Wiseco Professional BMW N54B30 Piston Set of 6 - 84.00 mm Bore - 1.244 in. CH, -21.10 CC
Wiseco Professional BMW N54B30 Piston Set of 6 - 84.00 mm Bore - 1.244 in. CH, -21.10 CC
Wiseco Professional BMW N54B30 Piston Set of 6 - 84.00 mm Bore - 1.244 in. CH, -21.10 CC
Wiseco Professional BMW N54B30 Piston Set of 6 - 84.00 mm Bore - 1.244 in. CH, -21.10 CC

Wiseco Professional BMW N54B30 Piston Set of 6 – 85.00 mm Bore – 1.244 in. CH, -21.10 CC

$2,048.85

Zip and humm are available over the phone: (07) 5619 7869

Available to order – usually ships in 2-3 weeks

Bore 85.00 mm · Compression height 1.244 in · Volume -21.10 cc · Set of 6 · rings included · wrist pins included

Heavy / oversize item — freight quoted to your addressOrder now and we will confirm the exact delivery cost to your address before dispatch — no guessed freight, you only ever pay the real rate. Prefer a price first? Contact us for a freight quote.

Available to order – usually ships in 2-3 weeks

Freight quoted after you order - we confirm the cost to your address before dispatch

Check fitment by rego or VIN
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Willys Workshop · Oxley & Warana, QLD
SKU: WPC-K742M85 Categories: , , , , , Brand:
Returns within 30 days
12 Month Warranty
Tuning & Fitment Available

Fast AU-Wide Shipping

Returns within 30 days

12 month warranty

Will it fit your vehicle?

MakeModelSeriesYearsEngine
BMW————

A dash means the listing does not narrow it down that far (for example no build dates are listed). Check with us if your vehicle was built near a model change.

Fitment listings are a guide. Not sure? Send us your rego or VIN and our team will check the part for your vehicle, before or after you order.

Check my fitmentor call(07) 5619 7869

Description

Set of 6 Wiseco Professional Series forged pistons for the BMW N54B30: 85.00 mm (3.346 in) bore, 1.244 in (31.60 mm) compression height and -21.10 cc dish. Rings and wrist pins are included.

What’s in the box

  • 6 forged pistons
  • 6 wrist pins (22.00 mm / 0.866 in diameter, 5115 steel, floating, Wiseco part S747)
  • Piston ring set (Wiseco 8500XX)

Matching it to your BMW N54B30

Crown volume is quoted as -21.10 cc: Wiseco use a negative figure when the dish or valve reliefs add volume to the combustion chamber. Work out the compression ratio for your combination (chamber volume, gasket bore and thickness, deck clearance) before you order.

The bore size is the finished bore these pistons are made for, so have the block measured and then bored and honed to suit, with piston-to-wall clearance set to Wiseco’s figure for part K742M85.

Material: 2618 aluminium, the low-silicon alloy usually chosen for boosted and high-load engines (it needs more piston-to-wall clearance than 4032).

Ring grooves: 1.000 mm top, 1.200 mm second and 2.800 mm oil.

Specifications

Bore Diameter 85.00 mm
Compression Height 1.244 in
Engine Detail BMW N54B30
Forging Type Dish
Oil Ring Thickness 2.800 mm
Piston Material 2618
Piston Quantity 6
Piston Volume -21.10 cc
Ring Set Included Yes
Ring Set Part Number 8500XX
Second Compression Ring Thickness 1.200 mm
Skirt Coating Yes
Top Compression Ring Thickness 1.000 mm
Wrist Pin Included Yes
Wrist Pin Material 5115
Wrist Pin Outer Diameter 22.00 mm
Wrist Pin Part Number S747
Wrist Pin Style Floating

Boostline conrods listed for this engine family: Boostline Connecting Rod Kit | BMW S54B32 139mm | ARP2000, Boostline Connecting Rod Kit | BMW N54B30 145mm | ARP2000, Boostline Connecting Rod Kit | BMW B48 2.0T 148.18mm | ARP2000. Match the rod length to the pistons before you order.

More: BMW forged pistons · all performance pistons · Wiseco

Wiseco part number: K742M85

Shipped Australia-Wide

  • Dispatched from within Australia with tracking.
  • Available to order – usually ships in 2–3 weeks.
  • Freight is quoted after you order – we confirm the cost to your address before dispatch.
  • Delivery usually takes 2–10 business days after dispatch, depending on your location.
  • Need your tracking number? Once your order has shipped, email sales@willysworkshop.com.au with your order number and we’ll send you the carrier and tracking details.

Freight question? Call us on (07) 5619 7869.

Additional information

Make

BMW

Warranty: 12 months from Willys Workshop

Sold and warranted by Willys Workshop. Parts carry our 12-month warranty against defects, from the date of purchase or installation (whichever is later), subject to any manufacturer terms and fair wear and tear (Terms & Conditions, clause 7.1(b)). This is in addition to your rights under the Australian Consumer Law, which cannot be excluded.

  • 30-day change-of-mind returns on eligible items: unused, uninstalled and in the original packaging, with a Return Authorisation from us first. A 15% restocking fee applies and return postage is at your cost.
  • Wrong fit: if a part covered by our Fitment Guarantee doesn’t fit, we pay the return freight both ways and there’s no restocking fee.
  • Special-order or imported-to-order items, electrical parts, ECUs and tuners once registered, connected or flashed, parts that have been fitted or modified, and clearance items can’t be returned for change of mind. Your rights for faulty goods still apply.
  • Refunds are made to your original payment method within 14 business days of us receiving and inspecting the return.

Full details: Returns & Refund Policy and Terms & Conditions.

Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.

Big purchase? Talk to our diesel team first.
Send your rego or VIN and our Australian-based team will manually confirm fitment before you buy.
📞 Call (07) 5619 7869✉ Email us
Prefer to text your rego/VIN? 0485 885 957

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