What problem does the BMW S63 charge cooler solve?

The factory S63 charge coolers struggle under higher power levels and sustained hard use, allowing intake air temperatures to rise until the engine management pulls timing and boost to protect the engine. The MMX BMW S63 charge cooler eliminates that limitation with 28% more core capacity per unit, suppressing IATs and heat soak to deliver consistent power without the cool-down recovery periods the stock system requires.

Will the larger BMW S63 charge cooler add turbo lag?

No. MMX's development specifically targeted the sweet spot between maximum IAT reduction and minimal pressure drop, ensuring the larger core capacity does not introduce measurable additional lag. The charge coolers are designed to improve throttle response and power delivery, not restrict them.

Is the BMW S63 charge cooler suitable for the F90 M5 as well as the F10?

Yes. The BMW S63 charge cooler set fits both the F10 M5 (2011-2016) and the F90 M5 (2018-2023), as well as the F12 and F13 M6, all running the S63 4.4L V8 twin-turbo. Fitment on the F06 Gran Coupe M6 is not confirmed — contact us before ordering for that chassis.

Is this BMW S63 charge cooler upgrade suitable for stock-tune cars?

Yes. While the upgrade becomes increasingly important as power levels rise, suppressing IATs and heat soak benefits any S63 under hard use, including stock-calibration cars driven on track or in spirited back-to-back sessions where the OE coolers are known to saturate.

Does the BMW S63 charge cooler installation require any cutting or modification?

No. The BMW S63 charge cooler set installs without cutting, drilling, or permanent modification to the car, making it fully reversible.

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Description

MMX Twin Charge-Air Coolers for F1x / F90 BMW M5 and M6 (S63)

BMW S63 charge cooler from MMX Performance is a purpose-built twin charge-air cooler upgrade for S63-powered F10/F90 M5 and F12/F13 M6 models, engineered to deliver significant gains in power and torque by dramatically lowering charge-air temperatures under sustained hard use. The factory S63 charge coolers are a well-known limiting factor at higher power levels: as intake air temperatures rise through back-to-back hard pulls, the engine management pulls timing and boost to protect the engine, producing the power fade and extended cool-down recovery times that limit back-to-back performance on track and during spirited road use. The MMX BMW S63 charge cooler addresses this with a large tube-and-fin stepped core delivering roughly double the cooling area and a 28% increase in core size per unit versus OE developed specifically around the sweet spot between maximum intake air temperature reduction and minimal pressure drop so the larger capacity does not introduce added lag. An anti-corrosive thermal coating protects the core long-term. Installation requires no cutting or permanent modification.

Features

28% larger core per charge cooler versus OE, roughly double the total cooling area
Tube-and-fin stepped core design for maximum IAT reduction with minimal pressure drop
Suppresses heat soak and eliminates the cool-down recovery times of the stock system
Sustains repeatable power delivery without thermal fade across consecutive hard runs
Anti-corrosive thermal coating for long-term core protection
No cutting or permanent modification required
Designed and engineered in the UK
Recommended for every stage of S63 tuning

Applications

BMW M5: F10, F90 | 2011-2023
BMW M6: F12, F13 | 2011-2018

Notes

Sold as a twin set covering both charge cooler positions
Fitment not confirmed on F06 M6 Gran Coupe models. Contact us before ordering for that chassis.

Frequently Asked Questions

What problem does the BMW S63 charge cooler solve? The factory S63 charge coolers struggle under higher power levels and sustained hard use, allowing intake air temperatures to rise until the engine management pulls timing and boost to protect the engine. The MMX BMW S63 charge cooler eliminates that limitation with 28% more core capacity per unit, suppressing IATs and heat soak to deliver consistent power without the cool-down recovery periods the stock system requires.
Will the larger BMW S63 charge cooler add turbo lag? No. MMX’s development specifically targeted the sweet spot between maximum IAT reduction and minimal pressure drop, ensuring the larger core capacity does not introduce measurable additional lag. The charge coolers are designed to improve throttle response and power delivery, not restrict them.
Is the BMW S63 charge cooler suitable for the F90 M5 as well as the F10? Yes. The BMW S63 charge cooler set fits both the F10 M5 (2011-2016) and the F90 M5 (2018-2023), as well as the F12 and F13 M6, all running the S63 4.4L V8 twin-turbo. Fitment on the F06 Gran Coupe M6 is not confirmed — contact us before ordering for that chassis.
Is this BMW S63 charge cooler upgrade suitable for stock-tune cars? Yes. While the upgrade becomes increasingly important as power levels rise, suppressing IATs and heat soak benefits any S63 under hard use, including stock-calibration cars driven on track or in spirited back-to-back sessions where the OE coolers are known to saturate.
Does the BMW S63 charge cooler installation require any cutting or modification? No. The BMW S63 charge cooler set installs without cutting, drilling, or permanent modification to the car, making it fully reversible.

About MMX Performance

MMX Performance is a UK-based specialist in performance parts for BMW and MINI vehicles, crafting high-quality upgrades that blend precision engineering, rigorous testing, and motorsport heritage. Driven by enthusiast culture, MMX designs its products in the UK, often putting them through track validation, to ensure durability, fitment accuracy, and on-road performance. Their catalog spans drivetrain components, spacers, hardware, and chassis enhancements, all tailored to elevate both the driving experience and visual appeal of BMW and MINI models.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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MMX Twin Charge-Air Coolers for F1x / F90 BMW M5 and M6 [MMR05-1002]

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MMX Twin Charge-Air Coolers for F1x / F90 BMW M5 and M6 (S63)

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