FAQ N54 N55 S55 to 6R80 Ford Adapter - E9x E8x E6x

GA2 N54 N55 S55 to 6R80 Ford Transmission Adapter Kit

BMW E90 E91 E92 E93 E82 E88 E60 E61

What is the Total Conversion Cost?

Conversion cost ranges from ~$3500 to $5000+ utilizing a stock 6R80; Labor cost not included.

Cost will vary based on choice of TCU, Tuning, Coding and optional transmission upgrades.

From mild to wild this setup has ample options to chose from & plenty of room to grow!

What other components & services are required to complete the conversion?

• 6R80 Transmission w/Torque Converter – From 2015-2017 Ford Mustang 2.3L Eco-Boost

• Transmission Controller – Standalone: US Shift Quick 6, Motec M150 or OEM: BMW 6HP28

• 3 Gallons ATF – Adrenaline Speed Shift ATF or Similar Group IV Synthetic Fluid Recommended

• Misc. Parts – New Valve Body Bridge/Sleeve Seals, Mechatronic Tube Seal, Filter, Input Seal etc.

• Coding – Houston BMW Coding or BimmerGeeks ProTool App.

• Tuning – OEM BMW TCU: Sutphin Tuning & xHP Flashtool or Standalone: Quick6/Motec

• Labor – We Provide direct project support from A to Z for DIY or Professional installations.

How much power can this transmission setup support?

Stock 6R80 is Manufacture Rated @ 590lb-ft or 800nm but commonly handle 600-800lb-ft with ease. 6R80s can be built to handle 1000-1500+ lb-ft TQ with upgraded clutch packs & billet components. Proven 7 & 8 Second 1/4-Mile Drag Racing Capability by Ford 5.0 Coyote Mustang Platform. Start small and have plenty of room to grow or go BIG and send it on ALL THE BOOST!

What Transmission is compatible? Ford 6R80 6-Speed Automatic Transmission.

2015-2017 Ford Mustangs equipped with 2.3L Eco-Boost Engine.

How much does the transmission cost?

Between $200-$600 for a good condition used core. They are cheap, plentiful and low mileage is easy to find due to the number of Ford Mustangs produced!

Where do I find and purchase the transmission?

We provide direct support to all customers and encourage them to work with through this process. Car-Part, eBay and LKQ are most common recommended sources for used transmissions. Be mindful when purchasing from individuals or any business with cash/no receipt. Ask what the return policy is ahead of time to avoid surprises.

What help do you provide sourcing these transmissions?

Using the donor vehicles VIN number we research Vehicle & Auction/Sale History to verify the advertised mileage and condition of the transmission is accurate. We also check reviews of the Auto Parts Yard selling the product and when necessary call or email to ask various questions before approving it for purchase. This process gives the customer a handful of vetted transmission options to choose from. While we cannot guarantee the condition of these used transmissions the support provided greatly reduces the risk associated with purchasing used components; especially if unfamiliar with the process.

When should I purchase my transmission?

While you can purchase parts at anytime we recommend waiting until approximately 1-3 weeks ahead of the installation date. Most Used Parts have a 30 day money back return period with a receipt. Within the first 30 days a pre-installation inspection is recommended so if any issues are discovered you can quickly return it. Keep in mind the buyer is usually responsible for returning the item locally or paying for return shipping cost which can be substantial.

Are any custom modifications required to fit the 6R80 Transmission assembly?

Two small modifications are required for reusing the BMW N54/N55 Starter.

Mod # 1– Drilling out the threaded hole in starter with a 7/16" drill bit to convert to a through hole. Necessary Tools for Mod # 1 = Hand Drill & 7/16" Drill Bit – Optional: Spray Lubricant, Bench Vice.

Mod # 2 – Clearance 6R80 Bell Housing for BMW starter fitment; Cut template provided for easy process. Necessary Tools for Mod # 2 = Die or Angle Grinder with Flap Disc/Carbide Burr/Grinding Stone etc.

How many and what gear ratios does the 6R80 have?

6R80 is a 6-Speed Automatic and has identical gear ratios as the BMW ZF 6HP21 & 6HP28 transmissions. Six forward speeds, with gear ratios of 4.17, 2.34, 1.52, 1.14, 0.87, and 0.69:1.

What driveshafts are compatible? OEM, M3, Ford 8.8?

OEM & M3 driveshafts will be compatible using our driveshaft adapter after having the driveshaft shortened or purchasing a shorter OEM BMW Shaft of the appropriate length. Support is provided for this process.

Ford 8.8 & Similar Driveshafts with 1350 U-Joint Flanges are directly compatible with OEM Ford 11+ V6/V8 3.5/3.7L/5.0L 6R80 Transmission Output Flange. These 1350 Compatible 6R80 Output Flanges can be purchased & swapped onto the 15-17 2.3L 6R80 Transmission with no additional adapters required.

