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Circuit Master

XYZ Racing Circuit Master Coilovers — BMW 5 SERIES E39 8 CYL WAGON 1996-2004

SKU: BM126-CM

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)22 / 12 kg/mm
  • Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: Aluminium
  • Lead time10–15 working days

Fits Bmw 5 SERIES E39 8 CYL WAGON (1996-2004) chassis BM126

Front spring rate (kg/mm)

22 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 22 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

12 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 12 kg/mm. A custom rate on this axle adds £80.00.

Configured price£2,890.00Inc. VAT

Lead time: 10–15 working days from payment


£2,890.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

XYZ Racing Circuit Master Coilovers — BMW 5 SERIES E39 8 CYL WAGON 1996-2004

The E39 Touring’s V8 nose weight and factory self-levelling rear axle give this wagon a different balance to the saloon it’s based on – more mass over the front wheels, more load-bearing duty at the back, and a wheelbase that already made the E39 one of BMW’s benchmark handling cars of its generation. Circuit Master coilovers on this chassis are built to correct for that extra ballast rather than fight it.

This is a set for BMW 5 Series E39 owners running the wagon on track days and time-attack sessions, not weekend cruising. The Circuit Master name is XYZ Racing’s top-tier circuit range, built around sustained lap-time work where damping consistency over a twenty-minute session matters more than ride comfort on the school run.

What this coilover does for your 1996-2004 BMW 5 Series E39 8 CYL Wagon

Dropping the centre of gravity and adding adjustable damping addresses the E39 V8’s tendency to push its nose wide under trail-braking into slower corners, a trait that’s more pronounced in Touring form because of the extra weight sitting behind the rear axle. The 9720-way damping range on the Circuit Master lets you firm up compression on the front struts to control that nose-dive without turning the rear into a pogo stick over kerbs. On a car this heavy, spring rate matched to actual corner weight – not a generic saloon setting – keeps the outside tyre loaded through long, high-speed sweepers instead of letting body roll eat into available grip. Ride height adjustment independent of spring preload also lets you correct the rake that removing the wagon’s rear self-levelling system leaves behind.

About the Circuit Master coilover

XYZ Racing positions Circuit Master as its top circuit-focused damper, developed and run by XYZ racing teams across international circuits rather than sold as an off-the-shelf comfort product. Each unit carries three external adjustment knobs feeding into a claimed 9720 damping combinations, giving enough range to move from a fast-road setup toward a dedicated qualifying setup without swapping hardware. The trade-off of that fine adjustment is a small-diameter oil passage inside the damper body; on rough tarmac or over kerbs you may hear a faint noise as oil moves through it. That’s a known characteristic of this design, not a fault, and it has no bearing on damper performance on a circuit surface, which is the environment this product is built around.

Fitment for the BMW 5 Series E39 (1996-2004)

Built for the E39-generation 5 Series Touring with the 8-cylinder engine, chassis code BM126, covering the full 1996 to 2004 production run. Confirm your car is the V8 Touring variant before ordering, as coilover geometry differs between saloon and wagon on this chassis.

What buyers also search for

  • BMW 5 Series E39 Touring coilover upgrade for track days
  • BMW E39 V8 wagon suspension for circuit and time-attack use
  • XYZ Racing Circuit Master damping adjustment for the 5 Series E39
  • BMW 5 Series E39 8 cylinder Touring ride height and corner weight setup
  • E39 Touring coilover kit for sustained lap-time sessions

Circuit Master is specced around what your E39 Touring actually does on a circuit, not sold as a one-size-fits-all kit – configure yours below.

This is the best design, on the competitive version such as Racing Spec, Drift Spec, Tarmac Rally. This is the ultimate boutique for racing in many international athletics tracks, and test for a long time. This is for purchase handling high performance and the essential partner in different racing. Circuit Master Damper is tested through XYZ racing teams all over the world. 9720 ways of different adjustments can meet all customers’ needs and win the 1st place in every race.

Because its 3 adjustment knobs with small oil hole design, when driving through big bumps, the coilover oil will go through small passage which might cause some small noise. This is normal situation. This product is made for circuit tracks and there will be no concern for bumps on the tracks.

Top mounts included with your kit

Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.

Front

  • Pillow ball + rubber top mountPillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
  • Hardened rubber top mountHardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.

Rear

  • Aluminium top mountAluminiumAAluminium upper mount — a stiff, lightweight housing that locates the damper precisely and resists flex under load.
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