N55 serpentine belt

Replaces: 11-28-7-589-366. Warranty: This genuine part is guaranteed by BMW's factory warranty. Fits the following Vehicles: 2012-2015 BMW 335i | Sedan (F30) View related parts. BMW 335i Ribbed V-Belt. Part Number: 11287628652. Vehicle Specific. $43.24 MSRP: $65.74.

N55 serpentine belt. Winter is the perfect time to look for Orion's Belt in the Northern Hemisphere. If you're new to stargazing, we'll show you how to find it. Advertisement As you learn more about th...

SERPENTINE BELT DIAGRAM F30 F31 F32 F36 320i 328i 428i 420iIf you need the serpentine belt diagram on BMW F30 F31 F32 F36 we will explain the serpentine belt...

In Stock. $148.99. Free Shipping. Performance Accessory Belt Kit - Kevlar Reinforced. Utilizes high quality components and our performance Kevlar reinforced belt Earn 5% …Oct 20, 2020 · WHY SERPENTINE BELT KEEPS COMING OFF ON BMW N51 N52 N53 N54 N55 ENGINEIf you have BMW with 6 cylinder engine and your serpentine belt keeps coming off, you i... This part is listed by BMW as BMW part number 11287628653 (11-28-7-628-653) and is described as Continental OEM Main Drive Belt / Serpentine Belt, 7PKx1860, as used on some N54 and N55 powered BMWs. Belt …Product Details. Earn 5% back in ECS Rewards on orders placed 4/15-4/29. Redeem 6/3-6/28. Terms & conditions apply. 2X Entries For Spring Spin To Win Sweepstakes. …Find many great new & used options and get the best deals for 11-19 BMW 335 435 640 740 X5 X6 N55 Engine Serpentine Belt Tensioner Pulley OEM at the best online prices at eBay! Free shipping for many products! Shop OEM BMW Serpentine Belts at BMW Parts Deal Up to 40% off Now! We offer factory BMW Serpentine Belts for all BMW series and models. ... Convertible N55 Engine(E88 ... Buy BMW part 11287582946 (11 28 7 582 946) BMW N55 Mechanical Belt Tensioner for N55 e-chassis BMWs including 2011 335i & 335xi (E90), 2011-2013 135i (E82/E88), 2011-2013 335i & 335xi (E92/E93) at the best price with fast shipping. ... If you are servicing the serpentine belt system on the N55 powered BMWs, which drives the alternator, AC and ...I'm a usual here on the forums. I have owned a 135i 2011 n55 for well over 2 years now. I've had the DREADFUL SERPENTINE BELT SQUEEL. Like 5 months into ownership it started happening faintly. I replaced belt and pulley's but noise still kept on. dampner pulley and cause engine failure stopped timing and seizing up.

BMW N54, N52, N55 Crank Seal Protection Plate 335i, 135i, 535i, Z4. This Crank Seal Protection Cover is a preventative measure application designed to prevent the belt from entering the oil pan through …591 posts · Joined 2005. #2 · Oct 7, 2019. Yes do those together but also check for leaks at the oil filter housing gasket and do that as well if there are signs of leakage because it can leak on a perfectly new serpentine belt. 2011 535i Sport 6sp MT. 2000 328ci Sport 5sp MT. 1958 Isetta bubble car.2011 X5 Xdrive35i w/ N55 engine. Can someone please confirm that the torque specs for the bolt (part # 07129906293) securing the serpentine belt tensioner (part # 11288604266) are: 25nm + torque angle 90' (1/4 turn) Thanks, in advance.Mar 5, 2021 ... On the BMW F30 with the N20 or N26 engine, serpentine belt replacement is easy to tackle at home with minimal tools.nonford. 55 posts · Joined 2013. #3 · Mar 28, 2017. Slide the fan out and that will give you the room needed. Not that difficult. Study the belt and even draw it out for ease of installation. The fan has like a butterfly tab on the side that needs to unseat the locking of it in place. VTT BILLET BMW N54/55 Crank Seal Guard. It is a well-known issue on the BMW N54/N55/S55 platforms that your serpentine belt can fail for various reasons, when this happens you have a high chance of the belt getting sucked behind the front damper, and then being pushed past the crank seal into your oil. MSRP Price: 49.67. BW Part #: 11287628661. Brand: Continental Contitech. (In Stock) Description. Customer Reviews. The main drive belt runs the power steering pump, air conditioning compressor, and alternator on the N55 6-cylinder turbo engine. It's very important not to neglect your drive belts as a failure will leave you stranded. SERPENTINE BELT NOISE SQUEAKING BMW N55 335i 535i 435i 635i M235i X1 X3 X4 X5 X6 XDRIVE35i SDRIVE35iIf you have serpentine belt noise, squealing noise, squea...

