BMW Engine Parts

Turner Motorsport Billet Aluminum Oil Filter Housing Drain-Back Valve...

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T#:56110301

Part#: 060233LA01

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$ 37.49 USD

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If your M50, M52, or M54 engine takes a few seconds to build oil pressure after sitting, there's a good chance that your factory oil filter housing drain back valve has failed. Over time, the factory plastic check valve degrades, allowing oil to drain completely out of the housing and back into the oil pan while sitting. Every cold start essentially becomes a dry start, resulting in a loud ticking noise and causing unnecessary wear on your engine's internals.

Unfortunately, BMW does not offer this check valve as a standalone part, forcing you to purchase a costly, complete oil filter housing assembly just to fix one failed plastic component. Thankfully, our team of BMW enthusiasts took note of this common failure mode and designed a permanent, cost-effective fix.

Our Billet Oil Filter Housing Drain-Back Valve is designed as a direct-fit upgrade for your factory oil filter housing. CNC-machined from high-strength billet aluminum, this upgraded valve restores positive sealing to keep the oil filter housing fully primed. Maintaining this hydraulic prime ensures rapid oil pressure stabilization upon startup, directly mitigating dry-start bearing wear and top-end lifter starvation without requiring the purchase of a complete OEM housing assembly.

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Turner Motorsport M57 Clutched Alternator Pulley Conversion Kit - E70...

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T#:55497484

Part#: 060119LA02KT

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The Turner Motorsport M57 Clutched Alternator Pulley Conversion Kit for BMW E70 X5 35d M57 engines converts rigid factory pulleys to an overrunning clutched setup. Rigid stock pulleys transmit crankshaft micro-accelerations, driving belt chatter and harmonic balancer failure. Combining an OE N52 clutched pulley with a zinc-coated alloy steel spacer isolates rotational inertia to protect accessory drive components.

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Turner Motorsport - VANOS Exhaust Hub Upgrade - E46 M3, Z3 M, Z4 M (S...

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T#:53538140

Part#: 013042LA01

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05-06-2026

$ 134.99 USD

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The factory VANOS exhaust hub on the S54 engine is known to develop excessive play where the drive tabs interface with the oil pump disk. Over time, this imprecise fitment causes a back-and-forth rattling motion that can result in the tabs shearing off inside the engine, risking catastrophic damage or complete engine failure. Unlike other aftermarket solutions that require full VANOS disassembly, retiming, or replacement of the oil pump disk, the Turner Motorsport S54 VANOS Hub Upgrade offers a smarter approach. Our bolt-on fix eliminates the common failure point without opening the VANOS unit or disturbing engine timing.

Our solution involves removing the worn tabs from your stock exhaust hub and installing our precision-fit replacement, which is precision-machined from 4340 steel and hardened to meet OEM specifications. Designed using 3D scanning and CAD modeling, the Turner Motorsport VANOS Exhaust Hub Upgrade provides a tight, interference-free fit into the oil pump disc, completely resolving the issue without unnecessary labor.

Features & Benefits:

Direct bolt-on solution for S54 VANOS oil pump drive tab failure, preventing potentially catastrophic damage to engine internals Precision-machined from high-strength 4340 steel and heat-treated to match OEM specifications Designed using 3D scanning and CAD modeling to ensure precise fitment within the OEM oil pump disc Engineered to eliminate the play that exists between the exhaust hub and oil pump disc from factory Backed by extensive real-world testing and our lifetime replacement program!

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Turner Motorsport Clutched Alternator Pulley Conversion Kit - E90 335...

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T#:55497480

Part#: 060119LA01KT

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If you own an M57-equipped BMW, you already know this twin-turbo diesel powerplant is an absolute torque monster. What you might also know is that all that low-end grunt and high-compression diesel vibration wreaks absolute havoc on your accessory drive system.

