Sold Out
N54 N55 T4 Single Turbo Top Mount Hot Parts Kit 44mm WG For BMW E F Series 135i 335i
Couldn't load pickup availability
Refresh
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Verified
Shipping Information
Shipping calculated at checkout
Shipping cost and estimated delivery for this item will be shown at checkout based on your location.
Processing Time: 1–3 business days
Tracking number sent via email once dispatched
Orders over $250 require signature upon delivery.
Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Your Cart
Item(s):
Total: $41.55
N54 N55 T4 Single Turbo Top Mount Hot Parts Kit 44mm WG For BMW E F Series 135i 335i
$999.95
Sold Out
T4 Single Turbo Top Mount Hot Parts Kit 44mm WG Port For BMW N54 N55 With Downpipe kit –
*Patent Pending*
Introducing our newly released patent pending T4 Top Mount Turbo Hot Parts Kit designed specifically for BMW N54 and N55 engines . This kit is engineered for enthusiasts upgrading to a single turbo setup, offering superior fitment, durability, and performance gains.
Key Features:
T4 turbo flange top-mount design for optimal turbo placement and heat management
Integrated 44mm wastegate port for accurate boost control and easier plumbing
Compatible with both BMW N54 and N55 platforms
Dual O2 sensor ports on each side of the manifold for full tuning and monitoring flexibility
Includes provisions for downpipe connection to simplify installation
Constructed from high-temperature resistant materials for maximum durability under extreme conditions
This kit is ideal for street, track, or high-horsepower builds seeking a solid foundation for single turbo conversion.
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days . Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
<div class="dynamic-checkout__content" id="dynamic-checkout-cart" data-shopify="dynamic-checkout-cart"> <shopify-accelerated-checkout-cart wallet-configs="[{"supports_subs":true,"supports_def_opts":false,"name":"shop_pay","wallet_params":{"shopId":69204410420,"merchantName":"Carkart","personalized":true}},{"supports_subs":false,"supports_def_opts":false,"name":"amazon_pay","wallet_params":{"checkoutLanguage":"en_US","ledgerCurrency":"USD","placement":"Cart","sandbox":false,"merchantId":"A1ONOTYM25CI4M","productType":"PayAndShip","design":"C0002"}},{"supports_subs":true,"supports_def_opts":false,"name":"paypal","wallet_params":{"shopId":69204410420,"countryCode":"US","merchantName":"Carkart","phoneRequired":true,"companyRequired":false,"shippingType":"shipping","shopifyPaymentsEnabled":true,"hasManagedSellingPlanState":false,"requiresBillingAgreement":false,"gatewayType":"MANAGED","merchantId":"PZG6E6657YATJ","sdkUrl":"https://www.paypal.com/sdk/js?components=buttons\u0026commit=false\u0026currency=USD\u0026locale=en_US\u0026client-id=AbasDhzlU0HbpiStJiN1KRJ_cNJJ7xYBip7JJoMO0GQpLi8ePNgdbLXkC7_KMeyTg8tnAKW4WKrh9qmf\u0026merchant-id=PZG6E6657YATJ\u0026intent=authorize","serviceableCountryCodes":["AC","AD","AE","AF","AG","AI","AL","AM","AO","AR","AT","AU","AW","AX","AZ","BA","BB","BD","BE","BF","BG","BH","BI","BJ","BL","BM","BN","BO","BQ","BR","BS","BT","BW","BY","BZ","CA","CC","CD","CF","CG","CH","CI","CK","CL","CM","CN","CO","CR","CV","CW","CX","CY","CZ","DE","DJ","DK","DM","DO","DZ","EC","EE","EG","EH","ER","ES","ET","FI","FJ","FK","FO","FR","GA","GB","GD","GE","GF","GG","GH","GI","GL","GM","GN","GP","GQ","GR","GS","GT","GW","GY","HK","HN","HR","HT","HU","ID","IE","IL","IM","IN","IO","IQ","IS","IT","JE","JM","JO","JP","KE","KG","KH","KI","KM","KN","KR","KW","KY","KZ","LA","LB","LC","LI","LK","LR","LS","LT","LU","LV","LY","MA","MC","MD","ME","MF","MG","MK","ML","MM","MN","MO","MQ","MR","MS","MT","MU","MV","MW","MX","MY","MZ","NA","NC","NE","NF","NG","NI","NL","NO","NP","NR","NU","NZ","OM","PA","PE","PF","PG","PH","PK","PL","PM","PN","PS","PT","PY","QA","RE","RO","RS","RU","RW","SA","SB","SC","SD","SE","SG","SH","SI","SJ","SK","SL","SM","SN","SO","SR","SS","ST","SV","SX","SZ","TA","TC","TD","TF","TG","TH","TJ","TK","TL","TM","TN","TO","TR","TT","TV","TW","TZ","UA","UG","UM","US","UY","UZ","VA","VC","VE","VG","VN","VU","WF","WS","XK","YE","YT","ZA","ZM","ZW"]}},{"supports_subs":true,"supports_def_opts":false,"name":"google_pay","wallet_params":{"sdkUrl":"https://pay.google.com/gp/p/js/pay.js","paymentData":{"apiVersion":2,"apiVersionMinor":0,"shippingAddressParameters":{"allowedCountryCodes":["AC","AD","AE","AF","AG","AI","AL","AM","AO","AR","AT","AU","AW","AX","AZ","BA","BB","BD","BE","BF","BG","BH","BI","BJ","BL","BM","BN","BO","BQ","BR","BS","BT","BW","BY","BZ","CA","CC","CD","CF","CG","CH","CI","CK","CL","CM","CN","CO","CR","CV","CW","CX","CY","CZ","DE","DJ","DK","DM","DO","DZ","EC","EE","EG","EH","ER","ES","ET","FI","FJ","FK","FO","FR","GA","GB","GD","GE","GF","GG","GH","GI","GL","GM","GN","GP","GQ","GR","GS","GT","GW","GY","HK","HN","HR","HT","HU","ID","IE","IL","IM","IN","IO","IQ","IS","IT","JE","JM","JO","JP","KE","KG","KH","KI","KM","KN","KR","KW","KY","KZ","LA","LB","LC","LI","LK","LR","LS","LT","LU","LV","LY","MA","MC","MD","ME","MF","MG","MK","ML","MM","MN","MO","MQ","MR","MS","MT","MU","MV","MW","MX","MY","MZ","NA","NC","NE","NF","NG","NI","NL","NO","NP","NR","NU","NZ","OM","PA","PE","PF","PG","PH","PK","PL","PM","PN","PS","PT","PY","QA","RE","RO","RS","RU","RW","SA","SB","SC","SD","SE","SG","SH","SI","SJ","SK","SL","SM","SN","SO","SR","SS","ST","SV","SX","SZ","TA","TC","TD","TF","TG","TH","TJ","TK","TL","TM","TN","TO","TR","TT","TV","TW","TZ","UA","UG","UM","US","UY","UZ","VA","VC","VE","VG","VN","VU","WF","WS","XK","YE","YT","ZA","ZM","ZW"],"phoneNumberRequired":true,"format":"FULL-ISO3166"},"merchantInfo":{"merchantName":"Carkart","merchantId":"16708973830884969730","merchantOrigin":"carkart.com"},"allowedPaymentMethods":[{"type":"CARD","parameters":{"allowedCardNetworks":["VISA","MASTERCARD","AMEX","DISCOVER","JCB"],"allowedAuthMethods":["PAN_ONLY","CRYPTOGRAM_3DS"],"billingAddressRequired":true,"billingAddressParameters":{"format":"FULL-ISO3166","phoneNumberRequired":true}},"tokenizationSpecification":{"type":"PAYMENT_GATEWAY","parameters":{"gateway":"shopify","gatewayMerchantId":"69204410420"}}}],"emailRequired":true},"customerAccountEmail":null,"environment":"PRODUCTION","availablePresentmentCurrencies":["USD"],"auth":[{"jwt":"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJtZXJjaGFudElkIjoiMTY3MDg5NzM4MzA4ODQ5Njk3MzAiLCJtZXJjaGFudE9yaWdpbiI6ImNhcmthcnQuY29tIiwiaWF0IjoxNzkwNTkyNzAwfQ.qodm9seDHZWp3IF7-jP1wIzPiL01GPp9U8OpGGngqBQO8AKRgMgpFK4657nuYqqBPVtqFhdUhyp191jSvW8frQ","expiresAt":1790635900},{"jwt":"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJtZXJjaGFudElkIjoiMTY3MDg5NzM4MzA4ODQ5Njk3MzAiLCJtZXJjaGFudE9yaWdpbiI6ImNhcmthcnQuY29tIiwiaWF0IjoxNzkwNjM1OTAwfQ.YpDObeLoyl4Zvs4gvWC6j9pzH-ODNcrdnvYdXSphlxXgBD8pPLCo6S2c9vljkmKZv-oKHXPchRc_YL0SDO4Pgg","expiresAt":1790679100}],"cardsinkUrl":"https://checkout.pci.shopifyinc.com/sessions","cardsinkCallerIdentificationJwt":"eyJraWQiOiJ2MSIsInR5cCI6IkpXVCIsImFsZyI6IkhTMjU2In0.eyJjbGllbnRfaWQiOiIxMSIsImNsaWVudF9hY2NvdW50X2lkIjoiNjkyMDQ0MTA0MjAiLCJ1bmlxdWVfaWQiOiIwMU0zS1Q4S0s5WFE2TTJSN1JZTlBFWUVDQSIsImlhdCI6MTc5MDU5MjcwMH0.O26iBzqGPuxMkRT9G5TkHcWVGW85UI_P_OcvVsyoKw0"}}]" access-token="20810d98afa2dc52788bfff7f8a52a25" buyer-country="US" buyer-locale="en" buyer-currency="USD" shop-id="69204410420" cart-id="hWNHLoDjYFibo3XYenm8TAri" enabled-flags="["1172c16a","a1d1f9a1","f5afabb3","370070f3"]" requires-shipping > <div class="wallet-button-wrapper"> <ul class='wallet-cart-grid wallet-cart-grid--skeleton' role="list" data-shopify-buttoncontainer="true"> <li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li> </ul> </div> </shopify-accelerated-checkout-cart> </div>