What is a TCU?

"Transmission Control Unit" is the computer which controls the transmission much like an ECU/Engine Control Unit.

What TCU can I use to control the transmission?

Standalone TCU Options – US Shift Quick 6, Motec M150 & HTG GCU

Gen2 6HP28 TCU – Used with ZF 063 M-Shift Valve Body

What is required to use Standalone TCU?

Most standalone controllers installation will require some basic/intermediate level wiring & computer skills. Most basic wire harness that requires routing/trimming, terminate the ends and/or tapping into existing vehicle wires. Using computer to update/flash firmware/configurations, various amounts of remote or in person coding/tuning/tweaking.

The complexity of standalone installation greatly depends on the controller chosen, its capabilities & components supplied with it. Currently we have confirmed 6R80 support for US Shift Quick 6, Motec M150. Please consult with us directly about the options available & their complexity/required work.

What is required to use the ZF 063 Valve Body & Gen2 6HP28 TCU?

Requires partial disassembly & rebuild of transmission to swap certain internal parts of the 6R80 transmission. These components include the low/rev clutch assembly, center support, valve body & other related components. Going this route enables custom OEM level 6HP28 tuning from Sutphin Tuning & xHP Flashtool.

Is any wiring required?

Yes – Standalone TCU wiring requirements will vary depending on the features and controller chosen.

No – BMW TCU & ZF 063 Valve Body no wiring; Does require modifications/swapping certain internal parts.

What shifter do I use?

OEM BMW TCU – E9x & Similar 6HP Auto Mechanical Shifter – No Wiring Required

Standalone TCU – E9x & Similar 6HP Auto Mechanical or Aftermarket Lokar 6R80 Shifter – Wiring Required

Will cruise controls work?

Standalone TCU – Yes with wiring/coding; Dependent on chosen control unit and capabilities.

OEM BMW TCU – Yes; No additional wiring.

Will steering wheel paddle shifters work?

Standalone TCU – Yes with wiring/coding; Dependent on chosen control unit and capabilities.

OEM BMW TCU – Yes; No additional wiring.

What Torque Converters are compatible?

OEM 2.3L 6R80 Torque Converter – Stock ~2500-2700 RPM Stall Speed

Circle D 245mm & 252mm Pro-Series 6R80 Torque Converters – Custom order & spec'd to your build.

32 Spline Input & 27 Spline Stator, 5.975" Overall Height, 9-7/16" 6 Stud or Bolt Circle Mounting Pattern

Does my stock exhaust fit?

One small modification is optional but recommended for potential exhaust downpipe fitment.

Mod # 3 – Cut/Grind 6R80 exhaust mounting bosses on RH side of Bellhousing for more exhaust room. Necessary Tools for Mod # 3 = Die or Angle Grinder with Cut or Flap Disc/Carbide Burr/Grinding Stone etc.

Can I use a different Ford 6R80 or ZF 6HP Torque Converter?

No other 6R80 or ZF 6HP converter are compatible due to various differences in design. These differences include; overall converter height, mounting pattern, input & stator shaft spline count. This kit is ONLY Compatible with 15-17 Ford Mustang 2.3L Eco-Boost 6R80 Torque Converters.

What about my transmission cooler setup?

Our kit comes with everything else needed to add an aftermarket cooler or adapt your existing setup. 8AN PTFE Line Kit/Fittings, 6R80 ORB Adapter Block, OE Coolant block offs provided make the job easy. The only thing that needs to be ordered is the cooler core itself and inline thermostat (if desired). We recommend a 19 Row Cooler mounted in front of the radiator with a 165F thermostat. OEM Cooler can be adapted but we don't recommend this because its inadequate to handle the heat generated. Direct consultation provided for this process to accommodate all customers!

Is this compatible if my E-Series N54/N55 car is Manual, DCT or AWD 6HP?

Yes but vehicles with Manual, DCT or AWD Transmission will require additional parts, coding, wiring and labor. Consult with us before purchasing to ensure smooth process.

What about BMW E-Series N52 & N53 compatibility?

Yes; Please request more information. Additional R&D likely required.

What about BMW F-Series N55 compatibility?

Yes; Please request more information. Additional R&D likely required.

How does shipping work?

Our preferred method of shipping is UPS Ground; Fully Insured & Signature Required.

Upon final payment customer is notified of estimated shipping date. Confirmation of package drop-off and tracking information are provided ASAP. Expedited & International shipping quotes available upon request.

What about local sales tax?

8.25% Sales Tax will be applied to Texas orders.

What about International import fees?

International customers are responsible for all customs import taxes, duties & tariffs.

N54 N55 S55 to 6R80 Ford Transmission Adapter Kit - BMW E9x E8x E6x

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