What does the CNC Aftercooler Cooling Kit for F80 include?

The CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C is a three-piece kit: a CNC machined top-mount aftercooler, silicone hot-side charge pipes with all adapters and stainless hose clamps, and a larger heat exchanger. Active Autowerke sells the three parts as one cooling upgrade for the S55.

Do I need a tune to install the aftercooler kit?

No. Active Autowerke describes the kit as a bolt-on replacement for the factory aftercooler, charge pipes and heat exchanger and lists no software requirement. Its purpose is to keep intake air cooler on a hard-driven S55, so the engine computer has less reason to reduce power to guard against detonation.

Why replace the factory S55 charge pipes?

Active Autowerke notes that the factory plastic charge pipes develop hairline fractures at their seams that cannot be seen at rest but open under boost, leaking charge air and making the turbochargers work harder to reach target boost. The replacement pipes are 5-layer silicone, which does not add to heat soak.

How much does the kit reduce heat soak?

In Active Autowerke testing, the factory cooling system heat soaked after three pulls, while a car fitted with this kit and its heat exchanger had not heat soaked after seven. Active Autowerke does not publish the test vehicle or intake temperatures, so the result stands as its own comparison.

Does the kit fit the M2 Competition and the M4 convertible?

Yes. Active Autowerke lists the F80 M3, the F82 M4 coupe, the F83 M4 convertible and the F87 M2 Competition, all powered by the twin-turbo 3.0 liter S55 with a top-mount charge air cooler. The earlier F87 M2 with the N55 engine is not on the list.

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Description

Active Autowerke CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C

Active Autowerke’s CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C replaces the three parts of the S55 charge-cooling circuit that a tuned engine overwhelms first: the top-mount aftercooler, the hot-side charge pipes and the heat exchanger. The aftercooler is built around a tube and fin core drawn for the S55, closed by billet machined aluminum end tanks and TIG welded throughout. In Active Autowerke testing the factory system heat soaked after three pulls, while this kit had not after seven. The company is candid that these parts hold power as temperatures climb rather than add peak horsepower, which makes the kit most useful on a modified S55 that sees repeated hard runs.

Construction

Each piece answers a specific weakness. The factory charge pipes are compressed plastic, and Active Autowerke notes that they develop hairline cracks at their seams which open under boost and leak charge air. The replacements are 5-layer silicone, chosen because silicone does not add to heat soak and molds easily to tight clearances.

Features

Tube and fin core designed specifically for the S55
Billet machined aluminum end tanks, not cast, folded or bonded, for even coolant flow through the core
CNC machining, TIG welding and high precision fittings to prevent pressure loss
Carbon fiber coating on the visible top of the aftercooler
Larger, more efficient heat exchanger than the factory unit
Bolt-on replacement for the factory parts

What’s Included

CNC top-mount aftercooler
Silicone hot-side charge pipes with adapters and stainless hose clamps
Heat exchanger

Applications

BMW M2 Competition: F87 | 2019-2021 | 3.0L S55
BMW M3: F80 | 2015-2018 | 3.0L S55
BMW M4: F82 / F83 | 2015-2020 | 3.0L S55

Notes

Active Autowerke designed the CNC Aftercooler Cooling Kit for F80 to hold power under repeated load and claims no peak horsepower gain for it
The heat soak comparison comes from Active Autowerke testing; the company does not name the test vehicle or publish intake temperatures
Fits the S55-engined F87 M2 Competition; the earlier N55 F87 M2 is not listed by Active Autowerke

Frequently Asked Questions

What does the CNC Aftercooler Cooling Kit for F80 include? The CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C is a three-piece kit: a CNC machined top-mount aftercooler, silicone hot-side charge pipes with all adapters and stainless hose clamps, and a larger heat exchanger. Active Autowerke sells the three parts as one cooling upgrade for the S55.
Do I need a tune to install the aftercooler kit? No. Active Autowerke describes the kit as a bolt-on replacement for the factory aftercooler, charge pipes and heat exchanger and lists no software requirement. Its purpose is to keep intake air cooler on a hard-driven S55, so the engine computer has less reason to reduce power to guard against detonation.
Why replace the factory S55 charge pipes? Active Autowerke notes that the factory plastic charge pipes develop hairline fractures at their seams that cannot be seen at rest but open under boost, leaking charge air and making the turbochargers work harder to reach target boost. The replacement pipes are 5-layer silicone, which does not add to heat soak.
How much does the kit reduce heat soak? In Active Autowerke testing, the factory cooling system heat soaked after three pulls, while a car fitted with this kit and its heat exchanger had not heat soaked after seven. Active Autowerke does not publish the test vehicle or intake temperatures, so the result stands as its own comparison.
Does the kit fit the M2 Competition and the M4 convertible? Yes. Active Autowerke lists the F80 M3, the F82 M4 coupe, the F83 M4 convertible and the F87 M2 Competition, all powered by the twin-turbo 3.0 liter S55 with a top-mount charge air cooler. The earlier F87 M2 with the N55 engine is not on the list.

About Active Autowerke

Active Autowerke was founded in Miami, Florida in 1981 by brothers Mike and Karl Hugh as a BMW service shop, and turned to performance in late 1995 when Karl, a University of Miami engineering graduate, led its first M3 and 325i turbo kits. Supercharger kits for the E36, E46 and E9X followed, and its Signature Equal Length mid-pipe is protected by US Patent 11248511 and European and UK Patent 3882441.

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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Active Autowerke CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C

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Active Autowerke CNC Aftercooler Cooling Kit for F80 / F82 / F83 BMW M3 / M4 and F87 M2C

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What’s Included

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Frequently Asked Questions

About Active Autowerke

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