BMW X5 M50i G05: the biturbo V8 athlete, the exhaust system guide
The X5 M50i G05 packs a 530 hp, 750 Nm 4.4 biturbo V8 into a large family SUV, and the result is an athlete disguised as a tourer. Yet its factory exhaust keeps most of what this V8 has to say to itself, to the point of passing it off as a mere six-cylinder. This guide explains, option by option, how to configure the Rog exhaust that will give it back its voice.
Your valved exhaust for BMW X5 M50i G05 is configured from your VIN, and the BMW X5 G05 Valved Exhaust page brings together every system we make for this generation.
Valved Exhaust System for BMW X5 M50i G05 4.4TT (2019-2022)From $4,669 · free delivery · 20 working days
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Your Rog exhaust for the BMW X5 M50i G05
Price shown on the product page, in your currency
Configure my exhaustThe short answer.
- Vehicles
- BMW X5 M50i G05 4.4TT (2019-2022)
- Engine
- 530 hp · 750 Nm
- Exhaust
- Valved cat-back, built for your VIN
- Material
- 304 stainless steel or titanium
- Front section
- Optional: catted downpipe with 200 or 100 cells, or decat
- Valves
- Rog remote, or factory control if your vehicle has it
- Lead time
- 20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship
Closely related versions have their own guide: BMW X5 40i B58 G05 3.0T, BMW M5 F10 4.4TT, BMW M550i N63 G30 4.4TT, BMW M6 F06 / F12 / F13 4.4TT.
The X5 M50i's 4.4 biturbo V8: turbos housed in the valley of the V
The M50i gets a 4.4-litre V8 with both turbos housed between the cylinder banks, in the valley of the V. This layout shortens the path of the gases to the turbines and encourages a quick response to the throttle. Here it produces 530 hp and 750 Nm, sent to all four wheels by the xDrive system, enough to move this large SUV with disconcerting ease.
The downside of this layout: the turbos placed at the centre of the engine and a heavily baffled factory exhaust stifle the growl typical of a V8. The valved Rog exhaust fits in its place with no work on the engine or the ECU. With the valves open, you get back the depth of an eight-cylinder, and with the valves closed, you keep the calm you expect from a premium SUV on long journeys.
How the exhaust on your BMW X5 M50i G05 is put together
An exhaust system is best understood in two parts. Here is what each one does, and what Rog replaces.
The cat-back is the complete exhaust system
It is everything you can see under your BMW X5 M50i G05, from the outlet of the front section to the tips: pipes, muffler, valves. This is the part where most of our research and development goes: it is what shapes the sound, and it is enough on its own to transform the car.
The front section, where the catalytic converter sits
On your BMW X5 M50i G05, this is the downpipe, the pipe that leads away from the turbo. It contains the factory catalytic converter: the second restriction in the exhaust, after the muffler. Replacing it is optional: it frees up the flow, and it is the ECU remap that turns that into horsepower.
Your BMW X5 M50i G05 in figures
An exhaust system is judged first by ear and on the scales. The extra horsepower comes from an ECU remap.
Power
Torque
Published factory and Stage 2 figures.
The Rog exhaust works with or without an ECU remap. To get the full potential out of your BMW X5 M50i G05, we recommend taking it to an approved tuning centre afterwards.
With two turbos and a large displacement, this V8 has considerable headroom, which a Stage 2 remap exploits by raising boost pressure, together with suitable downpipes. This kind of tuning is best left to a specialist and depends on the condition of the mechanicals; the Rog exhaust is a natural foundation for it.
Configuring your exhaust, step by step
3 choices, in the same order as the product page configurator.
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Step 1 of 3: Material: stainless steel or titanium
Titanium costs more than stainless steel; the price of each version is shown on the product page, in your currency.
304 stainless steel
- Weight
- Baseline
- Sound
- Full and rounded
The safe bet: strong, corrosion-proof, with a full, rounded sound. The best value for money.
Titanium
- Weight
- Around 40% lighter
- Sound
- Metallic, crystal-clear
It makes the exhaust around 40% lighter for the same design. Its note is more metallic and clearer higher up the rev range, and its finish ranges from brushed to blued.
No worries on durability: 304 stainless steel shrugs off winter road salt and titanium does not rust. Stainless steel or titanium: what really changes.
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Step 2 of 3: Front section: downpipe and catalytic converter
Optional: the downpipe on your BMW X5 M50i G05, with its catalytic converter. Each option is placed on our sound scale of 0 to 10, valves open, with the factory exhaust at 3.
Cat-back only
Included
7/10Factory emissions control
The factory front section stays in place. It is already a complete transformation, and the choice of many of our customers.
200-cell sports catalytic converter
8/10Road use and inspection
More flow, emissions control retained: the right option for road use.
100-cell sports catalytic converter
9/10Inspection: depends on local rules
More open than the 200-cell: the sound hardens at high revs and emissions control is reduced.
Decat
10/10Track use
Flow with no filter at all: the rawest sound and the sharpest response.
Sound intensity, on a scale of 0 to 10
- 10/10Decat downpipe + Rog cat-back
- 9/10100-cell sports catalytic converter + Rog cat-back
- 8/10200-cell sports catalytic converter + Rog cat-back
- 7/10Rog cat-back only, factory catalytic converter retained
- 3/10Factory exhaust, for comparison
Valves open. With the valves closed, every configuration becomes discreet again.
