Genuine BMW Engine Bay Shield Mount - Underride Guard - Undertray Support - OEM Part 51757309591
Restore your BMW’s underbody protection the right way with this Genuine BMW Engine Bay Shield Mount, also known as the undertray mount, splash guard bracket, underride guard support and underbody shield mount. Perfect OEM fit and finish for F Series BMW 1 Series, 2 Series, 3 Series and 4 Series models, including popular engines such as 125i, 228i, 335i and 440i. Part number 51757309591.
We’ve installed this part on our own cars and for many customers at Nforcd. The fit is spot on, it stops annoying undertray rattles, and it properly secures the engine underguard for quieter, cleaner airflow and better protection from road debris and weather. Customers consistently report a factory-fresh result and a tidy, rattle-free engine bay.
Why choose this Genuine BMW undertray mount
- Direct replacement - Genuine BMW OEM part 51757309591 for guaranteed fit and durability
- Secures the engine undertray - prevents sagging, rubbing and rattles from broken or missing mounts
- Protects vital components - helps shield sump, belts and ancillaries from stones, salt and spray
- Restores factory underbody airflow - smoother, quieter drive when the shield is properly mounted
- Trusted by enthusiasts - fitted by Nforcd with excellent customer feedback
Common symptoms it fixes
- Loose or hanging engine undertray and splash guard
- Vibration or rattling noises from the front underbody
- Missing, damaged or worn engine bay shield mounts
Compatibility - BMW F Series
This Genuine BMW Engine Bay Shield Mount fits the following models. If unsure, request a free compatibility check using your UK registration or last 7 of your VIN.
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1 Series - F20, F20 LCI, F21, F21 LCI 2010-2019
114d, 114i, 116d, 116i, 118d, 118i, 120d, 120i, 125d, 125i, M135i, M140i -
2 Series - F22, F22 LCI 2012-2019
218d, 218i, 220d, 220i, 225d, 228i, 230i, M235i, M240i -
3 Series - F30, F30 LCI, F31, F31 LCI, F34 GT, F34 GT LCI 2011-2019
316d, 316i, 318d, 318i, 320d, 320i, 320dX, 320iX, 325d, 328i, 328iX, 330d, 330dX, 330e, 330i, 335i, 335iX, 340i, Hybrid 3 -
4 Series - F32, F32 LCI, F36 Gran Coupé, F36 LCI 2012-2019
418d, 418i, 420d, 420i, 425d, 428i, 430d, 430i, 435i, 440i
Part number
51757309591 - Genuine BMW OEM
Compatibility check
We will verify fitment before dispatch. Add your UK registration or last 7 of your VIN at checkout and we’ll confirm this Engine Bay Shield Mount 51757309591 is correct for your BMW.
Professional fitting
Want it fitted properly first time? Book professional installation with Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quote and availability.
Manufacturer and warranty
Manufactured by: BMW
Warranty: Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers if VIN is provided during checkout on compatible vehicles.
Search-friendly terms
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