The Genuine BMW Inner Hex Bolt M8X12 (part number 34111123072) is a precision-engineered OEM fastener designed to meet BMW’s exact specifications for strength, fitment, and durability. Commonly used across BMW’s braking systems and suspension assemblies, this bolt is essential for ensuring long-term reliability and safe operation.
Manufactured from high-strength, corrosion-resistant steel, the M8x12 inner hex bolt guarantees secure fastening even under high-performance conditions. Whether you’re performing a brake service, suspension refresh, or full restoration, genuine BMW hardware ensures compatibility, quality, and peace of mind.
This bolt is used throughout a wide range of BMW models — from classic 3 Series and 5 Series to modern performance icons like the M2, M3, M4, M5, and M8.
Key Features
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Genuine BMW OEM part – 34111123072
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Inner hex design for precise torque application
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High-strength, corrosion-resistant steel construction
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Ensures perfect fitment and OEM reliability
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Commonly used in brake and suspension assemblies
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Designed to BMW’s stringent engineering standards
Compatibility
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1 Series: E82
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2 Series: F87 M2, F87 M2 LCI, G87 M2
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3 Series: E21, E30, E46, E90, E90 LCI, E92, E92 LCI, E93, E93 LCI, F80 M3, F80 M3 LCI, G80 M3, G80 M3 LCI, G81 M3 Touring, G81 M3 Touring LCI
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4 Series: F82 M4, F82 M4 LCI, G82 M4 Coupé, G82 M4 Coupé LCI, F83 M4, F83 M4 LCI, G83 M4 Convertible, G83 M4 Convertible LCI
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5 Series: E12, E28, E34, E39, E60, E61 LCI, F10, F90 M5, F90 M5 LCI, G90 M5, G99 M5 Touring
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6 Series: E24, E63, E64, F06 Gran Coupé, F06 Gran Coupé LCI, F12, F12 LCI, F13, F13 LCI
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7 Series: E23, E32
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8 Series: E31, F91 M8 Convertible, F92 M8 Coupé, F93 M8 Gran Coupé
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X Models: X3 M F97, X3 M F97 LCI, X4 M F98, X4 M F98 LCI, X5 M F85, X5 M F95, X5 M F95 LCI, X6 M F86, X6 M F96, X6 M F96 LCI
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Z Models: Z1 E30, Z4 E85, Z4 E86
Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.
It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.