Powerflex Black Series Engine/Motor Mount Insert Kit for BMW 4 Series F32 F33 F36 - Uprated Polyurethane Void Filler Bush Upgrade, Fast Road/Track - Replaces OEM 22112284817/22112284818 - PFF5-4020BLK

Uprated Motor Mount Insert Set for BMW 4 Series F32 F33 F36 – PFF5-4020BLK

Sharpen response and tighten up your BMW’s drivetrain with this Black Series motor mount insert set, engineered to control engine movement under load and deliver a more connected driving feel on fast road, circuit and sprint events.

Part number: PFF5-4020BLK

Diagram reference: 21

Why choose this uprated insert set

• Crisper throttle pick up and improved launch consistency
• Smoother, more precise gear changes under hard acceleration
• Reduced engine rock and driveline lash for cleaner power delivery
• Helps curb wheel hop and enhances traction out of corners
• Supports and prolongs the life of the original mounting

Built for performance

• Black Series 95 Shore A polyurethane for serious control of engine movement
• Precisely profiles the voids in the factory mount to limit deflection
• Two-piece insert kit that fits in situ, no need to remove the OE mount in most cases
• Supplied as a pack of 2 inserts

Vehicle compatibility

Designed for BMW 4 Series F32 Coupe, F33 Convertible and F36 Gran Coupe models that use the OE mount numbers below. Ideal for tuned road cars, track day builds and motorsport-focused setups.

Replaces OEM part numbers: 22112284817, 22112284818

Real-world results

We run these inserts on our own builds and our customers consistently report tighter engine control, better shift quality and a more direct feel without the cost and harshness of full solid mounts.

Installation and NVH

Expect a small increase in noise and vibration at idle due to the stiffer compound. For expert fitting, book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Common search terms

BMW F32 motor mount insert, BMW F33 engine mounting bush, BMW F36 poly mount, 4 Series engine support insert, uprated engine bushing, polyurethane engine mount upgrade, performance mount insert, drivetrain mount upgrade, Black Series poly insert, void filler mount, track day engine mount bush.