How to replace the drive belt kit on the BMW N47 and N57 engines.Buy The Gates Drive Belt Kit HERE: https://amzn.to/2YMgzbhDonate Via Paypal HERE: https://bi...The crank seal serpentine belt guard is made of high quality aluminum,CNC machined. Application:Compatible with BMW N54,N55,N52,S55 engines ; Come with 2pcs bolts and washers for installation. Report an issue with this product or seller. Brief content visible, double tap to read full content. Replaces: 11-28-7-589-366. Warranty: This genuine part is guaranteed by BMW's factory warranty. Fits the following Vehicles: 2012-2015 BMW 335i | Sedan (F30) View related parts. BMW 335i Ribbed V-Belt. Part Number: 11287628652. Vehicle Specific. $43.24 MSRP: $65.74. 26867 posts · Joined 2015. #3 · Jan 10, 2021. I am just past 100K miles and inspect the belts, serp and elasto, weekly. At the moment I see no fraying or separation or cracking of either. The belts, made of ‘rubber’ elastomers should not be exposed to ANY underhood fluid (antifreeze coolant, ATF, PS, oil, brake) except clean water or DEF.

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Forget about trendy backpacks or designer handbags: a money belt will ensure that your adventure doesn't turn into a cash-strapped nightmare. We may be compensated when you click o...Jul 5, 2021 · This Crank Seal Protection Cover is a preventative measure application designed to prevent the belt from entering the oil pan through the front crank seal, in the event of an serpentine belt failure. The kit comes with 2 stainless steel replacement bolts, washers and 0.5ml of Loctite. These are... Just one example. Oct 27, 2020 · SERPENTINE BELT REPLACEMENT DIAGRAM BMW E81 E82 E87 E88 125i 128i 130i 135iIf you have BMW 1 series e81 e82 e87 e88 and you need to replace the serpentine be... Dec 25, 2020 · Decent pliers. 1. Using the T20 Torx bit, remove the 4 screws holding the cold air intake in place and remove to provide access to the fan shroud. This is what I needed the telescopic magnet for. 2. Disconnect the fan power supply and unhook the clips holding the wire in place across the top of the radiator. It is a well-known issue on the BMW N54/55 platforms that your serpentine belt can fail for various reasons. When this happens, there is a high chance of the belt getting sucked behind the front damper pulley and then being pushed past the crank seal into your oil pan. From there it can get sucked into the oil pick up causing total engine failure.