From the factory, both the E90 335d and E70 X5 35d utilize a rigid alternator pulley. With each cylinder's fire, the crankshaft experiences a violent micro-acceleration. Because the alternator has a heavy internal rotor spinning at high speeds, it wants to keep spinning at a constant rate. When the engine suddenly slows down (even minutely between firing cycles), the alternator fights the belt. This constant tug-of-war results in extreme stress on your engine's belt-driven components. At best, it’s an annoying, unrefined chirp at idle; at worst, it’s a ticking time bomb for your expensive harmonic balancer.

To solve this issue, many enthusiasts choose to run a clutched alternator pulley (also called an overrunning alternator pulley). A clutched pulley allows the alternator to "freewheel" or coast when the engine slows down, completely isolating its rotational inertia from the belt drive to prevent component wear. While the N52's clutched pulley (12317560483) is a straight bolt-on, the offset is incorrect for the E90 335d's accessory drive. Thankfully, our engineers designed this zinc-coated spacer to provide the precise amount of spacing needed to perfectly align the new pulley with existing belt drive components.

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Turner Motorsport Ignition Coil Heat Shield - M52/S52

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T#:58745788

Part#: 059029LA02KT

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$ 179.99 USD

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Extreme engine bay heat is the enemy of ignition reliability on the track. Engineered specifically for OBD2 BMW M52 and S52 platforms, our Stainless Steel Coilpack Heat Shield delivers track-tested thermal protection where your engine needs it most. Designed to cover the entire length of the valve cover, this shield acts as a thermal barrier for cooked coilpacks and valve covers. Upgrade the look of your stock engine bay or a non-negotiable upgrade for forced-induction setups with top-mount turbo downpipes routed across the top of the engine.

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Turner Motorsport B-Series Ignition Coil Conversion Kit - MINI N14 R5...

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T#:56507850

Part#: 060205LA01KT

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$ 359.99 USD

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The MINI N14 engine uses a traditional pencil coil design that operates using conservative dwell times and relatively low discharge energy. On stock vehicles, this system is sufficient. However, as cylinder pressures increase via higher boost, upgraded turbos, or ethanol-blended fuels, the strength required to bridge the spark gap increases substantially.

Under these conditions, standard N14 coils reach their electrical limits, resulting in high-RPM spark blowout, misfires, or reduced flame front propagation. To solve this issue, our team engineered the B-Series Coil Conversion Kit, which adapts modern BMW B48/B58 ignition technology to the N14 using proprietary brackets, standoffs, and wiring harness adapters. Our performance B48 ignition coils feature a significantly lower primary resistance and an optimized secondary winding structure, allowing them to store and release up to 2.3x more spark energy than the factory N14 ignition coil.

This clean, coil-on-plug upgrade drops directly into your valve cover without bulky external boxes or messy wiring. Whether you need an ignition service or are building a tuned N14, upgrade to B-Series ignition coils and experience improved spark energy and long-lasting performance.

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Tuner Motorsport Ignition Coil Heat Shield - M50/S50

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T#:58745785

Part#: 059626LA02KT

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$ 179.99 USD

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Built on decades of BMW racing heritage, the Turner Motorsport OBD1 Coilpack Heat Shield delivers uncompromised thermal management for M50 and S50 engines. Factory plastic engine covers degrade and fail under track conditions and extreme bay temperatures, especially in turbocharged setups where hot top-mount downpipes pass directly overhead. Engineered in-house as a rugged, direct replacement, this full-coverage shield insulates your ignition harness and coilpacks against radiant heat damage while giving your engine bay a track-proven look.

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Turner Motorsport Polished Valve Cover Cap Nut (11121738607) - Priced...

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T#:54852009

Part#: 059043LA04KT

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Over time, the factory valve cover hardware on M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines is subjected to continuous heat cycling, oil vapor, and moisture, causing original cap nuts to oxidize, corrode, or thread-strip during routine maintenance. Our Polished Valve Cover Cap Nut serves as a direct replacement designed to address these common failure points while improving upon overall engine bay aesthetics.

