BMW Engine Parts

Blue Thermostat Caps (pair)

T#:54139632

Part#: BMS-TCP-BLU

Ships in 1 Business Day

$ 29.00 USD

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$ 29.00 USD

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Blue B58 BMW Coil Upgrade Adapter Kit - N55

T#:49857415

Part#: BMSN55CUAK

Back Ordered

$ 199.00 USD

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$ 199.00 USD

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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. Why Upgrade: While the N55 is a reliable platform, factory coils can struggle under high boost, heat, and load. B58 coils deliver stronger, more consistent spark, and this adapter kit ensures a clean, OEM-quality integration. Features & Benefits: Direct-fit adapter harness & mounts for straightforward B58 coil installation Plug-and-play design — no cutting, splicing, or permanent modifications Secure coil seating & alignment for consistent performance and reliability Improved ignition stability under high-load or tuned conditions, helping reduce misfires Applications: Stage 1–3 N55 builds, turbo upgrades, ethanol blends, track use, and aggressive daily driving Drivers looking to eliminate heat- and boost-related ignition issues Anyone seeking an OEM+ quality coil upgrade without a messy DIY install Result: A clean, professional installation that modernizes your ignition system and delivers reliable spark performance under all conditions. If you provide the kit’s brand/part number and whether your valve cover is stock or aftermarket, I can refine this description for precise fitment and application.

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Red B58 BMW Coil Upgrade Adapter Kit - N55

T#:57086690

Part#: BMSN55CUAK-R

Ships on Sep 9, 2026

$ 199.00 USD

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$ 199.00 USD

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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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MINI Cooper Oil Filter Kit W/ O-Ring & Crush Washer

T#:50934286

Part#: 11427622446KT9KT

In Stock

$ 9.32

This product was last offered at the strikethrough price on
03-26-2026

$ 8.30 USD

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$ 8.30 USD

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Replacing your filter with a high quality unit ensures harmful contaminants are trapped for good, keeping your engine running clean

TIMING CHAIN WITH TENSION RAIL

T#:57231560

Part#: 11318658027

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$ 85.67 USD

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$ 85.67 USD

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Upper Engine Mount

T#:51320854

Part#: 22116778610

In Stock

Sale - Save 15% $ 75.99

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

$ 64.59 USD

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$ 75.99

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

$ 64.59 USD

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Oil Level Indicator with hardware

T#:52551471

Part#: 12617607910KT1

In Stock

Sale - Save 15% $ 159.99

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

$ 135.99 USD

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$ 159.99

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

$ 135.99 USD

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

Aluminum Valve Cover - BMW N55 3.0L

T#:56110315

Part#: 11127570292MKT

In Stock

$ 283.99 USD

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$ 283.99 USD

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With Cap!

Oil Cap

T#:56110314

Part#: 11127560482

In Stock

$ 9.99 USD

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$ 9.99 USD

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Hydraulic Alternator Belt Tensioner Assembly

T#:55030822

Part#: 11287838797

In Stock

$ 59.99 USD

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$ 59.99 USD

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Valve Cover - Aluminum

T#:56110317

Part#: 11127588412MKT

In Stock

Sale - Save 9% $ 346.99

This product was last offered at the strikethrough price on
08-17-2026

$ 315.20 USD

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$ 346.99

This product was last offered at the strikethrough price on
08-17-2026

$ 315.20 USD

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Bremmen High Pressure Fuel Pump Sprocket - BMW N57 3.0L

T#:50381429

Part#: 13527800025

In Stock

Sale - Save 21% $ 75.99

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

$ 60.38 USD

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$ 75.99

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$ 60.38 USD

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The N57 High-Pressure Fuel Pump Sprocket is a crucial component in BMW vehicles equipped with the N57 diesel engine. It drives the high-pressure fuel pump, ensuring precise fuel delivery for efficient combustion and optimal engine performance. This sprocket is also important in linking the timing chain system from the crankshaft to the fuel pump and then to the camshafts.

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Fuel Pump - High Pressure

T#:57267808

Part#: 13517636881

In Stock

$ 170.54 USD

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$ 170.54 USD

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Accessory Belt Tensioner Assembly

T#:54995068

Part#: 11287582946

In Stock

$ 52.99 USD

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$ 52.99 USD

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Double roller tensioner

Aluminum Valve Cover Replacement Kit

T#:56110323

Part#: 111278463591ALKT

Ships in 1 Business Day

$ 367.19 USD

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$ 367.19 USD

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With oil cap!

