Genuine BMW ASA Bolt M12 x 42 (M12x42) OEM Fastener 22116778231 - Fits E82 E90 F20 F30 F32 F80 F82 F87 F10 F15 E70 E71 E89 - 1M, M135i, M235i, M2, M3, M4, 335i, 435i, 535i, 640i, 740i, X1 X3 X4 X5 X6, Z4 35is

Original BMW M12 x 42 ASA Flange Bolt - OE Spec Fixing - Part No 22116778231

Authentic BMW hardware for enthusiasts and workshops who want factory-correct fixings. This M12 42 mm ASA flange bolt is an original equipment BMW component, engineered for precise fit and long-term reliability across a wide range of BMW petrol platforms. Ideal for hardware refresh, service work, restoration and performance upgrades where OE specification fasteners are essential. BMW Part Number: 22116778231.

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Why this OE BMW fixing

• Direct replacement with the exact thread, length and head profile for the listed BMW chassis
• Built to BMW’s specification for strength and corrosion protection
• Consistent torque characteristics for trouble-free assembly during maintenance and upgrades
• Maintains factory quality and avoids issues common with generic aftermarket fasteners

We fit these in our own projects and customer vehicles, and feedback has been consistently excellent for fit, finish and reliability. If you want the right bolt first time, this is it.

Compatibility - model and chassis coverage

Used across multiple assemblies on the following BMW models. If unsure, request our free compatibility check before ordering.

1 Series

• E82 135i, 1M
• E88 135i
• F20, F20 LCI M135i, M135iX
• F21, F21 LCI M135i, M135iX

2 Series

• F22 M235i, M235iX
• F23 M235i, M235iX
• F87 M2, M2 Competition

3 Series

• E90, E90 LCI 335i, 335xi
• E91, E91 LCI 335i, 335xi
• E92, E92 LCI 335i, 335xi, 335is
• E93, E93 LCI 335i, 335is
• F30 335i, 335iX, Hybrid 3
• F31 335i, 335iX
• F34 GT 335i, 335iX
• F80 M3, M3 LCI

4 Series

• F32 435i, 435iX
• F33 435i, 435iX
• F36 Gran Coupe 435i, 435iX
• F82 M4, M4 GTS, M4 LCI, M4 CS
• F83 M4, M4 LCI

5 Series

• E60 LCI 535i, 535xi
• E61 LCI 535xi
• F07 GT, F07 GT LCI 535i, 535iX
• F10, F10 LCI 535i, 535iX, Hybrid 5
• F11, F11 LCI 535i, 535iX

6 Series

• F06 Gran Coupe, F06 LCI 640i, 640iX
• F12, F12 LCI 640i, 640iX
• F13, F13 LCI 640i, 640iX

7 Series

• F01 LCI 740i, Hybrid 7
• F02 LCI 740Li, 740LiX, Hybrid 7L

X Models

• X1 E84 35iX
• X3 F25 35iX
• X4 F26 35iX, M40iX
• X5 E70 LCI 35iX, 40iX
• X5 F15 35i, 35iX
• X6 E71 35iX, 40iX
• X6 F16 35i, 35iX

Z Series

• Z4 E89 35i, 35is

Part details

• BMW Part Number: 22116778231
• Size: M12 x 42
• Type: ASA flange bolt, OE BMW fixing

Fitting and installation

Professional installation recommended. MJ Modifications in Warwickshire can supply and fit - request a quote via info@mjmodifications.co.uk. Always follow BMW factory procedures and torque specifications as per the BMW workshop manual. Replace any one-time-use fasteners where specified by the manufacturer.

Compatibility check

We offer a free fitment check before dispatch. Provide your UK registration or the last 7 characters of your VIN at checkout and we will confirm suitability for BMW part number 22116778231.

Warranty

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a VIN is provided at checkout on compatible vehicles.

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