Because maintaining precise gasket compression is critical to preventing oil leaks, these cap nuts and washers are machined directly to OE-style dimensions. This exact fitment allows for direct compatibility with original and replacement valve cover studs (see T#55317643) and ensures the hardware can be torqued precisely to OEM specifications without guesswork. Manufactured to grade 8.8 structural strength standards, the hardware maintains the necessary clamp force required under normal and high-performance engine operating conditions.

To resist corrosion, both the cap nut and washer undergo an electroless nickel plating process during production. Unlike standard zinc coatings that dull or rust over time, electroless nickel provides a uniform layer of corrosion resistance that withstands long-term chemical exposure and extreme temperature swings while giving the hardware a polished, high-end appearance. Each cap nut assembly includes an OE rubber washer seal, ensuring a tight, leak-free barrier that prevents oil from escaping through the mounting studs.

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Turner Motorsport Billet Oil Cooler Thermostat - F8X S55 (With -10 AN...

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T#:59331100

Part#: 059170LA01

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$ 429.99 USD

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Heat is the enemy of lap times and engine longevity. BMW calibrated the factory oil thermostat on the N54, N55, and S55 platforms for rapid warm-up and emissions targets, running oil temperatures uncomfortably hot under prolonged load. When you’re pushing full throttle down the straight or stacking laps in midsummer, you need thermal headroom long before factory thresholds are reached.

The Turner Motorsport Oil Cooler Thermostat Housing drops your thermostat threshold to 70°C, circulating oil through the cooler early to build a buffer against heat saturation. Engineered for hard-driven road course and track day cars, the housing is protected with a Type III black hardcoat anodized finish for maximum resilience against thermal cycling and harsh track environments. Build flexibility is built right in: retain your OEM hard lines for a simple, direct-fit cooling upgrade, or adapt to full braided lines using our Turner AN Adapter for dedicated competition oiling systems.

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Turner Motorsport Billet Oil Cooler Thermostat - F8X S55 (Stock Oil C...

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T#:59331099

Part#: 059170LA01

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$ 399.99 USD

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Keep your S55 running cooler, longer. The factory oil cooler thermostat on the S55 waits until the oil reaches roughly 110°C (230°F) before sending it to the cooler. By then, the cooling system is already playing catch-up, especially on track days, spirited canyon runs, hot summer traffic, or tuned cars making well beyond stock power.

Our S55 Billet Oil Cooler Thermostat design addresses this issue at the source. Our proprietary low-temperature 70°C (158°F) thermostat routes oil through the cooler much earlier, so temperatures stay controlled before they climb instead of being pulled back down after the fact. The result is more consistent oil temperatures, more stable performance lap after lap, and less heat stress on bearings, turbochargers, and other critical components.

Unlike thermostat delete or “always open” bypass solutions, our kit uses a real working thermostat. Your engine still warms up properly on cold starts, which protects internal friction surfaces and keeps the oil at the right temperature for daily driving in any climate. Housing the thermostat is a CNC-machined billet aluminum cover, which is much stronger than the factory piece and looks great under the hood. Our thermostat solution is compatible with both factory and -10 AN oil cooler lines when used in conjunction with an AN Line Adapter (see T#59331100).

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Turner Motorsport Valve Cover Stud (11121718856) - Priced Each ...

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T#:55317643

Part#: 059043LA03

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$ 3.99 USD

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This M7/6x29.5 threaded stud is used for securing the valve cover to the cylinder head on all M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines. Despite this crucial role in engine sealing and construction, BMW decided to discontinue this vital factory part in 2023. Recognizing the gap left by the discontinued factory hardware, our team of BMW enthusiasts reverse-engineered the original part—improving its materials and finish to bring a higher-quality, long-lasting solution to the market. Manufactured from high-strength Grade 8.8 steel and finished with a protective zinc coating, this upgraded stud delivers exceptional durability, reliable torque retention, and exceptional corrosion resistance under the hood.

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Turner Motorsport Clutched Alternator Pulley Conversion Spacer - E70 ...

