Valved Exhaust System for BMW X5 50i F15 V8 4.4T (2014-2018)
Configuration
BMW X5 50i F15 V8 4.4T Valved Exhaust System (2014-2018)
Valves
Operated by remote control, factory-paired.
Estimated at 0.50 m from the outlet, 45°, 2,000 rpm with a warm engine. Allow ± 2 dB depending on the engine and measuring point. A 3 dB difference is audible in a direct comparison; 10 dB sounds roughly twice as loud.
Configuration guide
Sound intensity with the valves open, on a scale of 0 to 10.
| Configuration | Intensity |
|---|---|
| Decat downpipe + Rog cat-back | 10/10 |
| 100-cell sports catalytic converter + Rog cat-back | 9/10 |
| 200-cell sports catalytic converter + Rog cat-back | 8/10 |
| Rog cat-back only, factory catalytic converter retained | 7/10 |
| Factory exhaust, for comparison | 3/10 |
The BMW X5 50i F15 exhaust in detail.
The X5 50i F15 is the V8 version of BMW’s large SUV: a 4.4-litre twin-turbo with 450 hp and 650 Nm, paired with xDrive all-wheel drive, for strong acceleration and effortless overtaking, even when loaded for the holidays. It is an engine for fast long journeys more than for raw performance. This V8 version exists from 2014 to 2018, while the six-cylinder 35i and the X5 M F85 have separate systems.
A twin-turbo V8 of this displacement has a deep, full voice whose rumble builds in power under acceleration; in the X5 F15, turbos and factory exhaust form a double filter, and nothing from the cabin hints at the eight cylinders. Open the valves of the Rog cat-back: the start-up announces itself, acceleration can be heard, with a deep tone that matches the SUV’s stature. Close them: it regains the calm that fits in anywhere, from the school car park to the motorway at night.
About two hours in the workshop, with no welding, are enough to fit a system bent to your VIN; the valves remain controlled by the factory system or by the Rog remote.
The “Manifold” option sells the front section that follows the V8’s turbos; without a map, it settles for voice and a little lightness. This touring V8 keeps its emissions control with the 200-cell front section; with 100 cells, the X5 is accepted or not depending on the car and the rules in your country, and the decat version is reserved for track use. On the cat-back side, 304 stainless steel supports the V8’s bass, while titanium brightens it and weighs around 40% less.
BMW X5 50i F15 V8 4.4T exhaust specifications.
| System type | Valved cat-back (valve exhaust), built to your VIN |
|---|---|
| Vehicle and chassis code | BMW X5 xDrive50i F15 |
| Engine | 4.4-litre twin-turbo V8, 450 hp and 650 Nm |
| Years | 2014-2018 |
| Materials and finishes | 304 stainless steel or titanium; titanium in brushed, gold or purple |
| Valves | Factory valve control if the car has it, otherwise the Rog remote |
| Front section (option) | Front section with a 200-cell or 100-cell catalyst, or decat |
| Fitting | Clamps and gaskets, no welding, about 2 hours |
| Manufacturing and delivery | Made to order, 20 working days, free delivery |
| Warranty | 3 years, parts and workmanship |
Questions about the BMW X5 50i F15 V8 4.4T exhaust.
M50i or 50i badge: is it really the X5 50i F15 system?
Yes: BMW identifies this generation’s V8 as the xDrive50i, and we have corrected the M50i badge in our data; your SUV’s VIN is then used to check everything before manufacturing.
Does an X5 xDrive50i F15’s V8 have something in reserve?
Around 536 hp and 788 Nm according to published Stage 2 figures, with the front section and a remap at an approved tuner, to be confirmed according to the condition of the engine and transmission; the cat-back alone does not affect it.
BMW X5 50i F15 V8 4.4T with a Rog exhaust: what should you know about vehicle inspection?
With the cat-back only or the 200-cell sports catalytic converter, emissions control is retained: present the car with the valves closed. The 100-cell brings more sound and flow, and whether it is accepted at the emissions test depends on the car and local rules; the decat version is intended for track use.
Does an equipped X5 50i stay discreet in town?
Yes: with the valves closed, it keeps its original calm at the traffic lights as well as outside the school; the V8 only speaks up at your request.
For the V8 of an X5 50i, stainless steel or titanium?
304 stainless steel keeps a deeper rumble and shrugs off winters; titanium is around 40% lighter for the same design and makes the note clearer at full load.