BMW N55 F-chassis Main Drive Belt (F10, F22, F30/F32, etc) 11287628661. Buy BMW part 11287628661 (11 28 7 628 661) Main Drive Belt, 8PK1390 - F22, F3X, F10, F13, X3, X4, X5, X6 (11287628661) at the best price with …E90 N55 Serpentine Issues I recently got 2011 335i and have been working through issues. The last one I’m trying to deal with is related to the serpentine system. The initial issue was that the belt seemed to be walking a bit off the large idler pulley towards the bottom. This resulted in in touching the edge of the balancer and was starting ...How to make a belt from an Altoids tin is explained in this article from HowStuffWorks. Find out how to make a belt from an Altoids tin. Advertisement Long before the green movemen...N52/N54/N55 serpentine belt guard. When oil gets on the serpentine belt the belt tends to slip up and get shredded and sucked in through the front main seal. This plate goes over the front main seal to protect your …For BMW N54 N55 S55 Engines. N54 PCV Valve Kit. N54 PCV Valve. N54 PCV Valve Cover. -Effectively protect the crank. 1x Crank Seal Serpentine Belt Guard. Crank Seal Serpentine Belt Guard. 1x Oil Filter Housing Cap (with Seal O-ring).Is your car having trouble starting? Is your battery light on the dash? Are your interior lights dimming or weak? Is your car just not as responsive as it w...$2.97. Qty: +. - Add to Cart. 320J4 Serpentine Belt. 32 Pitch Length X 4 ribs V-Ribbed Belt (J) $3.65. Qty: +. - Add to Cart. 240J6 Serpentine Belt * 24 Pitch Length X 6 ribs V …BELT IDLER PULLEY REPLACEMENT REMOVAL BMW N55 335i 535i 435i 635i M235i X1 X3 X4 X5 X6 XDRIVE35i SDRIf you need to replace the serpentine belt idler pulley o...Product Details. Earn 5% back in ECS Rewards on orders placed 4/15-4/29. Redeem 6/3-6/28. Terms & conditions apply. 2X Entries For Spring Spin To Win Sweepstakes. …Replace an AC clutch by removing the serpentine belt and the air conditioner belt, unplugging the electrical harness from the compressor, removing the clutch, changing the pulley, ...This is an OEM INA mechanical tensioner for the serpentine belts on BMW's with the N55 engine. This tensioner keeps the belt for the alternator, power steering and Air Conditioning taught to provide maximum performance of each system. OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision ...

1- Remove and replace oil filter housing gasket and associated parts. Replace Crankshaft oil seal. Clean affected area and perform oil pressure "priming" procedure after repairs. Replace oil soaked upper radiator hose, …

This part is listed by BMW as BMW part number 11287628653 (11-28-7-628-653) and is described as Continental OEM Main Drive Belt / Serpentine Belt, 7PKx1860, as used on some N54 and N55 powered BMWs. Belt … TMSF30N55BPKT - N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW F22/23 F3X N55 3.0L N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW F22/23 F3X N55 3.0L BMW has a seemingly endless number of fans of the N54/N55/S55 engines, three straight-six turbo engines that are each capable of 750+ horsepower, but that doesn't mean they were without ... 135i, 135is, 335i, 335i xDrive, X1. Complete drive belt kit composed of Contitech serpentine belt, INA automatic belt tensioner assembly, and INA idler pulley. Save for later. 36 Ratings. Available. In Stock. Price each: $178.56. QTY. Add to cart. Dec 27, 2022 · SERPENTINE BELT TENSIONER REPLACEMENT REMOVAL BMW N55 335i 535i 435i 635i M235i X1 X3 X4 X5 X6 XDRIVIf you need to replace the serpentine belt tensioner on B... 2013 X5 E70 N55 Xdrive 35i Belt diagram. I’m posting this in hopes it is more readily available to anyone needing this particular engine belt diagram. The interwebz are full of every other variation, except this one which was hard to find. While this particular photo is from a 2014 engine, the belt orientation for the 7 pulleys is the exact same.A bench grinder is the ideal tool for all those sharpening jobs, but if you don't own one you might find a belt sander works as well. Watch video. Expert Advice On Improving Your H...BMW N54 N55 T60 SERPENTINE BELT TENSIONER TOOL Item No.AMR317A. Print. BMW N54 N55 T60 SERPENTINE BELT TENSIONER TOOL Item No.AMR317A * Size 580mml * Material: S45C Steel . Q'TY/ CTN N.W./KG G.W./KG CUFT PACKAGE; 20: 14: 15: 2: POLYBAG: Add to Basket Inquire Now.Aug 17, 2022 · Shop Amazon for URLWALL Crank Seal Guard Plate for BMW 335i 528i 135i S55 N54 N55 N52 Engines, Front Crankshaft Seal Engine Serpentine Belt Guards Protection Guards Plate Replacement (Red) and find millions of items, delivered faster than ever. Package Included:1x Crank Seal Serpentine Belt Guard (including all necessary mounting hardware) Apply to Fitment: Compatible with BMW N54、N55、N52、S55 engines . 135i 2008-2013 . 135is 2013 . 1 Series M 2011 . 335i 2007-2015 . 335is 2011-2013 . 335xi 2007-2008 . 335i xDrive 2009-2015 .

