What engines and transmission does this kit fit?

BMW N54, N55, N52 and N53 engines paired with a Dodge ZF 8HP70 or 8HP90 as fitted to the Challenger, Charger and Hellcat.

Why fit a Dodge transmission behind a BMW engine?

The Dodge 8HP90 is the strongest of the commonly available 8HP cases, which makes it a popular choice behind a built N54.

Do I need a transmission controller as well?

Yes. This is the mechanical adapter only. A standalone TCU is required and purchased separately.

Billet torque converter adapter plate, billet flex plate, billet motor adapter plate, pilot spud adapter, hardened steel ring gear, complete hardware and precision dowel pins.

BMW N54 N55 N52 N53 to Dodge 8HP70 8HP90 Conversion Kit | ASE

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Autosports Engineering BMW 8HP conversion kit

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This is a complete conversion kit for your BMW N54 N55 N53 N52 engine. Kit comprised...

BMW N54 N55 N52 N53 to Dodge 8HP70 8HP90 Conversion Kit

Brand: Autosports engineering

SKU: 14260

availability: In stock

Product Code:

$1,399.00 $1,199.99

This is a complete conversion kit for your BMW N54 N55 N53 N52 engine. Kit comprised...

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Adapter Kit and Flex Plate

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Description
Shipping + Returns

Description

This is a complete conversion kit for your BMW N54 N55 N53 N52 engine. Kit comprised of Billet Convertor Adapter plate, Billet Flex Plate to replace weak steel OEM flex plate and a billet engine to transmission adapter plate.

Billet 6061 Components
Billet TQ Convertor Adapter Plate
Billet Flex Plate
Billet Motor Adapter Plate
Complete Hardware Kit
Pilot Spud adapter
Hardened Steel Ring Gear
Precision Dowel Pins for Proper Alignment

What this kit does

This is the reverse of the usual direction — it puts a Dodge ZF 8HP70 or 8HP90 behind a BMW inline six, rather than adapting a JZ engine to a BMW transmission. The Dodge 8HP90 is the strongest of the commonly available cases, which is why it is a popular choice behind a built N54.

You will also need a TCU

This kit is the mechanical adapter only. The 8HP will not shift without a standalone transmission controller, purchased separately.

Transmission Fitment List:

DODGE CHALLENGER / CHARGER / HELLCAT ZF 8HP70 / 8HP90

Shipping + Returns

All standard non custom made to order items are eligible for return within 30 days of purchase. To request a return purchaser must email us or call to request Instructions on how to proceed with returning an item. Upon receipt of your return you will be issued a return within 3-5 business days. Any custom order items will only have 7 days from the date of purchase/payment to request a cancellation/refund. Beyond that time frame you will be issued a refund up to 30 days from purchase minus a 20% restocking/cancellation fee. All refunds will be issued in the same form as your payment was made/ If you purchase via PayPal your refund will be via PayPal etc. Buyer is responsible for all costs associated with the return of an item as far as shipping/freights go. All items must be return in NEW unused condition. Any damage to the item with be due a 20% minimum restocking fee. Exchanges for product defect or warranty will not incur any restocking charges and shipping charges will be credited as well.

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