Genuine BMW OEM Rear Differential Drain & Fill Plug with O-Ring - M22x1.5 ZNS3 - Part 33117525064 - Fits E/F/G Series (E82, F30, G30) including 135i, 340i/340ix, 540i, F90 M5

BMW Final Drive Service Plug with Sealing Ring M22 x 1.5 ZNS3, Part No. 33117525064

Stop seepage and keep your rear axle running sweet with this OE BMW threaded stopper for the final drive. Supplied with the correct sealing ring, this M22 x 1.5 ZNS3-coated plug suits both the service port and the inspection port on many E, F and G platform models, including E82 135i, F30 340i and 340ix, G30 540i and the F90 M5. It is a direct factory replacement that delivers a precise fit and reliable fluid retention.

We use this exact hardware on our own builds and customer cars. Feedback is consistently positive for fit, finish and leak-free performance. If you are refreshing rear end fluid, sorting a weep or restoring hardware during an upgrade, this is the dependable OE choice.

Why this OE BMW plug is the smart pick

• Original BMW hardware for the rear axle housing, not a pattern part
• Includes the correct sealing ring for a tight, oil-tight closure
• M22 x 1.5 thread with ZNS3 finish for strong corrosion resistance
• Suitable for both the lower service opening and the upper check opening
• Engineered to seat correctly for accurate torque and easy future removal
• Two are typically used during a fluid change, one for the lower opening and one for the upper opening
• Best practice is to renew the stopper and seal at every rear axle oil change

Common applications

Fits a wide spread of BMW rear drive units across E, F and G Series platforms. Popular use cases include:

• E82 135i
• F30 340i and 340ix xDrive
• G30 540i
• F90 M5

Covers numerous 1 Series, 2 Series, 3 Series, 4 Series, 5 Series, 6 Series, 7 Series, 8 Series, selected i models, as well as X and Z models where specified. If you are unsure, we will verify compatibility before dispatch.

Search-friendly terms customers use

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Fitting and service tips

• Usually two stoppers are replaced per service, upper and lower
• Always install with a fresh sealing ring and torque to the correct BMW spec for your model
• Clean the seating surfaces before installation for the best seal
• Ideal to renew during any rear axle fluid refresh or when addressing a minor weep

Need fitting in the UK. MJ Modifications in Warwickshire can install this item and carry out your rear axle oil change. Request a quote at info@mjmodifications.co.uk.

Compatibility check

We perform a fitment check before shipping. Add your UK registration or the last 7 of your VIN at checkout so we can confirm suitability for your specific vehicle.

Part details

• BMW part number: 33117525064
• Thread: M22 x 1.5
• Finish: ZNS3
• Location: Rear axle final drive, service and inspection openings
• Supplied by: BMW

Warranty

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