Powerflex Gear Shift Arm Front Bush Oval for BMW 1 Series F20/F21 xDrive | Shifter/Selector Linkage Bushing Upgrade | PFF5-4631 | Replaces OEM 25117507695

Powerflex PFF5-4631 Polyurethane Gear Lever Selector Arm Front Mount Oval for BMW F20 F21 xDrive

Transform the gear change feel on your BMW 1 Series xDrive with this uprated polyurethane selector arm front mount, part number PFF5-4631. By replacing the soft, ageing factory insert with a precision-moulded Powerflex poly bush, you cut unwanted play in the change linkage, gain a tighter gate selection and enjoy more positive, repeatable shifts on the road and on spirited drives.

At MJ Modifications we have fitted this component to customer cars and our own projects, and the feedback is consistently excellent. Owners report a more connected shift action, reduced slop at the gear lever and long-term durability compared with the standard rubber piece.

Key advantages

• Sharpened gear change with a more precise, direct selector feel
• Helps remove slack in the change rod and linkage assembly
• Hard-wearing polyurethane resists oil, heat and road grime for lasting performance
• Ideal when refreshing a tired transmission linkage or chasing a crisper shift
• Simple replacement for the OEM insert, oval type front mount
• Trusted Powerflex quality for fast-road and daily use

Compatibility

For BMW 1 Series xDrive platforms using the oval front selector arm mount:

• BMW F20 xDrive
• BMW F21 xDrive

Please confirm the shape and location on your vehicle against the diagram reference before purchase. If unsure, contact us and we will help verify fitment.

Technical details

• Part number: PFF5-4631
• Replaces OE reference: 25117507695
• Diagram reference: 31
• Bush length: 26 mm
• Contents: 1 x bush
• Quantity per car: 1 or 2 depending on application

Fitting and support

Professional installation recommended. MJ Modifications offers fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Why this upgrade

If your BMW’s gear stick feels vague or notchy, the original rubber insert in the selector arm can be the culprit. Swapping to this Powerflex polyurethane mount tightens the transmission linkage, improving shift accuracy without adding unwanted vibration. It is a smart reliability upgrade when servicing the gearbox linkage and a proven way to restore confidence in every gear change.

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Choose PFF5-4631 for a dependable, high quality fix that restores a precise shift action and enhances the driving experience on your BMW 1 Series xDrive.