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TMSF30N55BPKT - N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW F22/23 F3X N55 3.0L N55 "Bulletproof" Crank Hub & Serpentine Kit - BMW F22/23 F3X N55 3.0L BMW has a seemingly endless number of fans of the N54/N55/S55 engines, three straight-six turbo engines that are each capable of 750+ horsepower, but that doesn't mean they were without ...2013 X5 E70 N55 Xdrive 35i Belt diagram. I’m posting this in hopes it is more readily available to anyone needing this particular engine belt diagram. The interwebz are full of every other variation, except this one which was hard to find. While this particular photo is from a 2014 engine, the belt orientation for the 7 pulleys is the exact same.The main accessory belt, also known as the serpentine belt, can be another source of BMW N55 engine squeal. As the belt ages, it can stretch, causing it to slip on …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.Here are some tips to solve common problems with tool belts. Watch this video to find out more. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All R...E90 335 N55 Serpentine Belt Replacement. Need to replace my belt very soon and am going to order a full kit to replace belt, tensioner, idler and deflection pulleys. Anyone know which torxs are required for the pulleys? It looks like a T60 is used for the tensioner, not sure about the two pulleys.Feb 27, 2020 · The BMW N55 is a 3.0L inline 6 turbocharged, direct-injected gasoline engine produced from 2009-2019. BMW’s N55 engine succeeded the N54 engine, but moved to a single-turbo design as opposed to the twin-turbo N54. The N55 also followed the N54’s footsteps winning 3 straight Ward’s 10 Best Engines awards. There are a lot of great tools out there for your inner MacGyver, but this DIY belt screwdriver doesn’t take up any pocket space and can hide in plain sight. There are a lot of gre...852 posts · Joined 2011. #1 · Sep 29, 2022. I've got about 70K on my N55. I can see the belt jittering a bit when idling. Seems to me that the belt might be sketched a bit and needs replacing. But I question the need to replace the belt tensioner. Since it's only a spring, could the spring actually weaken over time and the tensioner require ... 1. Serpentine belt shreds. 2. Pieces of belt wrap around the crankshaft behind the pulley sight unseen. 2.a. Owner replaces belt and continues to drive car unaware of belt behind pulley. 3. The pieces of belt break past the front crankshaft seal and get tangled in the timing chain. 3.a. ….

