve control works with the original electronics for a true plug in experience
• Quad 102 mm carbon fibre angled outlets with titanium internals for a premium finish
• Large bore 84 mm pipework for improved gas flow and lower restriction
• Shot peened surface and 100 percent stainless steel construction
• Lightweight design with precise, OE level fitment
• Crafted in Austria with a bold, motorsport inspired tone

Compatibility

• BMW 5 Series F90 M5 Competition 2018 on
• Engine code S63B44B 460 kW
• Only for vehicles equipped with GPF OPF

Technical details

• Pipe diameter 84 mm
• Dual left right layout with integrated valve flaps using the original control system
• Tailpipes 4 x 102 mm carbon fibre, angled cut with titanium inner sleeves

Important notes

• This system removes the GPF OPF. The GPF monitoring must be deactivated via ECU mapping to prevent engine management warnings.
• The original BMW heat protection for the tank must be used. OE part number 51 48 8 060 077.

Part numbers

089317 0000 + 089618 0500LR + 0446 70CS

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote or advice on ECU mapping for GPF deactivation.

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