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T#:55497479

Part#: 060119LA02

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$ 7.49 USD

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If you own an M57-equipped BMW, you already know this twin-turbo diesel powerplant is an absolute torque monster. What you might also know is that all that low-end grunt and high-compression diesel vibration wreaks absolute havoc on your accessory drive system.

From the factory, both the E90 335d and E70 X5 35d utilize a rigid alternator pulley. With each cylinder's fire, the crankshaft experiences a violent micro-acceleration. Because the alternator has a heavy internal rotor spinning at high speeds, it wants to keep spinning at a constant rate. When the engine suddenly slows down (even minutely between firing cycles), the alternator fights the belt. This constant tug-of-war results in extreme stress on your engine's belt-driven components. At best, it’s an annoying, unrefined chirp at idle; at worst, it’s a ticking time bomb for your expensive harmonic balancer.

To solve this issue, many enthusiasts choose to run a clutched alternator pulley (also called an overrunning alternator pulley). A clutched pulley allows the alternator to "freewheel" or coast when the engine slows down, completely isolating its rotational inertia from the belt drive to prevent component wear. While the N52's clutched pulley (12317560483) is a straight bolt-on, the offset is incorrect for the E70 X5 35d's accessory drive. Thankfully, our engineers designed this zinc-coated spacer to provide the precise amount of spacing needed to perfectly align the new pulley with existing belt drive components.

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Turner Motorsport Clutched Alternator Pulley Conversion Spacer - E90 ...

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T#:55497466

Part#: 060119LA01

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$ 7.49 USD

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If you own an M57-equipped BMW, you already know this twin-turbo diesel powerplant is an absolute torque monster. What you might also know is that all that low-end grunt and high-compression diesel vibration wreaks absolute havoc on your accessory drive system.

From the factory, both the E90 335d and E70 X5 35d utilize a rigid alternator pulley. With each cylinder's fire, the crankshaft experiences a violent micro-acceleration. Because the alternator has a heavy internal rotor spinning at high speeds, it wants to keep spinning at a constant rate. When the engine suddenly slows down (even minutely between firing cycles), the alternator fights the belt. This constant tug-of-war results in extreme stress on your engine's belt-driven components. At best, it’s an annoying, unrefined chirp at idle; at worst, it’s a ticking time bomb for your expensive harmonic balancer.

To solve this issue, many enthusiasts choose to run a clutched alternator pulley (also called an overrunning alternator pulley). A clutched pulley allows the alternator to "freewheel" or coast when the engine slows down, completely isolating its rotational inertia from the belt drive to prevent component wear. While the N52's clutched pulley (12317560483) is a straight bolt-on, the offset is incorrect for the E90 335d's accessory drive. Thankfully, our engineers designed this zinc-coated spacer to provide the precise amount of spacing needed to perfectly align the new pulley with existing belt drive components.

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S55 Silicone Crankcase Vent Hose (11127850244)

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T#:57797979

Part#: 018465LA02

Ships on Mar 16, 2027

$ 99.99 USD

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Aluminum Valve Cover - BMW N55 3.0L

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T#:56110315

Part#: 11127570292MKT

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08-24-2026

$ 295.99 USD

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With Cap!

Fuel Pump - High Pressure

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T#:57267808

Part#: 13517636881

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Engine Mount - Left

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T#:56110324

Part#: 22116856403

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Sale - Save 14% $ 119.23

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10-19-2026

$ 102.44 USD

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Crankshaft Pulley Bolt & Assembly Hook Kit

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T#:55317668

Part#: 11M8X20KT

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This Genuine BMW hardware kit includes eight factory M8x20 crankshaft pulley bolts and the essential oil pump chain guide assembly hook.

Genuine BMW M52 S52 Intake Manifold & Sensor Seal Refresh Kit - 11611...

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T#:55317699

Part#: 116117IMKT

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Turner Motorsport offers this direct-fit Intake Manifold and Air Temp Sensor Seal Kit to eliminate modern vacuum leaks before they spoil your driving experience.

