Before Adding Carbon Fibre To Your G90 M5, Here's What You Should Know

Before you spend a penny on carbon fibre for your M5, it pays to know what you're actually buying. BMW G90 M5 carbon upgrades cover a wide range of parts, materials and finishes, and not every option suits every car or every budget. This guide covers the main things to check before you commit to a carbon build.

Before you browse the full G90 M5 carbon parts range, it helps to understand the differences between the materials on offer. Getting this right from the start makes it far less likely that you'll order the wrong part.

What 'Carbon Fibre' Actually Means

Carbon fibre isn't a single product. The type of weave, the resin and the way a part is made all affect how the finished item looks, and terms like 'pre-preg' and 'dry carbon' are used quite loosely across the industry.

Pre-Preg Carbon

Pre-preg is short for pre-impregnated. It describes carbon fibre cloth that already contains a measured amount of resin before it goes into the mould. Not every part in a range is made in the same way, so the product description is the best place to confirm how a specific item is constructed.

What 'Dry Carbon' Means

'Dry carbon' isn't a strictly defined technical term. It's most commonly used to describe pre-preg carbon fibre, where the cloth arrives already impregnated with a controlled amount of resin, rather than being wetted by hand during moulding. Because the term is used loosely, some sellers apply it to other processes too, and it doesn't in itself tell you how good a part is. Vacuum-bagged resin infusion, for example, is a separate process in which resin is drawn through dry cloth once it's in the mould, so it shouldn't be treated as a definition of dry carbon.

If a listing uses the term, check how the part is described and ask the supplier what it means for that product. Our team can confirm the construction of any part in our range.

Factory Carbon And Aftermarket Carbon

BMW offers its own carbon fibre options on some models, and it's worth checking what's available through your dealer before you shop elsewhere. Factory options and aftermarket parts are designed differently, and the styling of aftermarket parts can vary widely from one supplier to another. Rather than assuming one route is better, compare the product photos, descriptions and fitment information for each part.

Weight, Balance And What To Expect

The weight of a carbon part depends on the part and how it's made, so any saving on a single piece is likely to be small. The M5 is a large, heavy car, so treat carbon upgrades as a styling choice rather than a way to change how the car drives. Owners who go in with that mindset tend to be happier with the result than those looking for performance gains from styling parts.

Fitment Checks Before You Buy

Getting the right part for your exact car matters more than most owners expect, because the 5 Series name covers several chassis codes.

The standard 5 Series saloon is the G60 and the Touring is the G61. The M5 saloon carries the G90 code, and the M5 Touring is the G99. Parts are made for specific chassis codes, and body shapes differ between models, so check the exact chassis code on your V5 or door plate before you order. Then read the listing name to confirm it covers your car.

Choosing Between Full Sets And Single Parts

You don't need to fit everything at once. Plenty of owners start with one part, live with it for a while and build from there.

A smaller part, such as a spoiler or mirror covers, is a good starting point because it shows you how gloss black and carbon sit against your paint colour before you commit to larger pieces. Fitting in stages also spreads the cost and the fitting work, which helps if you'd rather have a professional fit each part.

Setting Realistic Expectations

Aftermarket upgrades change how the car looks far more than how it drives. Our parts are sold as styling upgrades, so unless a product listing gives specific performance information, treat them as visual improvements. The biggest change most owners notice is the shadow lines and stance that carbon trim adds to the bodywork.

Stock and offers change through the year, so check our current sale range before you plan a bigger order.

Tips For First-Time Buyers

A few habits make the difference between a clean first build and a frustrating one:

• Confirm your exact chassis code (G60, G61, G90 or G99) before ordering.
• Check whether the part is pre-preg carbon or gloss black, because the finish differs.
• Read the product description for construction and finish details, and ask if anything isn't clear.
• Choose a qualified installer for larger parts, rather than rushing the job.
• Follow the fitting information supplied with each part.

These tips apply whether you're adding a single mirror cover or planning a larger package.

Where To See Real Builds

Photos and spec sheets only tell half the story. Seeing a part fitted to a real car tells you more about how it looks than a studio shot on a product page. Our pre-preg carbon fibre guide covers the material in more detail.

Owners share their own builds and ask fitment questions on our Facebook page, which is worth a browse before you settle on a final parts list. Asking questions before you order is far easier than after fitting, and our team can confirm whether a part suits your exact car.

Frequently Asked Questions

Final Thoughts

Adding carbon fibre to a G90 M5 comes down to a bit of homework before you buy. Confirm your chassis code, understand the material behind the part, and decide whether you want a subtle look or a bolder one.

If you're ready to plan your build, reach out through our Contact Us page and our team will help you choose parts that suit your car and budget. You can also browse the full range on the Carbon Factory homepage.