What does the Dinan N55 big turbo fit?

The Dinan N55 big turbo fits N55-powered F-chassis BMW models (2012-2019) equipped with the electronic wastegate, including the 335i, 435i, and M235i. Confirm your car has the EWG turbo before ordering; xDrive vehicles need Dinan part number D313-0117 for additional installation hardware.

Do I need other parts to run the Dinan N55 big turbo?

Yes. To realize the turbo's potential, it requires supporting fueling and engine tuning calibrated for the larger turbo. It retains a factory-style, drop-in fit, but the ECU calibration must match the new hardware.

Is the Dinan N55 big turbo 50-state legal?

Yes. It is 50-state emissions legal under CARB EO D-176-52 when run in Dinan specification, and it also carries a factory-matching 4-year/50,000-mile new car warranty in that configuration.

Is installation difficult?

Installation is an involved engine-bay job best performed by a professional. The turbo is designed for a factory-style, drop-in fit on RWD vehicles, and Dinan's documented procedure is quicker than BMW's own factory turbo replacement process; tuning and setup are required to run it safely.

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Description

Dinan Big Turbocharger for N55 F-Chassis BMW with Electronic Wastegate

Dinan N55 big turbo is a larger, drop-in turbo upgrade for N55-powered F-chassis BMW models equipped with the electronic wastegate. It flows more air than the factory turbo to unlock meaningful power gains when paired with supporting fueling and Dinan engine software, while retaining a factory-style fit. On 93 octane with software, turbo, and intercooler, it delivers up to 122 hp and 162 ft-lb at the crank over the factory turbo on non-M2 applications, or up to 48 hp and 64 ft-lb on the M2.

Features

Non-M2: peak output of 384hp at 5,500rpm and 439ft-lb at 3,500rpm with Stage 2 Flash, a max gain of 122hp at 4,500 rpm and 162ft-lb at 3,000rpm with software, turbo, and intercooler on 93 octane
M2: peak output of 417hp at 6,500rpm and 440ft-lb at 3,500rpm with Stage 2 Flash, a max gain of 48hp at 4,000rpm and 64ft-lb at 3,000rpm with software, turbo, and intercooler on 93 octane
Race gas calibration options also available
Larger billet compressor wheel flows roughly 30% more than stock, enabling additional boost while retaining efficiency
Includes the o-rings and gaskets needed for a complete install on a RWD vehicle; xDrive vehicles require Dinan part number D313-0117 for additional installation hardware
Dinan’s installation procedure is quicker than BMW’s factory turbo replacement procedure on RWD vehicles, saving shop time and cost
Factory-matching 4-year/50,000-mile new car warranty when run in Dinan specification
Compatible with electronic wastegate vehicles only
50-state emissions legal: CARB EO D-176-52

Applications

BMW 335i: F30, F31, F34 | 2012-2019 | 3.0L Turbo I6 N55
BMW 435i: F32, F33, F36 | 2012-2019 | 3.0L Turbo I6 N55
BMW M235i: F22, F23 | 2014-2016 | 3.0L Turbo I6 N55

Notes

Fits N55 F-chassis models equipped with the electronic wastegate (EWG) only; requires supporting fueling and engine tuning
xDrive vehicles require Dinan part number D313-0117 for additional installation hardware

Frequently Asked Questions

What does the Dinan N55 big turbo fit? The Dinan N55 big turbo fits N55-powered F-chassis BMW models (2012-2019) equipped with the electronic wastegate, including the 335i, 435i, and M235i. Confirm your car has the EWG turbo before ordering; xDrive vehicles need Dinan part number D313-0117 for additional installation hardware.
How much power does the Dinan N55 big turbo add? On 93 octane with software, turbo, and intercooler, it delivers a max gain of 122hp and 162ft-lb at the crank over the factory turbo on non-M2 applications, or up to 48hp and 64ft-lb on the M2. Race gas calibration options are also available for further gains.
Do I need other parts to run the Dinan N55 big turbo? Yes. To realize the turbo’s potential, it requires supporting fueling and engine tuning calibrated for the larger turbo. It retains a factory-style, drop-in fit, but the ECU calibration must match the new hardware.
Is the Dinan N55 big turbo 50-state legal? Yes. It is 50-state emissions legal under CARB EO D-176-52 when run in Dinan specification, and it also carries a factory-matching 4-year/50,000-mile new car warranty in that configuration.
Is installation difficult? Installation is an involved engine-bay job best performed by a professional. The turbo is designed for a factory-style, drop-in fit on RWD vehicles, and Dinan’s documented procedure is quicker than BMW’s own factory turbo replacement process; tuning and setup are required to run it safely.

About Dinan

Founded in 1979, Dinan is North America’s leading BMW tuner, developing, manufacturing, and marketing a full line of high-performance products for BMW, MINI, and Mercedes-Benz. Dinan works through a nationwide network of Authorized Dinan Performance Centers, including select BMW dealerships and independent BMW service and performance shops. The company’s warranty program, introduced in 1996 with BMW of North America’s cooperation, matches BMW’s new car warranty and covers Dinan enhancements and the vehicle itself for up to 4 years or 50,000 miles. That coverage lets BMW owners add real performance without risking their factory warranty. Automotive publications have tested Dinan-enhanced BMWs against some of the world’s most exotic sports cars for three decades, and the results consistently hold up. Despite that performance, Dinan BMWs keep the reliability and everyday civility BMW owners expect. The product line spans engine, driveline, and chassis components across the full BMW lineup, covering acceleration, cornering, and stopping power. Every Authorized Dinan Performance Center can help build anything from a single upgrade to a complete Dinan BMW.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Dinan Big Turbocharger for N55 F-Chassis BMW with Electronic Wastegate [D310-0110A]

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Dinan Big Turbocharger for N55 F-Chassis BMW with Electronic Wastegate

Features

Applications

Notes

Frequently Asked Questions

About Dinan

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