Spool Performance Helix HPFP Overdrive Support Bracket Plate - CNC Billet Aluminium Reinforcement for BMW N54 N55 (335i 135i E90 E91 E92 E93 E82 E88 xDrive, E9x E8x) Fuel Pump Mounting/Base Plate Brace Upgrade - SP-HX-BP

CNC Billet Support Plate for BMW N54 N55 Helix HPFP Overdrive - SP-HX-BP

Lock in reliability on your tuned BMW with this CNC machined billet aluminium support plate for the Helix high pressure fuel pump overdrive upgrade. The factory mounting piece can fatigue when you add more torque and fuel demand. This precision billet plate adds rigidity to the assembly, helps prevent stress fractures and keeps your fueling hardware securely located under hard use.

Part number: SP-HX-BP

What makes this reinforcement plate a must-have

• CNC machined from solid aluminium billet for strength and stability under load
• Direct replacement for the fragile cast mounting piece that is known to crack with overdrive systems
• Improves long-term durability for high boost, track day and spirited road use
• Genuine Spool Performance hardware for correct alignment and dependable fit
• We have installed these on our own builds and customer cars - feedback on reliability has been excellent
• Simple bolt-on installation with no fabrication required

Vehicle applications

For BMW twin-turbo and single-turbo straight-six models using the Helix HPFP overdrive unit on N54 and N55 engines, including xDrive:

• 3 Series E90 E91 E92 E93 335i - N54 2006 to 2011
• 3 Series E90 E91 E92 E93 335i - N55 2011 to 2013
• 1 Series E82 E88 135i - 2006 to 03/2012

Suitable for manual and automatic gearboxes.

Good to know

New Helix overdrive kits now include this billet support plate, so you will not need to buy it separately if you are ordering a current kit. This listing is ideal for owners who purchased a Helix unit previously and want to retrofit the stronger plate. Include the order number or name of the original HELIX order in the notes at checkout and we will refund the cost of this billet plate.

Compatibility check before dispatch

For peace of mind, add your UK registration or the last 7 of your VIN at checkout. We will confirm suitability for your N54 or N55 before shipping.

Professional fitting

Want it installed by specialists? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Why enthusiasts choose this plate

More boost and more fuel put extra load on the HPFP overdrive housing. This machined alloy base plate adds the rigidity that the standard casting lacks, helping to keep the pump drive aligned and quiet while reducing the risk of hairline cracks. It is a smart reliability mod for any N54 or N55 running a Helix unit on the road or track.

Search and fitment terms

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