Dinan
Dinan 12-18 BMW 328i/330i/335i/340i xDrive (F30) Adjustable Front & Rear Sway Bar Set - 25mm & 19mm
Dinan 12-18 BMW 328i/330i/335i/340i xDrive (F30) Adjustable Front & Rear Sway Bar Set - 25mm & 19mm
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Almost all street cars come from the manufacturer with an anti-roll bar as it is a common part of modern suspension systems. However, they are designed to be overly soft for maximum comfort. An anti-roll bar does exactly what it says by reducing body roll in all situations. Every Dinan tuned anti-roll bar is built and tuned specifically for each BMW chassis. Lowering the amount of body roll keeps your BMW more level than stock (while still allowing just enough body roll) to improve mechanical grip. This improvement gives the driver a much more planted and confident feeling in every corner.
Add a 19mm Lightweight Tubular Adjustable Rear Anti-Roll Bar to reduce body roll to improve grip and stability while saving weight at the same time. This anti-roll bar is adjustable up to 359% to 474% stiffer than the stock bar*. This 3 hole bar can be mounted in 3 different positions with stock BMW end links.
Add a 25mm Lightweight Tubular Adjustable Front Anti-Roll Bar to reduce body roll to improve grip and stability while saving weight at the same time. This anti-roll bar is adjustable up to 45% to 93% stiffer than the stock bar*. This 3 hole bar can be mounted in 3 different positions with stock BMW end links.
The stock bar is 22.5 mm on the 228i/230i/320i/328i/330i/428i/430i which means the new bar can be adjusted from 61% to 93% stiffer than the stock front sway bar.
The stock bar is 22.5 mm on the 335i/340i/435i/440i which means the new bar can be adjusted from 54% to 84% stiffer than the stock front sway bar.
*Stock bar is 23.6 mm on the M235i/M240i which means the new bar can be adjusted from 45% to 74% stiffer than the stock front sway bar.
*Stock bar is 12 mm which means the new bar can be adjusted from 359% to 474% stiffer than the stock rear sway bar.
Front Anti-Roll Bar (for xDrive)
Rear Anti-Roll Bar
Features
- Front - Large 25mm size (stock bar is 22.5.2 to 25mm depending on application); Rear - Large 19mm size (stock bar is 12mm)
- Front - 3 hole bar with 3 possible positions on bar; Rear - 3 hole bar with 3 possible positions on bar
- Only tubular anti-roll bars with a large range of adjustment on the market
- Tubular (hollow) construction
- More stable at the limit
- More mechanical grip
- Less body roll
Vehicle Fitment
Fits 1 make, 2013-2021 — click to view all 17 models
- 2015-2016 BMW 228i xDrive
- 2017-2021 BMW 230i xDrive
- 2013-2018 BMW 320i xDrive
- 2013-2016 BMW 328i xDrive
- 2017-2018 BMW 330i xDrive
- 2013-2015 BMW 335i xDrive
- 2016-2018 BMW 340i xDrive
- 2014-2016 BMW 428i xDrive
- 2015-2016 BMW 428i xDrive Gran Coupe
- 2017-2020 BMW 430i xDrive
- 2017-2020 BMW 430i xDrive Gran Coupe
- 2014-2016 BMW 435i xDrive
- 2015-2016 BMW 435i xDrive Gran Coupe
- 2017-2020 BMW 440i xDrive
- 2017-2020 BMW 440i xDrive Gran Coupe
- 2015-2016 BMW M235i xDrive
- 2017-2021 BMW M240i xDrive
Please verify exact fitment (engine, submodel, and trim) before purchasing.
Manufacturer Part Number: D120-0595
Images are for illustration purposes only; actual product may vary.
⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty — Dinan
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Manufacturer's Warranty — Dinan
Dinan warrants its Performance Products to be free from defects in materials and workmanship, and the term depends on the car. If the vehicle is still covered by the original manufacturer's new car limited warranty (4 years or 50,000 miles — 80,000 km in Canada — from first retail sale; US and Canadian specification vehicles only), the Dinan part is covered for the remaining term of that new car warranty, and an Authorized Dinan Dealer repairs or replaces the defective Dinan component without charge for parts or labor, including any original manufacturer component directly affected by it. If the car is out of its new car warranty, Dinan Performance Products carry a 2-year, unlimited mileage warranty from the date of original purchase; labor is reimbursed at the dealer's standard flat-rate, but repairs to affected original manufacturer components are not reimbursed. DINANTRONICS Sport, DINANTRONICS X and DINANFLASH handheld units are 1 year, unlimited mileage; refurbished products are 90 days; and racing-only parts are guaranteed against defects in workmanship only — they are not warranted against wear or failure and may affect the BMW factory and emissions warranty. Dinan's warranty is transferable when the vehicle it was installed on is sold. A lawful invoice as proof of purchase is required, and the defective part must be returned to Dinan for verification before any adjustment. Not covered: return shipping, towing and rental car charges; unauthorized modification of a Dinan part, or damage from using other manufacturers' products alongside Dinan systems; non-DCT clutch assemblies, brake rotor warp and friction materials; maintenance items such as spark plugs, filters, lubricants, fluids, coolant, drive belts and light bulbs; negligence, abuse or improper installation; engine damage from altering Dinan's original boost pressure; improper or contaminated fuel; collision damage; environmental damage, flood, fire or road-salt corrosion; and any vehicle operated in a competitive event or subjected to aggressive track conditions. The warranty is void if the VIN or odometer has been altered, if the vehicle was declared a total loss or salvage, or if it has been used in competition. Note that installing performance products may affect the vehicle manufacturer's own new car warranty. Because Dinan handles claims through an Authorized Dinan Dealer, if you bought it here, contact PitStopTuning and we'll file the claim with Dinan for you rather than approaching Dinan directly.
Warranty terms are set by the manufacturer and may change. Contact us if you need help with a warranty claim.

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