Your BMW's drive belts are wear items, and will degrade and crack over time. Don't wait until you have a belt failure... don't get stranded! Replacing your BMW's belts, such as the alternator belt, power steering belt, air conditioning AC belt, or serpentine belt is a low cost insurance policy to preventing a break down -- or worse, engine damage. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.
While also inspecting your serpentine belts, also check for wear or resistance in the pulleys. The tensioner pulley and deflection pulley are the primary sources for belt squealing. The rubber-isolated pulleys can also break apart, leading to total belt failure. We sell the tensioner and deflection pulleys for the M50 engine family used in the E34, E36, E39, E46, X5, Z3, and Z4.
Introducing our Turner Motorsport Crank Seal Guard – the essential shield for your BMW's engine integrity. Safeguarding the heart of your vehicle, this meticulously designed guard offers robust protection for the crank seal concealed behind the harmonic balancer.
Considered an indispensable maintenance component for your BMW, the Crank Seal Guard acts as a crucial defense against a potential and preventable catastrophe involving your accessory belt. Facing the reality of potential oil or coolant leaks in your engine, this guard becomes a reliable barrier, preventing these fluids from reaching the accessory belt. The consequence of a compromised belt includes walking, slipping, fraying, and rubber particles finding their way behind the harmonic balancer and into the crank seal – a scenario that can lead to severe engine failure.
Let's be honest, engine leaks are a common occurrence, and whether your engine is currently leaking or not, the Crank Seal Guard is a proactive measure against future threats. The wear and tear on the accessory belt due to oil and coolant exposure can result in slipping, tearing, or, worst-case scenario, belt snapping – posing a significant risk to your engine's well-being.
Prepare your car for the long haul and protect the vital components, It's not a matter of "if" but "when" your belt will become a problem, and our Crank Seal Guard is your proactive solution. Rigorously tested on N52/N54/N55 and S55 for 100% confirmed fitment, it stands as a reliable guardian for your engine's health. Invest in the protection your BMW deserves with the Turner Motorsport Crank Seal Guard.
Key benefits:
Protect crank seal from rogue accessory belts and their shredded debris Optimized to fit N52, N54, N55, and S55 engines Rigid design that fits within the space constraints between the engine block and harmonic balancer Zinc-coated fasteners for corrosion and oxidation resistance Design:
Modeled and designed from FARO laser scanning and Solidworks CAD Manufactured from 6061 billet aluminum Turner blue anodizing Installation:
It is a good idea to note how your belt is routed before starting the installation.
2 securing bolts for crank seal guard - Torque value of 20Nm
You will find either 6 or 8 E10 bolts are holding the harmonic balancer depending on the engine.
E10 (P#11237564511) N52: 6 bolts - Torque value of 25nm N54: 6 bolts - Torque value of 35nm N55: 8 bolts - Torque value of 35nm
E10 (P#11237575488) S55: 8 Bolts - Torque value of 35nm
Enthusiast Bundle: Turner Motorsport Crank Seal Guard with ECS Kevlar-Reinforced Belt
Protect your N5X/S55 from catastrophic failure with this must-have upgrade!
The Turner Motorsport Crank Seal Guard is meticulously designed to safeguard your engine’s crank seal from potential damage caused by a shredded serpentine belt. Oil or coolant leaks can lead to accessory belt slippage, fraying, and tearing, which can send belt debris behind the harmonic balancer and into the crank seal, risking serious engine damage.
Key Benefits:
Shields crank seal from accessory belt debris, preventing engine failure Custom-fit for N54/N55/S55 engines Zinc-coated fasteners for superior corrosion resistance Durable 6061 billet aluminum construction, with Turner blue anodized finish for added strength and style Cutting-Edge Design:
Designed using FARO laser scanning and Solidworks CAD for precision fitment Rigorous testing ensures reliable protection in all conditions Easily installs with 2 securing bolts torqued to 20Nm ECS Performance Kevlar-Reinforced Accessory Belt:
Reduced elongation for consistent performance over time Enhanced shock and impact resistance Superior oil and temperature resistance tested to JASO E 109-94 and SAE J2432 standards Ensure long-term engine health and peace of mind with the Turner Motorsport Crank Seal Guard and ECS Kevlar-Reinforced Accessory Belt combo. Prevent the "when, not if" risk of belt-related engine failure today!
This serpentine belt ( 8Pk 1390) drives the Air conditioning, Alternator, and power steering system for BMW's with the N55 engine. We recommend replacing the AC / Alternator / Power Steering belt every 80,000 miles.