Performance Kevlar Reinforced Accessory Belt - N55 Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287628659 and 11287589365 2X Entries For Spring Spin To Win Sweepstakes VTT BILLET BMW N54/55 Crank Seal Guard. It is a well-known issue on the BMW N54 / N55 / S55 platforms that your serpentine belt can fail for various reasons, when this happens you have a high chance of the belt getting sucked behind the front damper, and then being pushed past the crank seal into your oil pan. From the1. N55 E9x Belt and Pulleys Refresh Parts (OE and OEM N55 E9x belts and pulley kits go fo $160 to $200 online) 2. Torx T50 and Torx T60 drivers. Preferably on a 1/2 or 3/8 female 3. 1/2 or 3/8 Ratchet wrench for the Torx drivers. 4. 20 inches or longer 1/2 or 3/8 breaker bar for your T60 driver to tackle the tensioner. 5.SERPENTINE BELT REPLACEMENT BMW N55 335i 535i 435i 635i M235i X1 X3 X4 X5 X6 XDRIVE35i SDRIVE35i M2 If you need to replace the serpentine belt on BMW N55 engine in this video we will...How to make a belt from an Altoids tin is explained in this article from HowStuffWorks. Find out how to make a belt from an Altoids tin. Advertisement Long before the green movemen...Jun 15, 2019 · In this video, I’ll share How To STOP Your BMW Belt Getting Sucked Into Your Engine! As seen here from Ozwerkzperformance:https://www.oxwerkzperformance.com/... This specially designed tool allows the technician to access most T-60 Torx ® belt tensioners on BMW N54 and N55 engines found in many models from 2007 to 2013. The tensioner is in a confined area that a standard T60 socket has a hard time accessing. This unique wrench design allows the technician to loosen the spring pressure with minimal ...Drive Belt Service for BMW 4 Series F32 (2014+) Drive belts should be inspected and changed regularly to avoid further complications. We offer Genuine BMW and other aftermarket brands that we trust or know to be OE manufacturers. We like to make it easy on you and do all the research for you - check out our Drive Belt Service kits.1- Remove and replace oil filter housing gasket and associated parts. Replace Crankshaft oil seal. Clean affected area and perform oil pressure "priming" procedure after repairs. Replace oil soaked upper radiator hose, serpentine belt and one additional coolant hose. N55 serpentine belt, The economic case for immigration. Trump’s anti-immigration crusade is taking a toll on the same Rust Belt communities that voted for him. Foreign-born arrivals have been a boost f..., N52/N54/N55 serpentine belt guard. When oil gets on the serpentine belt the belt tends to slip up and get shredded and sucked in through the front main seal. This plate goes over the front main seal to protect your …, Best instructions I can offer: Remove intake and front intake cowl (parts over the front of the motor) Remove Radiator Fan (involves some tricky squeezing but not too hard) Take pic of belt pattern. Use breaker bar to release tension and insert service pin to hold. Unbolt unbolt unbolt. Install new in reverse., Feb 20, 2020 · Get your N55 Tensioner Kit Here: https://www.kiesmotorsports.com/search?type=product&q=beltHey Everyone,In today's video, we're going to show you how to repl... , 591 posts · Joined 2005. #2 · Oct 7, 2019. Yes do those together but also check for leaks at the oil filter housing gasket and do that as well if there are signs of leakage because it can leak on a perfectly new serpentine belt. 2011 535i Sport 6sp MT. 2000 328ci Sport 5sp MT. 1958 Isetta bubble car., Is your car having trouble starting? Is your battery light on the dash? Are your interior lights dimming or weak? Is your car just not as responsive as it w..., 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., As strange as it may sound, a BMW serpentine belt getting sucked inside the engine is not only possible, it is actually a fairly common occurrence. We see it all the time. In fact, we saw another one just recently on a new customer’s ’08 BMW 535i and we took the opportunity to get the photos that you see here., CODES You Reported: A. Upon Startup with New Belt: P0015: 'B' Camshaft Position Timing Over-Retarded (Bank 1) P1553: Engine Position System 'B' Performance (Bank 1) All 6 misfire codes: P0301 - P0306. B. AFTER "Goofing around with the VANOS solenoids": All 6 misfire codes: P0301 - P0306, SAME as before., A serpentine belt, also known as a multi-vee, poly-v, or multi-rib belt, is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc. Over time the belt can become frayed, cracked or even break., Serpentine Belt - Keeps Shredding. Hello everyone. I really hope someone can offer some insight into this serpentine belt problem I’ve been having. The car is a 2012 X5 35i (10/2011). I bought it used in August of 2021 from a BMW dealership with about 108,000 miles. It has about 143,000 miles now. About 3,500 miles ago the serpentine shredded ..., I found these on amazon and they should fit.Idler pulley - https://amzn.to/2zcsTVpSerpentine belt - https://amzn.to/2WIAjswYou can email me at Camaromac91@gm... , Product ratings and reviews. Learn more. Write a review. No ratings or reviews yet. Body type: Convertible, Mfr body code: E93. Body type: Coupe, Mfr body code: E92. This an OEM, High Quality Serpentine Belt, Tensioner an pulleys Kit. 1pc OEM Serpentine Belt. 1pc OEM Automatic Belt Tensioner Assembly., Types of Water Slides, from Sleds to Serpentines - There are several different types of water slides, but they comprise many of the same parts. Learn about the different types of w..., 1. Serpentine belt shreds. 