Genuine BMW Timing Chain Tensioner N52 N53 N54 N55 S55 | OEM Part 11317584723 | Fits 335i 435i M3 M4 | 1 2 3 4 5 6 7 Series, X1 X3 X4 X5 X6, Z4

BMW OE Chain Tensioning Unit for N52 N53 N54 N55 S55 - Part No. 11317584723

Restore smooth running and protect your valvetrain with the BMW original chain tensioning plunger, part number 11317584723. This is the factory-spec hydraulic chain adjuster used on a huge range of BMW straight-six petrol engines including N52, N53, N54, N55 and S55. If you are chasing startup chatter, slack chain noise or planning preventative servicing on a performance build, this genuine component keeps the cam drive tight and accurate.

At MJ Modifications we install this part daily on our own projects and customer vehicles. The results are immediate - quieter cold starts, steadier idle quality and confidence in correct cam timing under load. Fit once, enjoy long-term reliability with the exact part your engine was designed to run.

Benefits

• Stops cold-start chatter and chain slap on N52, N53, N54, N55 and S55 engines
• Reduces wear on guides and sprockets for long service life
• Maintains precise valve timing for smooth performance
• Direct swap - no modification required
• Ideal as preventative maintenance on higher mileage BMW six-cylinder petrol models

Product highlights

• BMW original equipment - OE quality and perfect fit
• Hydraulic pressure-fed design for stable chain control
• Correct length and preload for factory cam drive geometry
• Compatible engines: N52, N53, N54, N55, S55
• Part number: 11317584723

Vehicle applications

Fits a wide range of BMW models using the engines listed above, including but not limited to:

• 1 Series - E81, E82, E87, E88, F20, F21, including 125i, 130i, 135i
• 2 Series - F22, F23, F87 M2 and M2 LCI
• 3 Series - E90, E91, E92, E93, F30, F31, F34, plus F80 M3 and M3 LCI
• 4 Series - F32, F33, F36, plus F82 M4, F83 M4 and LCI
• 5 Series - E60, E61, F07 GT, F10, F11 and LCI models
• 6 Series - E63, E64, F06 Gran Coupe, F12, F13 and LCI models
• 7 Series - E65, E66, F01, F02 and LCI models
• X Models - X1 E84, X3 E83 LCI and F25, X4 F26, X5 E70 and F15, X6 E71 and F16
• Z4 - E85, E86, E89

If you are unsure, we will confirm compatibility before dispatch using your UK registration or the last 7 of your VIN.

When to replace

• Rattle for a few seconds on cold start
• Audible chain noise under light load or on overrun
• During timing drive service, cylinder head work or guide renewal

Installation and fitting

Professional fitting recommended. MJ Modifications offer in-house installation in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Part number

11317584723

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.

Fitment check before dispatch

For peace of mind, we verify fitment against your registration or VIN prior to shipping.

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