BMW X5 50i F15 V8 4.4T: Does a valved exhaust system drone?
No. With the valves closed, the gases flow through the whole rear silencer and the cabin stays calm at a steady speed. Our Rog exhausts are designed to avoid drone. Learn more: Why our systems stay calm on the motorway.
BMW X5 50i F15 V8 4.4T: straight pipe or resonator?
On this model, two characters at the same price: the straight pipe for the raw sound of your engine, unfiltered, or the resonator for a rounder and slightly softer voice. Either way, the exhaust stays fully sporty. Learn more: Exhaust resonator: what does it do? Straight pipe or resonator, which sound to choose.
Rog expert guide
BMW X5 50i F15 V8: a biturbo V8 behind a sensible face, the exhaust system guide
The X5 50i F15 is the V8 version of BMW's large SUV: 450 hp, abundant torque and four-wheel drive to move it with authority. Everything was tuned so that this eight-cylinder would go unnoticed, starting with the factory exhaust system....
In detail
Rog Advisor
A question about this exhaust?
Fitment, sound, catalyst, valves, delivery: the answer comes straight away, with your configuration in context.
The Rog Advisor is an automated assistant trained on our product pages and answers. For an important decision, write to us: we confirm by e-mail.
Unsure about your configuration? Talk to us before you order. We know your car. Write to us at contact@rogmotorsport.com: we reply in writing, in English, within 24 hours. Email us
Reviews imported from our previous system and translated from French; verified purchases carry the badge.
Rog presentation film: choosing your vehicle, Standard or Equal Length design, stainless steel or titanium, Z-Pipe, controlled valves, titanium and tip finishes, and support from choosing your configuration through to shipping.
THE Rog CRAFT
Our process.
From the first bend to the last check. The same care at every step.
-
Design
Designed for your vehicle.
Geometry matched to your model, carefully studied bends and precise mounting points. Everything starts with accurate design.
-
Manufacture
Crafted with precision.
Tube bending, part fitting and TIG welding: every joint receives the same care.
-
Finishing
Material, elevated.
The finish reveals the character of the metal. Stainless steel or titanium, depending on the options available for your vehicle.
-
Assembly
Every part in its place.
Components are assembled and adjusted. On valved systems, the mechanism is fitted, set up and tested.
-
Inspection
Check. Then approve.
Geometry, welds, connections and gas flow: the key points are inspected before shipping.
-
Shipping
Ready to join you.
Reinforced packaging protects your exhaust in transit. The final step before giving your vehicle a new voice.
Customer builds
Your videos & photos
The Rog lines fitted on our customers' vehicles, in real conditions.
- Builds
- 500+
- Brands
- 28
- Satisfaction
- 4,9
The journal
News & advice
Best valved exhaust for the BMW M2 G87
Which valved exhaust for a BMW M2 G87? The options compared (sound, material, valves) and the Rog system made to...
Read the articleBest valved exhaust for the Audi RS3 8Y
Which valved exhaust for an Audi RS3 8Y? The options compared (sound, material, valves) and the Rog system made to...
Read the articleBest valved exhaust for the Mercedes-AMG A45 / A45 S W177
Which valved exhaust for a Mercedes-AMG A45 or A45 S W177? The options compared (sound, material, valves) and the Rog...
Read the articleExhaust rules: what changes in 2026 and 2027 (Euro 7, noise cameras, MOT)
Euro 7, new-car noise, noise cameras, MOT and vehicle inspection, and models: what really changes in 2026 and 2027 for...
Read the articleChanging your exhaust: what inspections and approvals cost in 9 countries
What the periodic inspection and the check of a modification cost after changing your exhaust, in 9 European countries: official...
Read the articleIs a cat-back exhaust legal in Ireland? What the NCT checks.
A cat-back leaves your factory cat, sensors and OBD as they are; valves closed, very close to stock, valves open,...
Read the articleSports exhaust (sportsummuti) in Estonia: what the tehnoülevaatus checks.
The sound you choose, a discreet car when it matters: what a Rog valved exhaust gives you in Estonia, how...
Read the articleSports exhaust in Latvia: tehniskā apskate and the CSDD noise limit.
The sound you choose, a discreet car when it matters: what a Rog valved exhaust gives you in Latvia, how...
Read the articleNo article matches this search.
All articles