Intake Gasket Set

T#:54995058

Part#: 11617547242

In Stock

$ 19.99 USD

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$ 19.99 USD

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Blue B58 BMW Coil Upgrade Adapter Kit - N54

T#:49857414

Part#: BMSN54CUAK

Ships on Sep 9, 2026

$ 199.00 USD

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$ 199.00 USD

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Modernize your N54 ignition system with this N54 to B58 Coil Upgrade Adapter Kit, engineered to deliver an OEM-quality conversion for improved spark energy and consistency. Designed to pair B58-style pencil coils with the factory N54 engine harness, this kit provides a clean, reversible installation—no cutting, splicing, or guesswork required. Key Features & Benefits: Direct-fit adapter solution to run B58 coils on N54 applications Plug-and-play wiring integrates with the factory N54 harness for a factory-like install Secure coil positioning helps ensure proper seating and reliable long-term fitment Improved ignition stability under higher cylinder pressures—ideal for tuned, higher-boost setups Clean, serviceable conversion that maintains a tidy engine bay and simplifies future maintenance Ideal For: Stock to heavily modified N54 builds Vehicles running elevated boost, ethanol blends, or upgraded turbo systems Owners looking to reduce ignition-related misfires and improve combustion consistency under load If you share the brand/part number of the kit and which coils you’re pairing it with, I can tailor the write-up to match the exact components and fitment notes.

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Turbo & Intake Heat Shield - Gen1 B58

T#:49857410

Part#: BMSB58THS

In Stock

$ 119.00 USD

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$ 119.00 USD

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Keep heat where it belongs and boost where it counts with a B58 Turbo & Intake Heat Shield for BMW and Toyota Supra—an OE-plus style upgrade that helps your setup stay cooler, more consistent, and happier when you’re leaning on it. BMW’s factory heat management is fine at stock-ish levels, but once you start turning the wick up, the turbo becomes a rolling space heater. That radiant heat soaks the nearby intake tract, nudging IATs up and making performance less repeatable pull after pull. This shield steps in as a dedicated barrier between the turbo and intake components, helping reduce heat soak so you can keep intake air cooler and denser when you’re driving it like you mean it. Built with a clean, factory-inspired mindset, it’s precision-formed to wrap neatly around the B58 turbo and intake area, and it mounts using factory locations for a tidy, OEM-level install. No cutting, no permanent changes, and fully reversible—just a straightforward bolt-on that looks right at home in the engine bay. Made from durable, heat-resistant materials, it’s designed to handle the heat long-term without turning into a crispy science project. Why it matters Cuts down radiant heat from the turbocharger into the intake area Helps reduce intake air temperature creep Improves consistency during repeated pulls and hard driving Adds protection for surrounding components exposed to turbo heat Features & highlights Designed for BMW B58 and Toyota Supra applications Precision-formed for OEM-level fitment Heat-resistant construction for long-term durability Bolt-on install using factory mounting points Clean, OE-plus under-hood appearance

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Turbo & Intake Heat Shield - Gen2 B58

T#:49857413

Part#: BMSG2B58THS

Ships on Sep 9, 2026

$ 119.00 USD

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$ 119.00 USD

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Keep heat where it belongs and boost where it counts with a B58 Turbo & Intake Heat Shield for BMW and Toyota Supra—an OE-plus style upgrade that helps your setup stay cooler, more consistent, and happier when you’re leaning on it. BMW’s factory heat management is fine at stock-ish levels, but once you start turning the wick up, the turbo becomes a rolling space heater. That radiant heat soaks the nearby intake tract, nudging IATs up and making performance less repeatable pull after pull. This shield steps in as a dedicated barrier between the turbo and intake components, helping reduce heat soak so you can keep intake air cooler and denser when you’re driving it like you mean it. Built with a clean, factory-inspired mindset, it’s precision-formed to wrap neatly around the B58 turbo and intake area, and it mounts using factory locations for a tidy, OEM-level install. No cutting, no permanent changes, and fully reversible—just a straightforward bolt-on that looks right at home in the engine bay. Made from durable, heat-resistant materials, it’s designed to handle the heat long-term without turning into a crispy science project. Why it matters Cuts down radiant heat from the turbocharger into the intake area Helps reduce intake air temperature creep Improves consistency during repeated pulls and hard driving Adds protection for surrounding components exposed to turbo heat Features & highlights Designed for BMW B58 and Toyota Supra applications Precision-formed for OEM-level fitment Heat-resistant construction for long-term durability Bolt-on install using factory mounting points Clean, OE-plus under-hood appearance

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Engine Mount - Left

T#:56110324

Part#: 22116856403

Ships in 2 Business Days

$ 116.22 USD

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$ 116.22 USD

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Rod Bearing Set - Standard (48.00 Mm)

T#:55821723

Part#: 11241715701

In Stock

$ 153.99 USD

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$ 153.99 USD

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Main Bearing Set (Standard)

T#:55857747

Part#: 11211725917

Ships in 2 Business Days

$ 90.99

This product was last offered at the strikethrough price on
07-15-2026

$ 85.99 USD

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$ 85.99 USD

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High Performance Engine Power Kit For Gen 1 MINI S

T#:50276469

Part#: 53-3M7702-10

Ships in 2 Business Days

$ 440.99 USD

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$ 440.99 USD

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SuperTech Dual Valve Spring Upgrade Kit w/ Steel Retainers - 67lbs - ...

