Millway Motorsport BMW Blue M Front Caliper Stainless Racing Pistons | 90523-40-8
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Description
Millway Motorsport BMW Blue M Front Caliper Stainless Racing Pistons | 90523-40-8
Genuine Millway Motorsport 90523-40-8, manufactured in Sweden for BMW/Brembo four-piston front blue M Performance brake calipers on selected F20/F21/F22/F23 and F87/F80/F82/F83 models. Designed for track-focused suspension and chassis preparation, with UK pricing including VAT.
Specifications
- Eight diamond-polished stainless-steel caliper pistons, sufficient for both front four-piston calipers
- Heat-resistant piston construction intended for motorsport brake temperatures
- Piston-air-gap design to moderate heat transfer at the brake pad interface
- Direct caliper service upgrade only when the original BMW/Brembo piston dimensions match
Vehicle fitment
BMW/Brembo four-piston front blue M Performance brake calipers on selected F20/F21/F22/F23 and F87/F80/F82/F83 models. Double-check the vehicle, axle and hardware against the manufacturer reference, particularly if other aftermarket parts are fitted.
Fitting and important exclusions
TRACK/RACE USE: These racing pistons do not accommodate the original dust boots or seals. Not suitable for every BMW brake package; specifically check 2NH and alternative calipers before ordering. This is a specialist brake rebuild; have a qualified technician fit, bleed and test the system.
Part number: 90523-40-8. Product SKU: MW90523-40-8. Hack Engineering source pricing used as UK RRP. Lead time and stock subject to supplier confirmation.
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More information
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Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
Finance Options
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Specifications
- Brand
- Millway Motorsport
- Product type
- Brakes
- SKU:
- MW90523-40-8
- Vehicle make
- BMW
- Vehicle model
- M135i, M140i, M235i, M240i, M2, M3, and M4
- Vehicle variant
- F20, F21, F22, F23, F80, F82, F83, and F87
Need help?
Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
Which brake specification do I need?
Confirm the axle, fitted caliper and disc dimensions against the listing. Different factory brake packages can be fitted to the same model. If you are unsure, send us your vehicle details and photographs of the current brakes before ordering.
How do I choose between road and track options?
Tell us whether the car is used on the road, for occasional track days or for competition. Check the stated compound or product specification, and any usage restrictions in the listing. We can help you compare the available options for your intended use.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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