S85 Sealed Carbon Air Intakes
by InfinityDesign
The S85 V10 is notoriously sensitive to Intake Air Temperatures (IAT).
They will suffer from heat soak with exposed filter designs and reduce power output.
The OEM sealed configuration is critical to these engines performance - yet it left a lot on the table.
Technology has moved on since 2004.
In 2021, InfinityDesign went to the drawing back to release this new flow optimized these sealed carbon intakes.
More power, more sound, no heat soak.
Matt / @m3_epoustouflant![]()
The foundation to high displacement, high revving M engines
Sealed design FTW.
In this article written in collaboration with Salman @ InfinityDesign, I take you into the origins of the mission critical E60 M5 V10 sealed intake design.
It is with this knowledge in mind that Sal improved upon BMW's design in 2021.
The Specs
The cone filter at its core.
The sandwich'ed, oiled filter configuration allows the upper inlet tube to determine the air flow.
Fits with OEM air ducts
The lower housing is designed to be plug and play with the OEM air ducts at the front bumper, and into the chassis.
Integrated MAF
The MAF housing is designed into the carbon inlet tube.
Pre-preg & autoclave'd carbon construction
The thinner pre-preg carbon constructions allows for more induction noises to come through.
Available in Gloss or Matte
The finish is achieved using a 2 component automotive clear coat.
+15 whp without tuning
As expected, gains are made above 6,000 RPM where the OEM intake are restrictive.
Spec your kit
Installation Notes
This is a simple DIY. Plan for 60 minutes.
Included Hardware
4x carbon fiber housings
2x air filters
2x black metal clamps
1x filter for intake breather valve with 2x clamps and bolt
1x bracket for wiper fluid fill with bolt & nut
2x bolts for MAF housings
Get more power
My stage 1 tuned + sealed carbon intake equipped M5 was faster by 0.8s time from 100 to 200 kph versus my previously stock times.
Infinity Design
S85 DME Tuning by Salman
Regular price
Sale price
It's gotta be the shoes!
I often say flash tuning are sold like Jordans.
A fundamentally technical & technological product that gives us an edge yet very few of us actually understand the wizardry involved. Some tuners downloaded their files from “somewhere” and sell it for cheap, others just boost throttle mappings for some placebo.
And we fall for it.
Read more about how I discovered Infinity Auto Design and its head of product; Salman. I also give my first impressions on Stage 1 tuning and the process to getting it tuned
Developed by the Grand-Daddy of S85 tuning: Sal.
Salman Janjua is the previous owner of Evolve and known for having developed some of the most popular, quality products for the S85.
The Infinity Auto Design DME tune has been offered for over 10 years across various different brands and tuners using Sal's tunes. It is the longest running tune with cars across the world flawlessly and delivering unrivalled drivability and performance.
He developed the tuning files on multiple company and personal owned cars both on road and dyno.
"Like caffeine for your V10"
The BMW S85 engine responds incredibly well to tuning with changes made to ignition, VANOS and torque maps. Power gains are felt and measured throughout the RPM range accompanied by sharper throttle response and a smoother overall power delivery.
A realistic and repeatable peak 30hp @ 7800rpm gain with 20lb.ft @ 6250rpm torque is achieved with a peak gain of 35hp @ 8000rpm when primary catalytic converters are already removed.
Dyno graph of stage 2
Improved Fuel Consumption (seriously)
Our thirsty beasts will never be Prius, but 20 liter to 100km has always been a completely ridiculous number.
The stage 1 tune on my S85 noticeably reduce consumption - no jokes! I am never frequently able to hit 400km on a 60 liter tank.
I can live with 15 liter to a 100km.
Stage Tuning
Tuning is often offered in "stages", it's a useful rule of thumbs. Here's how Sal defines his stages.
Numbers are based on stock S85 dynojet figures of 430whp.
| Stage # | Required Modifications | Expected Peak Power |
| 1 | None. I highly recommend the sealed air intakes. | 450whp |
| 2 | Primary cat deletes & aftermarket long tube headers. | 470 to 475whp |
| 3 | Optimized for V3 long-tube, equal length headers. Further mid-range gains of 10whp 4000 to 6000rpm. | 490 to 500whp |
| 3+ | Custom tuning for S85s with cams, strokers and/or superchargers. | Case by case. |
Specifications:
- Compatible with AlphaN and MAF modes
- Raised RPM limit to 8500rpm
- VMax Limit removal
- Cold start delete
- Power calibrations with changes made to ignition, fuel, torque and VANOS maps
- Comes with tuning device, OBD2 cable and USB cable.
Tuning Process
- Once your order is completed & paid, Sal will communicate with you to validate your tune specifications.
- Once you receive the included hardware, follow the accompanied instructions.
- Summary of instructions
- Extract the OEM DME file using the OBD2 Cable & Tuning device.
- Install tuning software to your PC (not Mac compatible).
- Upload your OEM DME file to your PC using the software.
- Email the file to Sal.
- Wait 1-2 business days.
- Download the new tuned DME file to your computer.
- Upload to your tuning device.
- Plug into OBD2, turn on the ignition, flash your vehicle.
*during the flashing process, it is normal to see lights, warnings and other electronic signals. It last a minute or two. - Turn off ignition, unplug the tuning devine.
- Start your S85, and enjoy.
Sal @ InfinityDesign
Legacy knowledge.
InfinityDesign's unique product design and engineering is crafted by the grand-daddy of the most popular S85 products and tuners to hundreds of S85s.
Salman.
As a former Evolve co-owner, he took part in engineering the headers & e-tronic exhaust system, cat deletes, carbon intakes, v8 supercharger kits and tuning maps during the 2000s and early 2010s.
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