CSF 2014+ BMW M3/M4 (F8X) Top Mount Charge-Air-Cooler - Raw Finish

CSF 2014+ BMW M3/M4 (F8X) Top Mount Charge-Air-Cooler - Raw Finish

Marsoni

M251S

$847.50

Get it in 3 business days with 1 day shipping. Friday, May 29

CSF 2014+ BMW M3/M4 (F8X) Top Mount Charge-Air-Cooler - Raw FinishThe S55 suffers heavily from heat soak. Many tuners witnessed this early on after doing multiple dyno pulls and seeing significant drops in power after each consecutive pass. Many F8X owners experienced the same loss of power on the track as the engine just could not cool off during laps. The solution is two fold: The Charge Air Cooler (CSF #8082 8082R) & Front Mount Heat Exchanger (CSF #8075 8075V) work together to keep the intake temps down and

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Keeping track of longevity. Had these bulbs for a month and will try and update if they fail. Unfortunately a while ago I hit a cow, seemed to just pop up out of nowhere, the truck was rebuilt and I wanted more/better road lighting. I am using these in a Mack truck for work so they are getting used. I run at least 10 hours a day, 5+ days a week and have at least 11k miles on them since installed. Install is just like a standard bulb no special steps needed. Produce a lot of light and good patterns on high and low beam. So far I really have only had one issue with the bulbs and that is the daylight running light/DRL operation, they don't work I believe the Mack drops the voltage to slightly dim the lights when running in DRL operation and this causes the bulbs to just intermittently flash so I just run with them on all the time. This I don't believe is the bulbs fault and is more an analog vs digital issue. Therefore I'm testing the longevity of the bulbs if my truck is running they are on. Will see how they do as the days get hotter as they are in a small sealed space.

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Reviewed in the United States on April 26, 2026

Verified Purchase

Ted F.

Omaha, US

★★★★★ 5

Wow bright!

Size: H11+9005, Size: H11+9005

I have used Fahren LED headlights in two of my other vehicles so I had a baseline of what to expect, but these upgraded ones are even brighter than the ones in my other two cars. I love this brand because they are plug and Play so I have not experienced any compatibility issues. These feel high quality as I have expected due to past experience with this brand. I much prefer the bright white color of LED versus the yellowish Amber of halogens. I have been using this brand for several years now so I expect a good lifespan from this as I have experienced from other bulbs from this manufacturer. As far as value goes, the increase in visibility installing these is worth every penny and then some.

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Reviewed in the United States on December 19, 2025

Verified Purchase

Denis

Boise, US

★★★★★ 4

Good light, but blinding

Size: H7

The light itself is good and bright and fits well, but I don't know if I installed it wrong, but the driver's side is very blinding, and I feel bad for other drivers and can't do anything about it.

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Reviewed in the United States on May 12, 2026

Verified Purchase

Melissa Aguilera

Grantham, US

★★★★★ 5

Best product for truck

Size: H11+9005-100,000LM

Works great and very bright

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Reviewed in the United States on May 31, 2026

Verified Purchase

Codie Garee

Dallas, US

★★★★★ 4

Easy to install, extremely crisp and bright

Size: H7

My H7 Termitor Headlights are wonderful for my 2014 VW Jetta SE 1.8l turbo. Extremely bright and super easy to install since they have the exact fitting as the factory bulbs. Only thing I would have done differently is to use the adapter to maintain steady light. Whenever I'm in gear or roll the windows up or down I can see the lights dim and after I drive for a while they aren't as bright as when I first started the car. Otherwise they are great, very bright, no warm up time, and clean crisp light. They're even brighter than my factory brights (which I still have installed with the factory bulbs, can't even tell they're on with these!)

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Reviewed in the United States on January 19, 2026