2. Pieces of belt wrap around the crankshaft behind the pulley sight unseen. 2.a. Owner replaces belt and continues to drive car unaware of belt behind pulley. 3. The pieces of belt break past the front crankshaft seal and get tangled in the timing chain. 3.a., The serpentine belt in a BMW N55 engine is a single, continuous belt that is routed around various pulleys and accessories in a specific pattern. The belt is typically made of a durable rubber material reinforced with synthetic fibers to provide strength and flexibility., In today's video, I'll be showing you how to remove and replace your BMW's Serpentine Belt, while explaining the importance of replacing this part preventive..., Nov 3, 2021 · 2013 X5 E70 N55 Xdrive 35i Belt diagram. I’m posting this in hopes it is more readily available to anyone needing this particular engine belt diagram. The interwebz are full of every other variation, except this one which was hard to find. While this particular photo is from a 2014 engine, the belt orientation for the 7 pulleys is the exact same. , N55 swallowed serpentine belt. As the title states my n55 shredded the serpentine belt and sucked it in through the front main seal. What is the likely hood the engine is toast? Didn’t hear any weird noises by the time I shut it off., This specially designed tool allows the technician to access most T-60 Torx bolt belt tensioners on BMW N54 and N55 engines found in many models from 2007 to 2013. The tensioner is in a confined area that a standard T60 socket has a hard time accessing. This unique wrench design allows the technician to loosen the spri, 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 ..., Availability: In Stock. $26.99. Add to Cart. Free Shipping. on orders $49 and up. BMW N54 Accessory Belt Kit. Everything you need to service your belt drive system including all high-quality, German-made components. For vehicles with N54 engines., This Part Fits on the following N55 Engine Equipped Vehicle This an OEM, High Quality Serpentine Belt, Tensioner an pulleys Kit. 1pc OEM Serpentine Belt. 1pc OEM Automatic Belt Tensioner Assembly. BMW N55 Engine 135,235M,335,435,535,X3,X5 Serpentine Belt,Tensioner,Pulleys Kit | eBay, Apr 1, 2023 ... Super easy only weird tool you need is a T60 torx bit for the tensioner my buddys channel https://www.youtube.com/@Moto-919 2013 BMW X5 x35i ..., This specially designed tool allows the technician to access most T-60 Torx ® belt tensioners on BMW N54 and N55 engines found in many models from 2007 to 2013. The tensioner is in a confined area that a standard T60 socket has a hard time accessing. This unique wrench design allows the technician to loosen the spring pressure with minimal ..., In Stock. $148.99. Free Shipping. Performance Accessory Belt Kit - Kevlar Reinforced. Utilizes high quality components and our performance Kevlar reinforced belt Earn 5% …, A must have for belt service on N54/N55 engines. Earn 5% back in ECS Rewards on orders placed 4/15-4/29. ... power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs. …, BMW F10 F11 SERPENTINE BELT REPLACEMENT REMOVAL INSTALLATION 520i 523i 528i 530i 535i 518d 520d 525dIn this video we will explain how to replace the serpenti..., BOOTMOD3 S55 - BMW F80 F82 F87 M3 / M4 / M2 Competition Tune. $595.00. NOTE: Due to a national shortage on OEM BMW products, some products may have a 60+ day wait time. Please do not order if there is an immediate need for this product. , Replace an AC clutch by removing the serpentine belt and the air conditioner belt, unplugging the electrical harness from the compressor, removing the clutch, changing the pulley, ..., nonford. 55 posts · Joined 2013. #3 · Mar 28, 2017. Slide the fan out and that will give you the room needed. Not that difficult. Study the belt and even draw it out for ease of installation. The fan has like a butterfly tab on the side that needs to unseat the locking of it in place., Shop Amazon for URLWALL Crank Seal Guard Plate for BMW 335i 528i 135i S55 N54 N55 N52 Engines, Front Crankshaft Seal Engine Serpentine Belt Guards Protection Guards Plate Replacement (Red) and find …, Dec 29, 2020 · Use a 16mm socket and a torque wrench to tighten the idler pulley bolt to 40Nm. After that, use the E14 socket to torque the tensioner's bolt to 25Nm. Then, because the tensioner's bolt is aluminum, tighten the bolt another 90°. Before throwing the belt on, reinstall the caps to the idler pulley.