BMW
Genuine BMW Rear Crankshaft Seal (Rear Main Seal, RMS) - N52 N53 N54 N55 - E60 E90 E92 F10 - 135i 335i 530i 630i 740i X3 X5 Z4 - OEM 11117584398
Genuine BMW Rear Crankshaft Seal (Rear Main Seal, RMS) - N52 N53 N54 N55 - E60 E90 E92 F10 - 135i 335i 530i 630i 740i X3 X5 Z4 - OEM 11117584398
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OEM BMW Engine Rear Oil Seal - N52 N53 N54 N55 - Part No. 11117584398
Fix that bellhousing oil drip and protect your clutch or torque converter with this genuine BMW factory part. This flywheel side crank oil seal is the OE solution for straight six petrol models running N52, N53, N54 and N55 engines. Ideal preventative maintenance any time the gearbox is out, this rear-end crank seal helps keep your engine dry, your clutch clean and your BMW performing as it should.
We use this part in our own workshop builds and customer jobs and it simply works. Fit once, drive leak free and enjoy peace of mind with a correct-by-design OE component.
BMW part number: 11117584398
Seal size: 90 x 110 x 12 mm
Why choose this OE flywheel side oil seal
- Original Equipment quality for perfect alignment and reliable sealing
- Stops oil misting and weeping at the rear of the engine that can contaminate the clutch or flexplate
- Direct replacement part for long term durability on road or track cars
- Best practice to replace during clutch, dual mass flywheel or gearbox service
- Proven in-house at MJ Modifications with excellent owner feedback
Vehicle coverage highlights
Designed for BMW petrol sixes using N52, N53, N54 and N55 engines across popular E and F series platforms. Typical applications include:
- 1 Series E81 E82 E87 E88 inc 125i 128i 130i 135i
- 3 Series E90 E91 E92 E93 inc 323i 325i 328i 330i 335i
- 5 Series E60 E61 and F10 F11 inc 523i 525i 528i 530i 535i
- 6 Series E63 E64 inc 630i
- 7 Series E65 E66 and F01 F02 inc 730i 740i 740Li
- X models X1 E84, X3 E83 LCI, X5 E70, X6 E71
- Z models Z4 E85 E86
If you are unsure, we will confirm compatibility before dispatch.
Search-friendly terms
BMW flywheel side crank seal, engine rear oil seal BMW, bellhousing oil leak fix, gearbox side oil seal, back crank oil seal, BMW straight six oil seal, 3.0 litre petrol engine seal, E series BMW oil seal, F series BMW oil seal, rear crank oil seal for 125i 128i 130i 135i 323i 325i 328i 330i 335i 523i 525i 528i 530i 535i 630i 730i 740i X1 X3 X5 X6 Z4, OE crank seal 11117584398.
Fitting and related items
- Best installed during clutch or gearbox work. Consider fresh flywheel or flexplate bolts at the same time.
- Many owners also replace the front crank oil seal for a fully leak free engine.
- Professional fitting available at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
Compatibility check
Add your UK registration or the last 7 of your VIN at checkout and we will verify fitment for your specific vehicle before shipping.
Warranty
Two years manufacturer warranty for UK customers and one year for international customers when a compatible VIN is provided at checkout.
Manufactured by
BMW
SKU and identifiers
BMW part number 11117584398. Dimensions 90 x 110 x 12 mm.
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