Powerflex Polyurethane Rear Strut/Shock Absorber Top Mount Bracket & Bush Kit 12mm for BMW 3 Series E46 Xi/XD AWD 4x4 4WD (1998-2006) - Rear Damper Upper Mount Top Hat/Bushing Upgrade PFR5-5630-12

Rear damper top mount upgrade for BMW E46 AWD Xi and XD | Polyurethane bracket and bush kit | PFR5-5630-12

Give your E46 all wheel drive chassis the rear end control it deserves with this polyurethane upper shock mount bracket and bush kit. By replacing tired rubber with performance polyurethane, this kit limits unwanted deflection, keeps suspension geometry in check and delivers crisper turn in, improved traction and greater stability under braking and cornering. Built to last on British roads, backed by a lifetime warranty and proven on our own builds, it is a fit and forget solution for spirited road use and track days alike.

We run these on customer cars and our own projects and the feedback is the same every time: tighter, more confidence inspiring handling with no fuss. If you are chasing consistent grip and predictable response from the rear of your E46 AWD, this is a standout upgrade.

Part number: PFR5-5630-12

Diagram reference: 30

Contents: 2 bushes with bracket

Why this rear mount kit works

• Controls rear damper movement to maintain alignment and tyre contact
• Sharper steering feel, more precise chassis behaviour and better braking stability
• Reduces hop and squat for cleaner power delivery out of bends
• Engineered polyurethane manages noise, vibration and harshness while resisting wear, oil and road salt
• Outlasts ageing rubber for long term value and consistent performance
• Lifetime warranty for total peace of mind

Fitment and specifications

• Platform: BMW 3 Series E46 Xi and XD four wheel drive models
• Position: Rear shock absorber upper mount and bush assembly
• Pin size: Designed for aftermarket rear dampers with a 12 mm pin or shaft
• Not suitable for: E36 or E46 Cabriolet

This listing is for the 12 mm version PFR5-5630-12. Measure your rear shock shaft or pin before ordering if you are unsure. If your dampers use a different size, choose the correct variant.

Rear shock shaft diameter guide

Typical rear shock shaft outer diameters are shown below. Always measure your own dampers to confirm whether you need PFR5-5630-10 or PFR5-5630-12.

• Original BMW: 10 mm
• AST: 10 mm
• Bilstein HD, Sport, PSS coilovers: 10 mm
• FK coilovers: 10 mm
• H&R coilovers: 10 mm
• JRZ RS: 12 mm
• Koni Sport: 10 mm
• KW V1, V2, V3: 10 mm
• ST coilovers: 10 mm
• Tein coilovers: 12 mm

Guide only. Measure your shock shaft outer diameter to confirm the correct kit.

What makes this polyurethane mount a smarter choice

• Improves grip and confidence in wet and dry conditions
• Helps tyres wear evenly
• Maintains consistent suspension geometry under load
• Durable construction for daily driving, fast road and track use
• Backed by a lifetime warranty

OEM cross references

33521092362, 33526779670

Installation and support

Professional fitting recommended. MJ Modifications offers installation at our Warwickshire workshop. For a tailored quote, email info@mjmodifications.co.uk.

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