Valve Cover - Aluminum

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T#:56110317

Part#: 11127588412MKT

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Burgaflex N52 Engine Breather Hose - 11157522931 - E9x, E60, E61 ...

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T#:57725177

Part#: 11157522931

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Maintain peak engine health and keep your crankcase ventilation system operating seamlessly with this high-grade engine breather hose from Burgaflex.

Aluminum Valve Cover Replacement Kit

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T#:56110323

Part#: 111278463591ALKT

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With oil cap!

Primer Loctite 770

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T#:56724745

Part#: 83195B683D4

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3% off MSRP $ 35.99

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$ 35.99

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Proper surface preparation is vital when securing engine seals, oil pan gaskets, or plastic components on your BMW. Genuine BMW sourced Loctite 770 Surface Primer, designed to treat low-energy plastic and rubber elastomeric surfaces before applying bonding agents. Using this factory recommended primer ensures engine seals stay firmly positioned during assembly and holds up under rigorous engine bay heat and vibrations.

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Blue Thermostat Caps (pair)

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T#:54139632

Part#: BMS-TCP-BLU

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Red B58 BMW Coil Upgrade Adapter Kit - N55

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T#:57086690

Part#: BMSN55CUAK-R

Ships on Nov 13, 2026

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Upgrade your N55 ignition system with the N55 → B58 Coil Upgrade Adapter Kit, engineered for a seamless, plug-and-play conversion. This kit lets you run modern B58-style pencil coils on your N55 without modifying the factory harness or compromising valve cover integrity.

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Genuine BMW Low Fuel Pressure Sensor

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T#:59550850

Part#: 13539899007

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13% off MSRP $ 102.99

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$ 89.99 USD

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$ 102.99

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This Genuine BMW low pressure fuel sensor is commonly a cause of a "Increased Emissions" warning on the idrive and for check engine (SES) lights on BMW's with the N54 6 cylinder turbo engine or the S65 V8 engine in the M3. It will also fit a limited number of cars with the N55 engine.

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Turbocharger Heat Shield - F9x

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T#:56471616

Part#: 11655B4A549

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6% off MSRP $ 183.99

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$ 172.99 USD

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6% off MSRP

$ 183.99

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$ 172.99 USD

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Acoustic Cover - High-Pressure Pump

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T#:53608864

Part#: 13515B940B9

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7% off MSRP $ 33.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.99 USD

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7% off MSRP

$ 33.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.99 USD

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Hydraulic Alternator Belt Tensioner Assembly

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55030822

Part#: 11287838797

Special Order: No Guaranteed ETA

Sale - Save 10% $ 59.99

This product was last offered at the strikethrough price on
10-08-2026

$ 53.99 USD

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$ 53.99 USD

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Vacuum Pipe

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T#:52586629

Part#: 11157603816

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Sale - Save 7% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 27.89 USD

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$ 29.99

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$ 27.89 USD

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Valve Cover Gasket - Set

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T#:54068660

Part#: 11127587804

Special Order: No Guaranteed ETA

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This product was last offered at the strikethrough price on
09-16-2026

$ 22.94 USD

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$ 26.99

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$ 22.94 USD

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Shifter Rebuild Hardware Kit

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T#:55209882

Part#: 07119905KT

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$ 4.80 USD

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$ 4.80 USD

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TIMING CHAIN WITH TENSION RAIL

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T#:57231560

Part#: 11318658027

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Sale - Save 15% $ 109.99

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09-16-2026

$ 93.49 USD

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Oil Level Indicator with hardware

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T#:52551471

Part#: 12617607910KT1

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05-03-2026

$ 130.90 USD

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$ 130.90 USD

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Reads oil level in oil pan, includes new hardware and seal

Burgaflex N63 Crankcase Ventilation Connecting Pipe (CCV) - Cylinders...

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T#:57725182

Part#: 11157646086

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$ 76.99 USD

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$ 76.99 USD

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Keep your performance engine running cleanly and efficiently with the Burgaflex Crankcase Ventilation Connecting Pipe for Cylinders 1-4.

