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BMW 3-Series (E90 E92) Forum
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Serpentine belt
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12-11-2018, 08:36 AM | #1 |
Captain
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Serpentine belt
Hi
Can someone confirm the serpentine belt change mileage for an n53 engine please? Mine is on 60k miles at the moment and no signs of wear but I don't want the engine to lunch on it either. Thanks Mike |
12-11-2018, 03:13 PM | #2 |
Brigadier General
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Drives: E92 325i MSport Coupe
Join Date: Apr 2012
Location: UK South East
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Having seen the results of a shredded belt being sucked into the engine via the crankshaft pulley seal, I changed mine at 50K and will be doing so again soon, at 100K.
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E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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12-12-2018, 05:37 AM | #4 |
First Lieutenant
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It’s not really the belt that wears on it’s own. Leaking ofhg, loose power steering pump/pulley, or pulley hitting the subframe usually causes the belt to shred.
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12-12-2018, 11:35 AM | #5 |
Captain
104
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Mines an f10 so no power steering but perhaps worth chucking a new tensioner on?
Apologies if this is a common question btw I did search but didn't find anything. Only oil leak on my engine is at the back of the sump, small leak, misting not dripping. |
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