Powerflex PFF5-4650BLK Black Series Polyurethane Engine/Motor Mount Bushes Kit – BMW M3 E90 E91 E92 E93 E9x (2005-2013), Z4 & Z4M E85 E86 (2006-2009) – Uprated Track/Fast Road OE Replacement Pair

Powerflex PFF5-4650BLK Poly Motor Mount Set - Track-focused engine support for BMW M3 E90 E91 E92 E93 and Z4 E85 E86

Transform how your BMW responds under load with the Powerflex PFF5-4650BLK Black Series motor mount set. This competition-grade polyurethane mounting kit tightens drivetrain control for sharper throttle response, cleaner gear changes and a more connected feel on fast road and circuit use. A straight swap for tired factory mounts, it is a proven upgrade for owners wanting precise engine control without the sogginess of ageing rubber.

Part number: PFF5-4650BLK

What makes it stand out

• High-durometer Black Series polyurethane for serious stiffness and control on road and track
• Greatly reduces engine rock under acceleration and braking for confident power delivery
• Improves shift feel by keeping the powertrain aligned under load
• Direct-fit replacement for the original mounts with no custom fabrication required
• Durable and long-lasting compared to standard rubber items
• Used by us at MJ Modifications and consistently praised by customers for the instant improvement

Measured performance

Stiffness at 5 mm compression vs stock:

• PFF5-4650 approximately 200% stiffer than OE at 5 mm
• Black Series version approximately 675% stiffer than OE at 5 mm

Expect a tighter, more precise driving experience under acceleration, cornering and braking.

Vehicle applications

• BMW M3 E90 E91 E92 E93 including GTS and Cabriolet - 2005 to 2013
• BMW Z4 E85 E86 - 2006 to 2009
• BMW Z4M E85 E86 - 2006 to 2009

Fitment notes

• For E9x it fits the M3 only
• Will not fit 4-cylinder petrol models
• Not recommended for diesel-engined vehicles due to increased NVH
• Excludes E46 Xi and Convertible models

OE cross-reference numbers

• 22111095444, 22116779970, 22116771361
• 11811092583, 11812283798, 11817837985
• 11812228298, 11811136542

What is included

• 2 x engine mount bushes - supplied as a pair
• Quantity required per car: 2

Fitting and support

Professional installation recommended. Book fitting with MJ Modifications in Warwickshire. For a quote email info@mjmodifications.co.uk.

Installation guide: Download official Powerflex instructions

Compatibility check before dispatch

Order with confidence. We verify fitment before shipping using your UK registration or the last 7 digits of your VIN. Enter your details at checkout and our team will confirm compatibility.

Why buy from MJ Modifications

• Specialists in BMW performance upgrades with hands-on workshop experience
• We run these mounts ourselves and customer feedback has been excellent
• Fast dispatch, knowledgeable support and optional in-house fitting

Search-friendly terms to help you find the right upgrade

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Images and diagram

Diagram No. 50

Ready to tighten up your BMW. Choose Powerflex PFF5-4650BLK for a durable, high-performance mount set that elevates engagement and control on every drive.