Dinan

DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36

SKU: D780-0002
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
DINAN HIGH PERFORMANCE HEAT EXCHANGER - 2016-2021 BMW 230I/M240I/330I/340I/430I/440I F22/F23/F30/F31/F32/F33/F34/F36
$714.93
Availability:
  • Description
  • Fitment
  • Refund Policy
OVERVIEW
The factory B4x/B58 heat exchanger is not built to cater to the rigorous demands often associated with a modified build. The thin core is easily overwhelmed with IAT's rising dramatically once pushed beyond a few successive WOT pulls or even a few minutes at the track. This elevation in temperature gives way to the factory ECU fail safes pulling timing and reducing overall power in order to keep the system from overheating to the point of permanent damage. On an application where enjoyment is directly attributed to pushing the platform to its limits this constraint to cooling presents a challenge for the automotive enthusiast. The Dinan B4x/B58 heat exchanger for the F2x/F3x chassis assists in mitigating these issues with a more robust core (48mm thick Dinan core vs. 27mm thick OEM core) that wields 78% more heat transfer surface area for improved cooling capacity. The significant increase in core thickness requires unique "L" shaped end tanks to be incorporated as well, which also contributes to the overall thermal mass (ability to absorb, store, and release heat) improvement beyond the OEM setup. With up to a 15° IAT delta recorded over stock the Dinan heat exchanger is ready, and able, to assist in extending your vehicles ability to deliver maximum performance time and time again for your driving enjoyment!

Features:

  • Average of 8° reduction in IAT's with a maximum reduction of 15° over 15 successive WOT pulls
  • Reduces the tendency to heat soak / go in to limp mode
  • 48mm thick Dinan cooler vs. 27mm thick stock cooler
  • 78% more cooling surface area and volume than stock
  • 100% TIG welded and pressure tested
  • Installation hardware included (inclusive of xDrive specific transmission oil cooler brackets)

ENDURANCE TESTING

Charge Air Temp Reduction, or Intercooler Temperature drop (Intercooler dT), is a measurement of the temperature drop across the intercooler (inlet temperature - outlet temperature). For this testing and data presentation, the measurement was taken at the end of each pull (~100mph WOT). The end of the pull was chosen as it generally represents the highest load on the charge cooling system. The charge cooling system has two parts, the intercooler and heat exchanger. The data shows that by implementing the Dinan heat exchanger, with the OEM intercooler, the charge cooling system pulls more heat from the intake air (lower IAT's) and performance decays slower (longer time on track before cooldown required).


Returns

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Additional non-returnable items:
Gift cards
Downloadable software products

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted (if applicable)

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.

If you would like to start a return please click here

Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.


Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.


Exchanges (if applicable)

To start an exchange, click here

Non-refundable items

The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable or electronic tuning components.

All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.


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