This item fits the following BMWs: 2014+ F22 BMW M235i M235i xDrive 2014+ F23 BMW M235i 2011+ F25 BMW X3 xDrive35i 2015+ F26 BMW X4 xDrive35i 2012+ F30 BMW 335i 335i xDrive - Sedan 2013+ F32 BMW 435i 435i xDrive - Coupe 2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible 2014+ F34 BMW 335i xDrive GT - Gran Tourismo 2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe 2011+ F10 BMW 535i - NOT for cars with Dynamic Drive 2010+ F07 BMW 535i GT 2012+ F12 BMW 640i - NOT for cars with Dynamic Drive< 2013+ F06 BMW 640i Gran Coupe - NOT for cars with Dynamic Drive< 2009+ F01 BMW 740i 740li - NOT for cars with Dynamic Drive< 2011-2013 E70 BMW X5 xDrive35i 2011-2013 E71 BMW X6 xDrive35i 2014+ F15 BMW X5 xDrive35i - NOT for cars with Dynamic Drive< 2015+ F16 BMW X6 sDrive35i X6 xDrive35i - NOT for cars with Dynamic Drive< Show More Show Less
This serpentine belt ( 8Pk 1478) drives the Air conditioning, Alternator, and power steering system for BMW's with the N55 engine. We recommend replacing the AC / Alternator / Power Steering belt every 80,000 miles.
This item fits the following BMWs: 2011+ F10 BMW 535i 535i xDrive - Only for cars with Dynamic Drive 2010+ F07 BMW 535i GT, 535i xDrive GT 2012+ F12 BMW 640i 640i xDrive - Only for cars with Dynamic Drive< 2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe - Only for cars with Dynamic Drive< 2009+ F01 BMW 740i 740li 740li xDrive - Only for cars with Dynamic Drive< 2011-2013 E70 BMW X5 xDrive35i 2011-2013 E71 BMW X6 xDrive35i 2014+ F15 BMW X5 xDrive35i - Only for cars with Dynamic Drive< 2015+ F16 BMW X6 sDrive35i X6 xDrive35i - Only for cars with Dynamic Drive< Show More Show Less
This 4Pkx803 belt drives the air conditioning compressor for the AC system on cars with the N63,N63N,S63 engines. We recommend checking your belts every 30,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.
This item fits the following BMWs: 2009+ F01 BMW 740i 740li 740li xDrive 740ld xDrive 750i 750li 750i xDrive 750li xDrive 760li 2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe 650i Gran Coupe 650i xDrive Gran Coupe 2010+ F07 BMW 535i GT, 535i xDrive GT, 550i GT, 550i xDrive GT 2011+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive 550i 550i xDrive 2012+ F12 BMW 640i 640i xDrive 650i 650i xDrive 2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5 xDrive50i X5M 2008-2013 E71 BMW X6 xDrive35i X6 xDrive50i X6M 2014+ F15 BMW X5 sDrive35i X5 xDrive35d X5 xDrive35i X5 xDrive50i 2015+ F16 BMW X6 sDrive35i X6 xDrive35i X6 xDrive50i 2015+ F85 BMW X5 M 2015+ F86 BMW X6 MThis 4Pkx803 belt drives the air conditioning compressor for the AC system on cars with the N63,N63N,S63 engines. We recommend checking your belts every 30,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.
This item fits the following BMWs: 2009+ F01 BMW 740i 740li 740li xDrive 740ld xDrive 750i 750li 750i xDrive 750li xDrive 760li 2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe 650i Gran Coupe 650i xDrive Gran Coupe 2010+ F07 BMW 535i GT, 535i xDrive GT, 550i GT, 550i xDrive GT 2011+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive 550i 550i xDrive 2012+ F12 BMW 640i 640i xDrive 650i 650i xDrive 2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5 xDrive50i X5M 2008-2013 E71 BMW X6 xDrive35i X6 xDrive50i X6M 2014+ F15 BMW X5 sDrive35i X5 xDrive35d X5 xDrive35i X5 xDrive50i 2015+ F16 BMW X6 sDrive35i X6 xDrive35i X6 xDrive50i 2015+ F85 BMW X5 M 2015+ F86 BMW X6 M
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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belt on a regular basis to ensure proper AC operation.
Genuine BMW Ribbed V-Belt - 4Pkx786 This item fits the following BMW Chassis: F06,F10,F12,F13
Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or over heated engine due to a bit of simple overlooked maintenance.
Genuine BMW Ribbed V-Belt - Pk7X1634 This item fits the following BMW Chassis: F06,F10,F12,F13
This 4Pkx803 belt drives the air conditioning compressor for the AC system on cars with the N63,N63N,S63 engines. We recommend checking your belts every 30,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.
This item fits the following BMWs: 2009+ F01 BMW 740i 740li 740li xDrive 740ld xDrive 750i 750li 750i xDrive 750li xDrive 760li 2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe 650i Gran Coupe 650i xDrive Gran Coupe 2010+ F07 BMW 535i GT, 535i xDrive GT, 550i GT, 550i xDrive GT 2011+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive 550i 550i xDrive 2012+ F12 BMW 640i 640i xDrive 650i 650i xDrive 2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5 xDrive50i X5M 2008-2013 E71 BMW X6 xDrive35i X6 xDrive50i X6M 2014+ F15 BMW X5 sDrive35i X5 xDrive35d X5 xDrive35i X5 xDrive50i 2015+ F16 BMW X6 sDrive35i X6 xDrive35i X6 xDrive50i 2015+ F85 BMW X5 M 2015+ F86 BMW X6 M
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