N55 Aluminum Valve Cover Kit w/ Cap & Hardware - F22/23 F3X F87 N55 3...

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:59257688

Part#: 11127570292MCKT

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$ 311.06 USD

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$ 311.06 USD

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Tired of dealing with plastic valve covers that crack and split, causing frustrating oil leaks? This upgraded aluminum valve cover is the perfect solution! This kit includes all of the items needed to install the valve cover and the associated components and parts that attach to the valve cover.

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Genuine BMW Left Outer Engine Bay Partition Kit - 51757loebpKT - E70,...

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T#:55317666

Part#: 51757LOEBPKT

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$ 54.04 USD

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$ 54.04 USD

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Keep your chassis protected from track day debris and daily road grime with the Genuine BMW Outer Left Engine Bay Partition Kit.

Genuine BMW Water Pump & Thermostat Housing Gasket Kit - 1153175KT - ...

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T#:55209942

Part#: 1153175KT

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$ 14.29 USD

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$ 14.29 USD

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This Genuine BMW Coolant Pipe and Thermostat Sealing Kit features the exact factory-issued rubber O-rings needed to seal the smaller engine block water line and the main thermostat unit housing.

Genuine BMW Dipstick Tube Sealing Kit - 1143dtsKT - E46, E34, E39, E3...

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T#:55317660

Part#: 1143DTSKT

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$ 16.08 USD

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$ 16.08 USD

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Keep your BMW's engine bay dry and your crankcase pressure sealed properly with this Genuine BMW lower dipstick tube sealing kit.

Burgaflex N20 Turbocharger Oil Feed Line - 11428678840 - F3x, F22, F2...

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T#:57725195

Part#: 11428678840

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$ 53.99 USD

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$ 53.99 USD

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This turbocharger oil feed line from Burgaflex offers precise engineering and heavy-duty construction built to handle extreme thermal environment challenges.

Oil Cap

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T#:56110314

Part#: 11127560482

In Stock

Sale - Save 10% $ 9.99

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10-08-2026

$ 8.99 USD

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$ 9.99

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$ 8.99 USD

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Genuine BMW Throttle Body & Intake Gasket Kit - 1161tbipgKT - E39, E6...

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T#:55317667

Part#: 1161TBIPGKT

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$ 28.70 USD

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$ 28.70 USD

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This Throttle Body and Intake Profile Gasket Kit features a factory Genuine BMW profile gasket paired with a robust Victor Reinz throttle body housing gasket.

Burgaflex M52 S52 Vent Hose - Crankcase-Ventilation / Oil Separator -...

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T#:57725180

Part#: 11151740393

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$ 5.99 USD

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$ 5.99 USD

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Maintain your engine's operational integrity and keep vacuum leaks at bay with this essential replacement vent hose from Burgaflex.

Genuine BMW Hollow Bolt & Crush Washer Kit - 071199xKT - E21, E46, E9...

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T#:55245837

Part#: 071199XKT

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$ 23.79 USD

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$ 23.79 USD

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This Genuine BMW hollow banjo bolt and crush washer kit from Turner Motorsport delivers the uncompromised reliability your BMW demands.

Oxygen Sensor Kit - F30/31 N47, E70 M57

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T#:55569520

Part#: 13628589844KT2

Ships in 2 Business Days

Sale - Save 20% $ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 616.78 USD

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$ 770.99

This product was last offered at the strikethrough price on
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$ 616.78 USD

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Oxygen sensors are used by the vehicle computer to adjust the air/fuel ratio and test vehicle emissions. This kit includes both rear Sensors.

Intake Gasket - Priced Each

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T#:54995058

Part#: 11617547242

In Stock

Sale - Save 87% $ 19.99

This product was last offered at the strikethrough price on
09-16-2026

$ 2.69 USD

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Sale - Save 87%

$ 19.99

This product was last offered at the strikethrough price on
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$ 2.69 USD