What about the engine warning light? With a sports cat, it can come on with some engines: the sensor placed after the catalytic converter measures a different level of emissions control from the original. It is not a mechanical failure, but a warning light should never be masked or cleared without dealing with its cause: the right answer is a catalytic converter suited to the engine, with a map by a tuner who takes it into account. The decat version, for track use only, almost always triggers it. If this happens to you, write to us and we will point you in the right direction. Passing vehicle inspection with a sports exhaust.
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Step 3 of 3: Valves: Rog remote or factory control
Two ways to control the valves on your BMW X5 M50i G05.
Rog remote
A discreet control unit in the trunk and a two-button remote: you open and close whenever you like, independently of the drive modes. For fitting, we support you by email.
Factory control
- Only for vehicles fitted with factory valves
- Controlled by the drive modes
For vehicles fitted with factory valves: the exhaust connects to their control and the drive modes stay in charge, with no extra control unit.
At 130 km/h, many sports exhausts drone. Here, with the valves closed, the exhaust flows through the muffler and stays composed when cruising; open, it makes itself heard when you choose. More about exhaust drone.
Your choices carry over to the product page: only the finishes, your VIN and the cart remain.
The Rog sound signature on the X5 M50i's biturbo V8
A cross-plane V8 has a voice like no other: an uneven rumble at idle, then a full, deep build through the revs. On the X5 M50i, the turbos round off this tone, and the factory exhaust reduces it to a deep whisper barely noticeable in the cabin.
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.
With the valves open, the Rog exhaust lets the V8 rumble at every start-up and swell with every acceleration, with far more noticeable downshifts. With the valves closed, the X5 becomes once again a relaxed family SUV, able to cover mile after mile without anything disturbing the conversation on board.
From order to fitting
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Configuration
You configure the exhaust and enter the VIN from box E of your registration document or from the base of the windshield.
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Check
Your VIN is checked before any manufacturing begins.
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Manufacturing
The exhaust is produced to order, for your vehicle.
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Delivery
Free, insured parcel, tracking number from dispatch.
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Fitting
Around two hours in the workshop, with no welding or cutting.
20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship, from the date of purchase
- Payment
- Card, PayPal or bank transfer
- Installation
- At the garage of your choice
Is your BMW X5 M50i G05 still under the manufacturer's warranty? In Europe, the manufacturer cannot refuse it simply because a part from another brand has been fitted: it is up to them to prove the fault comes from it. Our article on the manufacturer's warranty.
Our recommendations for your BMW X5 M50i G05
-
Daily driving
- Stainless
- Cat-back only
- Rog remote
Your BMW X5 M50i G05 stays easy to live with, the factory emissions control is retained, and you open the valves when you decide.
View this configuration -
Fast road
- Titanium
- 200-cell downpipe
- ECU remap
The best of both worlds: character and breathing, with emissions control retained.
View this configuration -
Track
- Titanium
- Decat downpipe
- Stage 2
The most extreme configuration, for track use only.
View this configuration
Every BMW X5 M50i G05 has its own history and use: if none of these profiles fits you, let's talk.
BMW X5 M50i G05: your questions
How much power does an exhaust add on the BMW X5 M50i G05?
As standard, the BMW X5 M50i G05 produces 530 hp and 750 Nm. The exhaust alone acts first on sound, breathing and weight; the extra horsepower comes from an ECU remap. With a Stage 2 build, the published figures reach 700 hp and 980 Nm.
Stainless steel or titanium: which material for the BMW X5 M50i G05?
The Rog exhaust comes in stainless steel and titanium, at the price shown on the product page in your currency. Stainless steel is the safe bet, with a full sound; titanium makes the exhaust around 40% lighter and gives a more metallic note higher up the rev range.
Do you need to replace the catalytic converter on the BMW X5 M50i G05?
It is not compulsory. The cat-back alone is enough to change the character of the BMW X5 M50i G05. Replacing the downpipe is how you go further, together with an ECU remap: 200 cells for the road, 100 cells or decat for more radical use.
Will a Rog exhaust pass vehicle inspection on the BMW X5 M50i G05?
The cat-back only and the 200-cell converter keep emissions control: present the BMW X5 M50i G05 with the valves closed. With the 100-cell, acceptance at the emissions test depends on the car and local rules; the decat is intended for track use.
How is the Rog exhaust fitted on the BMW X5 M50i G05?
With clamps and gaskets, no welding or cutting: around two hours in the workshop for a well-equipped mechanic. The exhaust is built to the VIN of your BMW X5 M50i G05.
What price and lead time for a Rog exhaust on the BMW X5 M50i G05?
The price depends on the configuration and is shown on the product page, in your currency. Allow 20 working days from order confirmation to delivery. Delivery is free and the exhaust comes with a 3-year warranty.
Valved Exhaust System for BMW X5 M50i G05 4.4TT (2019-2022)
From $4,669 · 3-year warranty
Configure my exhaustUnsure about your configuration? Write to us.
Stainless steel or titanium, cat-back only or the complete system: the right choice depends on how you use your BMW X5 M50i G05. We take the time to talk it through before you order, with a reply within 24 hours. We are not here to push a sale: we help you choose, even if that means a cheaper option because it suits the way you drive. Write to us: we reply in writing, in English.
Rog is a French brand, and the way we work comes down to one idea: an exhaust system should be sold with advice, not just a product page. More than 500 exhaust systems fitted and a rating of 4.9 out of 5.
Further reading
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