Powerflex Engine Mount Insert Bush for BMW Z4 G29 (2018-on) Road Series Polyurethane 65A, 2-Piece - PFF5-5452 - Replaces 22116860465/22116860466

BMW Z4 G29 Motor Mount Poly Insert Kit – Powerflex Road Series PFF5-5452

Transform the way your Z4 responds to throttle and gear changes with this Powerflex Road Series motor mount insert kit. By filling the voids in the original rubber mounting, this two-piece red polyurethane upgrade limits excessive drivetrain movement, delivering crisper response, tighter shift feel and a more connected drive on the road and fast-road.

Part number: PFF5-5452

Highlights

• Precision-moulded red 65A polyurethane insert set designed to occupy voiding in the OE motor mounting
• Dramatically reduces engine rock for sharper throttle pick-up and cleaner upshifts and downshifts
• Improves traction out of corners and stability under load by controlling powertrain movement
• Consistent performance and durability compared with ageing factory rubber
• Ideal for daily-driven cars and mildly tuned setups wanting a more direct, performance-focused feel

Vehicle compatibility and specs

• Fitment: BMW Z4 G29 2018 onwards
• Quantity in pack: 2 inserts
• Material hardness: 65A Shore polyurethane
• Diagram reference: 20
• Replaces OE numbers: 22116860465 and 22116860466

What you will notice

• More immediate engine response
• Reduced driveline lash during acceleration and on gear changes
• A planted, predictable chassis feel on spirited drives

Real-world results

We have installed this Powerflex insert on our own builds and for many Z4 G29 customers. Feedback is consistently positive, highlighting noticeably improved drivetrain control, better shift quality and a more purposeful driving feel without compromising everyday usability.

NVH guidance

Increasing mount stiffness can introduce a slight rise in cabin noise and vibration at idle. This is normal for any stiffer mounting solution and is a trade-off for the added precision.

Professional installation

Want it fitted right first time? Book installation with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

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