Dinan N55 Big Turbo Upgrade for BMW | F30 335i | (MWG Engine Code) (NLA)
SKU: 13999249604

Dinan N55 Big Turbo Upgrade for BMW | F30 335i | (MWG Engine Code) (NLA)

Sale price$621.00 Regular price$690.00
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Description

Dinan N55 Big Turbo Upgrade for BMW | F30 335i | (MWG Engine Code) (NLA)For the racing enthusiast or those just looking for the best, this is the ultimate upgrade to fully maximize the power output of your MWG N55 engine. The compressor wheel inside the turbocharger is increased in size allowing ~30% greater flow thus enabling additional boost pressures at higher engine speeds while retaining efficiency. These aren't standard rebuilds but rather brand new units with a new stock turbine custom cast and manufactured with an

For the racing enthusiast or those just looking for the best, this is the ultimate upgrade to fully maximize the power output of your MWG N55 engine. The compressor wheel inside the turbocharger is increased in size allowing ~30% greater flow thus enabling additional boost pressures at higher engine speeds while retaining efficiency. These aren't standard rebuilds but rather brand new units with a new stock turbine custom cast and manufactured with an upgraded thrust system to ensure reliable and prolonged life. In order to attain maximum advertised power gains these big turbos will need to be paired with DINANTRONICS Stage 4, as well as Dinan’s intercooler to fully regulate the boost increase and deliver a polished product although the exhaust and intake is also recommended.

Note: Installation times vary depending on application: F30 335i RWD - 5.0 hrs. F30 335i xDrive - 9.9 hrs.


Features:

  • Brand new upgraded turbo that is custom cast and manufactured with an upgraded thrust system.
  • Brand new stock turbine.
  • No core charge or core return is required.
  • Larger billet compressor/impeller wheel that allows ~30% greater flow over stock which then enables additional boost to be realized while retaining efficiency.
  • Turbo assembly is compatible with mechanical/vacuum wastegate vehicles only. There is a separate kit (D310-0110) for cars equipped with an electronic wastegate.
  • Peak power: 428 HP @ 5500 RPM and 443 ft-lbs @ 4500 RPM and a max gain of 122 HP @ 6000 RPM and 107 ft-lbs @ 6000 RPM when coupled with other Dinan Performance upgrades (Data from F30 335i MWG w/ MPPK and automatic transmission. Other variants may produce different results).
  • Dinan Installation instructions detail a procedure which is quicker than BMW's turbo replacement procedure saving the end-user money and time at the shop (Applicable to RWD vehicles only).
  • Includes o-rings and gaskets needed for complete installation on a RWD vehicle only. If installing on an xDrive vehicle Dinan P/N D313-0117 is required for additional installation hardware.
  • Factory matching new car warranty (4yr/50k) when run in Dinan specification.
  • 50 State Emissions legal; CARB EO # D-176-49.


Installation Instructions: Dinan F30 MWG N55 Big Turbo Upgrade D310-0115 Instructions

VEHICLE FITMENT

  • F30 335i RWD, F30 335i xDrive
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 13999249604

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Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Inexpensive part and YouTube knowledge lead to quick fix
Size: 96158T-1PCS
Solenoid went out on boat. After viewing multiple videos on YouTube I figured that my solenoid was bad. Ordered this and received a day later. Replaced the other one and this worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
I
Verified Purchase
Ivar Andreassen
Belleville, US
★★★★★ 5
Worked perfectly!
Size: 96158T-1PCS
Have an older Mercury 40hp 2 stroke. This Solenoid worked perfectly. It is not that easy to install, due to the design of the engine. It does require a bit of patient and the right tools to do it. If you have big hands and don't do this type of repair to often, call a friend that is better than you to get some help :) I have an older engine but it runs like charm. I will order an extra Solenoid and place in the box of "important spare parts" for the future. Very good experience for the purchase and overall quality of the part.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2022
M
Verified Purchase
me
Draper, US
★★★★★ 5
Perfect fit and works great
Size: 96158T-2PCS
Perfect fit and works great. It is great that it comes as a 2pk. I replaced both with no need to change wiring, and kept the working one I had, as backup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
T
Verified Purchase
Tom K.
Chelsea, US
★★★★★ 4
It works as it should...
Size: 96158T-2PCS
Used it in a pinch for stater relay... it works great. Be aware... Mine required metric sockets for the nuts... 10mm for large terminals - 3/8 was too tight and same for smaller terminals 7mm fit better than 5/16 that was too loose. The mounting holes are also spaced closer together than the OEM on a mercruiser 260 in a mid 1980's boat but easy to remedy with a 1/4" drill bit.
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Reviewed in the United States on August 4, 2023
D
Verified Purchase
Don
Omaha, US
★★★★★ 5
Fixed 4.3 Merc IO
Size: 96158T-1PCS
Engine wouldn't start reliably or consistently. I had no clicking either from the old solenoid even though it would start from time to time...motor starts perfect after install. Pretty easy install as long as you reconnect the right wires. This worked perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 8, 2023

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