Genuine BMW Engine/Motor Mount Hex Head Bolt Screw M8 x 45mm 10.9 ZNS3 Zinc-Nickel, Captive Washer | OE Fastener/Fixing PN 22116850329 | Fits E82 E88 135i 1M, E90 E91 E92 E93 335i, E89 Z4 35i, E84 X1, E46

OE BMW Motor Mount Fastener with Captive Washer - Part No. 22116850329

Restore crisp drivetrain feel and stop unwanted vibration with the correct factory hardware. This is the original BMW hex head screw with captive washer - size M8 x 45 - high tensile class 10.9 with ZNS3 zinc-nickel plating for superior corrosion resistance. Ideal when renewing powertrain mounts or replacing any removed fixings during service on popular performance models.

Why this OE fastener belongs on your car

• Genuine BMW component for precise fit, correct shank length and proper clamping force
• Class 10.9 high-strength steel - built to handle load and heat cycling
• ZNS3 coating - excellent rust protection for UK roads and winter salt
• Captive washer - consistent seating on the mount bracket for reliable torque
• Perfect for mount refreshes, subframe work and engine-out jobs where hardware must be replaced

We use OEM BMW hardware on our own workshop builds because it torques accurately and stays put. MJ Modifications customers consistently feedback improved refinement and confidence after renewing mount fixings with the correct OE parts.

Fitment - popular applications

• 1 Series - E82 Coupe, E88 Convertible - including 135i and 1M
• 3 Series - E90 Saloon, E91 Touring, E92 Coupe, E93 Convertible - including 335i
• 3 Series E46 platforms where specified
• Z4 E89 - sDrive35i
• X1 E84

Part reference: 22116850329. If you are refreshing powertrain mounts on these platforms, using the correct OE fixing delivers the best result.

We will confirm compatibility before dispatch

Provide your UK registration or the last 7 of your VIN at checkout and we will verify it suits your vehicle.

Technical information

• Type: Hex head screw with captive washer
• Size: M8 x 45
• Strength class: 10.9
• Finish: ZNS3 zinc-nickel
• Manufacturer: BMW - Genuine OE
• OEM part number: 22116850329

When to replace this fastener

• Whenever motor mounts are changed or removed
• If the existing bolt shows corrosion, damage or rounding
• After engine or subframe removal where hardware is single use by design

Professional fitting

Based in Warwickshire, MJ Modifications can supply and install this OE fixing and torque it to factory specification. Request a fitting quote: info@mjmodifications.co.uk.

Warranty

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

Search-friendly terms customers use

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Buy with confidence

Choose the authentic BMW fastener for dependable clamping, quiet operation and long-term reliability. Part number 22116850329 is the right OE solution for the listed models - stocked by MJ Modifications and trusted on customer cars.