T#:51426477

Part#: SPRKH100DRBMST

Back Ordered

$ 833.99 USD

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$ 833.99 USD

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Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional performance and durability even at high RPMs. CAD engineering ensures that the wire stress levels remain within defined limits for long-lasting durability, even under extreme racing conditions. Advanced computer software allows Supertech to meticulously control harmonics, ensuring optimal performance. Manufactured with high-quality military-certified Steel, the retainers are CNC machined to provide a precise fit, guaranteeing longevity and reliability.

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Titanium Retainers - Set Of 8 - BMW B48 - Intake Side

T#:54388410

Part#: RET-BMB48-TI-8

Ships in 8 Business Days

$ 145.99 USD

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$ 145.99 USD

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By minimizing moving weight, these retainers help prevent valve float at extended RPM ranges, ensuring your engine maintains precise timing and peak power delivery under the most demanding track conditions.

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Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)

T#:54388512

Part#: MCIVN-1008T-8

Ships in 8 Business Days

$ 225.99 USD

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$ 225.99 USD

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Supertech Performance brings decades of racing experience to their valvetrain components. By utilizing state-of-the-art manufacturing processes and rigorous testing, these valves provide the perfect balance of lightweight design, high-flow geometry, and bulletproof durability needed for forced induction, nitrous, or high-revving naturally aspirated builds.

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Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L

T#:57086686

Part#: CRBMB58-I148.3-6

Ships in 8 Business Days

$ 1,864.99 USD

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$ 1,864.99 USD

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Supertech connecting rods for BMW B58B30 applications are designed for racing reliability and high-RPM use, rated for up to 1600 hp. Forged and machined from premium high-strength alloy with ARP fasteners included.

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Starter Motor

T#:55030826

Part#: 12412354693

Ships on Sep 9, 2026

$ 129.99 USD

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$ 129.99 USD

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Camshaft Speed Sensor

T#:52832891

Part#: 12141743072

In Stock

Sale - Save 20% $ 39.99

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

$ 31.99 USD

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$ 39.99

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

$ 31.99 USD

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5mm Single groove valve lock conversion (SET OF 16)

T#:51356057

Part#: KPR-5.0-7S-16

Special Order: No Guaranteed ETA

$ 60.99 USD

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$ 60.99 USD

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CCV Hose

T#:51391238

Part#: 11127850244

In Stock

Sale - Save 20% $ 99.99

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

$ 79.99 USD

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$ 99.99

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

$ 79.99 USD

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Oxygen Sensor Kit - F30/31 N47, E70 M57

T#:55569520

Part#: 13628589844KT2

Ships on Oct 15, 2026

Sale - Save 10% $ 770.99

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

$ 693.88 USD

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$ 770.99

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

$ 693.88 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.

Oil Separator Vent Hose

T#:53326231

Part#: 11617522933

In Stock

Sale - Save 20% $ 22.99

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

$ 18.39 USD

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$ 22.99

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

$ 18.39 USD

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Vacuum Pipe

T#:52586629

Part#: 11157603816

In Stock

Sale - Save 20% $ 29.99

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

$ 23.99 USD

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$ 29.99

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

$ 23.99 USD

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Alternator Pulley

T#:52164889

Part#: 12317560483

In Stock

Sale - Save 15% $ 44.99

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

$ 38.24 USD

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$ 44.99

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$ 38.24 USD

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Is your BMW making a chirping or grinding noise at idle? The culprit is frequently a failing alternator decoupler pulley. Unlike a traditional solid pulley, this Overrunning Alternator Pulley (OAP) allows the alternator rotor to "freewheel" when engine speeds drop suddenly. This specialized function protects your BMW drive belt and belt tensioner from excessive snap-back, vibration, and "belt slap."

Prevent Catastrophic Engine Failure

Over time, the internal clutch mechanism can seize or slip, leading to accelerated wear or total serpentine belt failure. On BMW engines, a snapped belt can be ingested through the front main seal, causing catastrophic engine damage. Replacing this pulley is a cost-effective preventative maintenance step that restores smoothness to your accessory drive without the high cost of a complete alternator replacement.

Features & Benefits:

Lowers the load on the drive belt, tensioner, and AC compressor.
Stops "belt slap" and rhythmic chirping noises during deceleration and idle.
Direct Replacement with high-quality construction ensures perfect fitment and long-term durability.
Essential Maintenance for N52 engines

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